hgext/extdiff.py
author Martin von Zweigbergk <martinvonz@google.com>
Fri, 11 Feb 2022 22:39:53 -0800
changeset 48783 218154867575
parent 48118 5105a9975407
child 48875 6000f5b25c9b
permissions -rw-r--r--
filemerge: remove an unnecessary join with absolute path The `backup` path is now always absolute, so we don't need to join it with the working copy path. Differential Revision: https://phab.mercurial-scm.org/D12188
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# extdiff.py - external diff program support for mercurial
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#
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''command to allow external programs to compare revisions
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The extdiff Mercurial extension allows you to use external programs
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to compare revisions, or revision with working directory. The external
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diff programs are called with a configurable set of options and two
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non-option arguments: paths to directories containing snapshots of
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files to compare.
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If there is more than one file being compared and the "child" revision
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is the working directory, any modifications made in the external diff
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program will be copied back to the working directory from the temporary
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directory.
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The extdiff extension also allows you to configure new diff commands, so
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you do not need to type :hg:`extdiff -p kdiff3` always. ::
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  [extdiff]
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  # add new command that runs GNU diff(1) in 'context diff' mode
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  cdiff = gdiff -Nprc5
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  ## or the old way:
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  #cmd.cdiff = gdiff
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  #opts.cdiff = -Nprc5
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  # add new command called meld, runs meld (no need to name twice).  If
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  # the meld executable is not available, the meld tool in [merge-tools]
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  # will be used, if available
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  meld =
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  # add new command called vimdiff, runs gvimdiff with DirDiff plugin
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  # (see http://www.vim.org/scripts/script.php?script_id=102) Non
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  # English user, be sure to put "let g:DirDiffDynamicDiffText = 1" in
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  # your .vimrc
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  vimdiff = gvim -f "+next" \\
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            "+execute 'DirDiff' fnameescape(argv(0)) fnameescape(argv(1))"
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Tool arguments can include variables that are expanded at runtime::
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  $parent1, $plabel1 - filename, descriptive label of first parent
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  $child,   $clabel  - filename, descriptive label of child revision
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  $parent2, $plabel2 - filename, descriptive label of second parent
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  $root              - repository root
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  $parent is an alias for $parent1.
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The extdiff extension will look in your [diff-tools] and [merge-tools]
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sections for diff tool arguments, when none are specified in [extdiff].
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::
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  [extdiff]
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  kdiff3 =
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  [diff-tools]
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  kdiff3.diffargs=--L1 '$plabel1' --L2 '$clabel' $parent $child
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If a program has a graphical interface, it might be interesting to tell
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Mercurial about it. It will prevent the program from being mistakenly
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used in a terminal-only environment (such as an SSH terminal session),
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and will make :hg:`extdiff --per-file` open multiple file diffs at once
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instead of one by one (if you still want to open file diffs one by one,
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you can use the --confirm option).
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Declaring that a tool has a graphical interface can be done with the
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``gui`` flag next to where ``diffargs`` are specified:
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::
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  [diff-tools]
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  kdiff3.diffargs=--L1 '$plabel1' --L2 '$clabel' $parent $child
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  kdiff3.gui = true
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You can use -I/-X and list of file or directory names like normal
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:hg:`diff` command. The extdiff extension makes snapshots of only
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needed files, so running the external diff program will actually be
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pretty fast (at least faster than having to compare the entire tree).
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'''
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from __future__ import absolute_import
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import os
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import re
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import shutil
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import stat
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import subprocess
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from mercurial.i18n import _
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from mercurial.node import (
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    nullrev,
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    short,
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)
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from mercurial import (
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    archival,
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    cmdutil,
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    encoding,
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    error,
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    filemerge,
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    formatter,
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    logcmdutil,
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    pycompat,
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    registrar,
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    scmutil,
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    util,
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)
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from mercurial.utils import (
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    procutil,
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    stringutil,
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)
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cmdtable = {}
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command = registrar.command(cmdtable)
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configtable = {}
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configitem = registrar.configitem(configtable)
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configitem(
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    b'extdiff',
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    br'opts\..*',
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    default=b'',
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    generic=True,
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)
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configitem(
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    b'extdiff',
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    br'gui\..*',
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    generic=True,
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)
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configitem(
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    b'diff-tools',
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    br'.*\.diffargs$',
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    default=None,
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    generic=True,
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)
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configitem(
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    b'diff-tools',
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    br'.*\.gui$',
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    generic=True,
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)
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = b'ships-with-hg-core'
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def snapshot(ui, repo, files, node, tmproot, listsubrepos):
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    """snapshot files as of some revision
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    if not using snapshot, -I/-X does not work and recursive diff
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    in tools like kdiff3 and meld displays too many files."""
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    dirname = os.path.basename(repo.root)
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    if dirname == b"":
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        dirname = b"root"
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    if node is not None:
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        dirname = b'%s.%s' % (dirname, short(node))
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    base = os.path.join(tmproot, dirname)
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    os.mkdir(base)
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    fnsandstat = []
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    if node is not None:
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        ui.note(
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            _(b'making snapshot of %d files from rev %s\n')
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            % (len(files), short(node))
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        )
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    else:
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        ui.note(
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            _(b'making snapshot of %d files from working directory\n')
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            % (len(files))
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        )
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    if files:
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        repo.ui.setconfig(b"ui", b"archivemeta", False)
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        archival.archive(
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            repo,
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            base,
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            node,
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            b'files',
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            match=scmutil.matchfiles(repo, files),
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            subrepos=listsubrepos,
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        )
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        for fn in sorted(files):
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            wfn = util.pconvert(fn)
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            ui.note(b'  %s\n' % wfn)
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            if node is None:
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                dest = os.path.join(base, wfn)
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                fnsandstat.append((dest, repo.wjoin(fn), os.lstat(dest)))
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    return dirname, fnsandstat
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def formatcmdline(
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    cmdline,
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    repo_root,
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    do3way,
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    parent1,
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    plabel1,
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    parent2,
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    plabel2,
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    child,
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    clabel,
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):
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    # Function to quote file/dir names in the argument string.
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    # When not operating in 3-way mode, an empty string is
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    # returned for parent2
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    replace = {
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        b'parent': parent1,
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        b'parent1': parent1,
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        b'parent2': parent2,
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        b'plabel1': plabel1,
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        b'plabel2': plabel2,
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        b'child': child,
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        b'clabel': clabel,
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        b'root': repo_root,
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    }
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    def quote(match):
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        pre = match.group(2)
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        key = match.group(3)
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        if not do3way and key == b'parent2':
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            return pre
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        return pre + procutil.shellquote(replace[key])
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    # Match parent2 first, so 'parent1?' will match both parent1 and parent
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    regex = (
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        br'''(['"]?)([^\s'"$]*)'''
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        br'\$(parent2|parent1?|child|plabel1|plabel2|clabel|root)\1'
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    )
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    if not do3way and not re.search(regex, cmdline):
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        cmdline += b' $parent1 $child'
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    return re.sub(regex, quote, cmdline)
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def _systembackground(cmd, environ=None, cwd=None):
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    """like 'procutil.system', but returns the Popen object directly
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    so we don't have to wait on it.
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    """
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    env = procutil.shellenviron(environ)
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    proc = subprocess.Popen(
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        procutil.tonativestr(cmd),
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        shell=True,
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        close_fds=procutil.closefds,
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        env=procutil.tonativeenv(env),
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        cwd=pycompat.rapply(procutil.tonativestr, cwd),
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    )
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    return proc
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def _runperfilediff(
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    cmdline,
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    repo_root,
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    ui,
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    guitool,
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    do3way,
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    confirm,
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    commonfiles,
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    tmproot,
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    dir1a,
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    dir1b,
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    dir2,
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    rev1a,
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    rev1b,
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    rev2,
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):
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    # Note that we need to sort the list of files because it was
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    # built in an "unstable" way and it's annoying to get files in a
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    # random order, especially when "confirm" mode is enabled.
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    waitprocs = []
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    totalfiles = len(commonfiles)
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    for idx, commonfile in enumerate(sorted(commonfiles)):
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        path1a = os.path.join(dir1a, commonfile)
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        label1a = commonfile + rev1a
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        if not os.path.isfile(path1a):
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            path1a = pycompat.osdevnull
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        path1b = b''
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        label1b = b''
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        if do3way:
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            path1b = os.path.join(dir1b, commonfile)
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            label1b = commonfile + rev1b
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            if not os.path.isfile(path1b):
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                path1b = pycompat.osdevnull
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        path2 = os.path.join(dir2, commonfile)
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        label2 = commonfile + rev2
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        if confirm:
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            # Prompt before showing this diff
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            difffiles = _(b'diff %s (%d of %d)') % (
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                commonfile,
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                idx + 1,
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                totalfiles,
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            )
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            responses = _(
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                b'[Yns?]'
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                b'$$ &Yes, show diff'
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                b'$$ &No, skip this diff'
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                b'$$ &Skip remaining diffs'
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                b'$$ &? (display help)'
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            )
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            r = ui.promptchoice(b'%s %s' % (difffiles, responses))
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            if r == 3:  # ?
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                while r == 3:
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                    for c, t in ui.extractchoices(responses)[1]:
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                        ui.write(b'%s - %s\n' % (c, encoding.lower(t)))
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                    r = ui.promptchoice(b'%s %s' % (difffiles, responses))
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            if r == 0:  # yes
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                pass
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            elif r == 1:  # no
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                continue
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            elif r == 2:  # skip
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                break
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        curcmdline = formatcmdline(
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            cmdline,
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            repo_root,
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            do3way=do3way,
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            parent1=path1a,
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            plabel1=label1a,
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            parent2=path1b,
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            plabel2=label1b,
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            child=path2,
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            clabel=label2,
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        )
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        if confirm or not guitool:
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            # Run the comparison program and wait for it to exit
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            # before we show the next file.
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            # This is because either we need to wait for confirmation
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            # from the user between each invocation, or because, as far
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            # as we know, the tool doesn't have a GUI, in which case
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            # we can't run multiple CLI programs at the same time.
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            ui.debug(
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                b'running %r in %s\n' % (pycompat.bytestr(curcmdline), tmproot)
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            )
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            ui.system(curcmdline, cwd=tmproot, blockedtag=b'extdiff')
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        else:
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            # Run the comparison program but don't wait, as we're
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            # going to rapid-fire each file diff and then wait on
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            # the whole group.
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            ui.debug(
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                b'running %r in %s (backgrounded)\n'
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                % (pycompat.bytestr(curcmdline), tmproot)
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            )
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            proc = _systembackground(curcmdline, cwd=tmproot)
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            waitprocs.append(proc)
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    if waitprocs:
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        with ui.timeblockedsection(b'extdiff'):
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            for proc in waitprocs:
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                proc.wait()
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   362
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def diffpatch(ui, repo, node1, node2, tmproot, matcher, cmdline):
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    template = b'hg-%h.patch'
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    # write patches to temporary files
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    with formatter.nullformatter(ui, b'extdiff', {}) as fm:
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        cmdutil.export(
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            repo,
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            [repo[node1].rev(), repo[node2].rev()],
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            fm,
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            fntemplate=repo.vfs.reljoin(tmproot, template),
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            match=matcher,
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        )
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    label1 = cmdutil.makefilename(repo[node1], template)
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    label2 = cmdutil.makefilename(repo[node2], template)
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    file1 = repo.vfs.reljoin(tmproot, label1)
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    file2 = repo.vfs.reljoin(tmproot, label2)
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    cmdline = formatcmdline(
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        cmdline,
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        repo.root,
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        # no 3way while comparing patches
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        do3way=False,
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   383
        parent1=file1,
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   384
        plabel1=label1,
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   385
        # while comparing patches, there is no second parent
30c31de4d1db extdiff: add comments and minor variable renames diffpatch()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45128
diff changeset
   386
        parent2=None,
30c31de4d1db extdiff: add comments and minor variable renames diffpatch()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45128
diff changeset
   387
        plabel2=None,
30c31de4d1db extdiff: add comments and minor variable renames diffpatch()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45128
diff changeset
   388
        child=file2,
45126
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   389
        clabel=label2,
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   390
    )
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   391
    ui.debug(b'running %r in %s\n' % (pycompat.bytestr(cmdline), tmproot))
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   392
    ui.system(cmdline, cwd=tmproot, blockedtag=b'extdiff')
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   393
    return 1
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   394
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   395
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   396
def diffrevs(
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   397
    ui,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   398
    repo,
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   399
    ctx1a,
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   400
    ctx1b,
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   401
    ctx2,
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   402
    matcher,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   403
    tmproot,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   404
    cmdline,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   405
    do3way,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   406
    guitool,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   407
    opts,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   408
):
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   409
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   410
    subrepos = opts.get(b'subrepos')
45130
33524b6bef53 extdiff: add some comments in diffrevs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45129
diff changeset
   411
33524b6bef53 extdiff: add some comments in diffrevs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45129
diff changeset
   412
    # calculate list of files changed between both revs
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   413
    st = ctx1a.status(ctx2, matcher, listsubrepos=subrepos)
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   414
    mod_a, add_a, rem_a = set(st.modified), set(st.added), set(st.removed)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   415
    if do3way:
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   416
        stb = ctx1b.status(ctx2, matcher, listsubrepos=subrepos)
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   417
        mod_b, add_b, rem_b = (
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   418
            set(stb.modified),
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   419
            set(stb.added),
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   420
            set(stb.removed),
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   421
        )
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   422
    else:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   423
        mod_b, add_b, rem_b = set(), set(), set()
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   424
    modadd = mod_a | add_a | mod_b | add_b
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   425
    common = modadd | rem_a | rem_b
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   426
    if not common:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   427
        return 0
45130
33524b6bef53 extdiff: add some comments in diffrevs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45129
diff changeset
   428
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   429
    # Always make a copy of ctx1a (and ctx1b, if applicable)
45130
33524b6bef53 extdiff: add some comments in diffrevs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45129
diff changeset
   430
    # dir1a should contain files which are:
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   431
    #   * modified or removed from ctx1a to ctx2
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   432
    #   * modified or added from ctx1b to ctx2
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   433
    #     (except file added from ctx1a to ctx2 as they were not present in
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   434
    #     ctx1a)
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   435
    dir1a_files = mod_a | rem_a | ((mod_b | add_b) - add_a)
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   436
    dir1a = snapshot(ui, repo, dir1a_files, ctx1a.node(), tmproot, subrepos)[0]
46132
dfe2760db2a6 extdiff: fix crash when showing diff from wdir()
Martin von Zweigbergk <martinvonz@google.com>
parents: 46131
diff changeset
   437
    rev1a = b'' if ctx1a.rev() is None else b'@%d' % ctx1a.rev()
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   438
    if do3way:
45130
33524b6bef53 extdiff: add some comments in diffrevs()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45129
diff changeset
   439
        # file calculation criteria same as dir1a
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   440
        dir1b_files = mod_b | rem_b | ((mod_a | add_a) - add_b)
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   441
        dir1b = snapshot(
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   442
            ui, repo, dir1b_files, ctx1b.node(), tmproot, subrepos
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   443
        )[0]
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   444
        rev1b = b'@%d' % ctx1b.rev()
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   445
    else:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   446
        dir1b = None
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   447
        rev1b = b''
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   448
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   449
    fnsandstat = []
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   450
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   451
    # If ctx2 is not the wc or there is >1 change, copy it
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   452
    dir2root = b''
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   453
    rev2 = b''
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   454
    if ctx2.node() is not None:
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   455
        dir2 = snapshot(ui, repo, modadd, ctx2.node(), tmproot, subrepos)[0]
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   456
        rev2 = b'@%d' % ctx2.rev()
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   457
    elif len(common) > 1:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   458
        # we only actually need to get the files to copy back to
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   459
        # the working dir in this case (because the other cases
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   460
        # are: diffing 2 revisions or single file -- in which case
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   461
        # the file is already directly passed to the diff tool).
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   462
        dir2, fnsandstat = snapshot(ui, repo, modadd, None, tmproot, subrepos)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   463
    else:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   464
        # This lets the diff tool open the changed file directly
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   465
        dir2 = b''
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   466
        dir2root = repo.root
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   467
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   468
    label1a = rev1a
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   469
    label1b = rev1b
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   470
    label2 = rev2
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   471
45401
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   472
    if not opts.get(b'per_file'):
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   473
        # If only one change, diff the files instead of the directories
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   474
        # Handle bogus modifies correctly by checking if the files exist
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   475
        if len(common) == 1:
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   476
            common_file = util.localpath(common.pop())
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   477
            dir1a = os.path.join(tmproot, dir1a, common_file)
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   478
            label1a = common_file + rev1a
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   479
            if not os.path.isfile(dir1a):
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   480
                dir1a = pycompat.osdevnull
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   481
            if do3way:
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   482
                dir1b = os.path.join(tmproot, dir1b, common_file)
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   483
                label1b = common_file + rev1b
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   484
                if not os.path.isfile(dir1b):
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   485
                    dir1b = pycompat.osdevnull
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   486
            dir2 = os.path.join(dir2root, dir2, common_file)
451e13cc6d85 extdiff: move single file handling inside `not per-file` conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45400
diff changeset
   487
            label2 = common_file + rev2
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   488
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   489
        # Run the external tool on the 2 temp directories or the patches
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   490
        cmdline = formatcmdline(
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   491
            cmdline,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   492
            repo.root,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   493
            do3way=do3way,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   494
            parent1=dir1a,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   495
            plabel1=label1a,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   496
            parent2=dir1b,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   497
            plabel2=label1b,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   498
            child=dir2,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   499
            clabel=label2,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   500
        )
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   501
        ui.debug(b'running %r in %s\n' % (pycompat.bytestr(cmdline), tmproot))
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   502
        ui.system(cmdline, cwd=tmproot, blockedtag=b'extdiff')
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   503
    else:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   504
        # Run the external tool once for each pair of files
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   505
        _runperfilediff(
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   506
            cmdline,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   507
            repo.root,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   508
            ui,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   509
            guitool=guitool,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   510
            do3way=do3way,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   511
            confirm=opts.get(b'confirm'),
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   512
            commonfiles=common,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   513
            tmproot=tmproot,
45399
e7c5735433ac extdiff: pass full paths of `dir1a` and `dir1b` to `_runperfilediff()`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45130
diff changeset
   514
            dir1a=os.path.join(tmproot, dir1a),
e7c5735433ac extdiff: pass full paths of `dir1a` and `dir1b` to `_runperfilediff()`
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45130
diff changeset
   515
            dir1b=os.path.join(tmproot, dir1b) if do3way else None,
45400
1bed1b00b18d extdiff: remove dir2root and pass full path as dir2 in _runperfilediff()
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45399
diff changeset
   516
            dir2=os.path.join(dir2root, dir2),
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   517
            rev1a=rev1a,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   518
            rev1b=rev1b,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   519
            rev2=rev2,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   520
        )
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   521
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   522
    for copy_fn, working_fn, st in fnsandstat:
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   523
        cpstat = os.lstat(copy_fn)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   524
        # Some tools copy the file and attributes, so mtime may not detect
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   525
        # all changes.  A size check will detect more cases, but not all.
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   526
        # The only certain way to detect every case is to diff all files,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   527
        # which could be expensive.
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   528
        # copyfile() carries over the permission, so the mode check could
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   529
        # be in an 'elif' branch, but for the case where the file has
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   530
        # changed without affecting mtime or size.
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   531
        if (
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   532
            cpstat[stat.ST_MTIME] != st[stat.ST_MTIME]
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   533
            or cpstat.st_size != st.st_size
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   534
            or (cpstat.st_mode & 0o100) != (st.st_mode & 0o100)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   535
        ):
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   536
            ui.debug(
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   537
                b'file changed while diffing. '
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   538
                b'Overwriting: %s (src: %s)\n' % (working_fn, copy_fn)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   539
            )
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   540
            util.copyfile(copy_fn, working_fn)
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   541
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   542
    return 1
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   543
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   544
41584
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   545
def dodiff(ui, repo, cmdline, pats, opts, guitool=False):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   546
    """Do the actual diff:
6103
e668fd796b8b Propagating changes back to working dirs when changing files in external
Fabio Zadrozny <fabiofz at gmail dot com>
parents: 5293
diff changeset
   547
e668fd796b8b Propagating changes back to working dirs when changing files in external
Fabio Zadrozny <fabiofz at gmail dot com>
parents: 5293
diff changeset
   548
    - copy to a temp structure if diffing 2 internal revisions
e668fd796b8b Propagating changes back to working dirs when changing files in external
Fabio Zadrozny <fabiofz at gmail dot com>
parents: 5293
diff changeset
   549
    - copy to a temp structure if diffing working revision with
e668fd796b8b Propagating changes back to working dirs when changing files in external
Fabio Zadrozny <fabiofz at gmail dot com>
parents: 5293
diff changeset
   550
      another one and more than 1 file is changed
e668fd796b8b Propagating changes back to working dirs when changing files in external
Fabio Zadrozny <fabiofz at gmail dot com>
parents: 5293
diff changeset
   551
    - just invoke the diff for a single file in the working dir
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   552
    """
7758
e81e6c996e99 extdiff: add --change option to display single changeset diff
Gilles Moris <gilles.moris@free.fr>
parents: 7599
diff changeset
   553
44808
aac816f584ad diff: use cmdutil.check_at_most_one_arg() for checking --rev/--change
Martin von Zweigbergk <martinvonz@google.com>
parents: 43790
diff changeset
   554
    cmdutil.check_at_most_one_arg(opts, b'rev', b'change')
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   555
    revs = opts.get(b'rev')
46133
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   556
    from_rev = opts.get(b'from')
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   557
    to_rev = opts.get(b'to')
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   558
    change = opts.get(b'change')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   559
    do3way = b'$parent2' in cmdline
7758
e81e6c996e99 extdiff: add --change option to display single changeset diff
Gilles Moris <gilles.moris@free.fr>
parents: 7599
diff changeset
   560
44808
aac816f584ad diff: use cmdutil.check_at_most_one_arg() for checking --rev/--change
Martin von Zweigbergk <martinvonz@google.com>
parents: 43790
diff changeset
   561
    if change:
48118
5105a9975407 errors: raise InputError from revsingle() iff revset provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 48117
diff changeset
   562
        ctx2 = logcmdutil.revsingle(repo, change, None)
37253
6089ef933ab5 extdiff: use context-returning revpair()
Martin von Zweigbergk <martinvonz@google.com>
parents: 37251
diff changeset
   563
        ctx1a, ctx1b = ctx2.p1(), ctx2.p2()
46133
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   564
    elif from_rev or to_rev:
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   565
        repo = scmutil.unhidehashlikerevs(
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   566
            repo, [from_rev] + [to_rev], b'nowarn'
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   567
        )
48118
5105a9975407 errors: raise InputError from revsingle() iff revset provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 48117
diff changeset
   568
        ctx1a = logcmdutil.revsingle(repo, from_rev, None)
46843
728d89f6f9b1 refactor: prefer checks against nullrev over nullid
Joerg Sonnenberger <joerg@bec.de>
parents: 46133
diff changeset
   569
        ctx1b = repo[nullrev]
48118
5105a9975407 errors: raise InputError from revsingle() iff revset provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 48117
diff changeset
   570
        ctx2 = logcmdutil.revsingle(repo, to_rev, None)
7758
e81e6c996e99 extdiff: add --change option to display single changeset diff
Gilles Moris <gilles.moris@free.fr>
parents: 7599
diff changeset
   571
    else:
48117
b74e128676d4 errors: raise InputError from revpair() iff revset provided by the user
Martin von Zweigbergk <martinvonz@google.com>
parents: 46843
diff changeset
   572
        ctx1a, ctx2 = logcmdutil.revpair(repo, revs)
9512
e7bde4680eec extdiff: add 3-way diff for merge changesets
Sune Foldager <cryo@cyanite.org>
parents: 9467
diff changeset
   573
        if not revs:
37253
6089ef933ab5 extdiff: use context-returning revpair()
Martin von Zweigbergk <martinvonz@google.com>
parents: 37251
diff changeset
   574
            ctx1b = repo[None].p2()
9512
e7bde4680eec extdiff: add 3-way diff for merge changesets
Sune Foldager <cryo@cyanite.org>
parents: 9467
diff changeset
   575
        else:
46843
728d89f6f9b1 refactor: prefer checks against nullrev over nullid
Joerg Sonnenberger <joerg@bec.de>
parents: 46133
diff changeset
   576
            ctx1b = repo[nullrev]
37253
6089ef933ab5 extdiff: use context-returning revpair()
Martin von Zweigbergk <martinvonz@google.com>
parents: 37251
diff changeset
   577
9512
e7bde4680eec extdiff: add 3-way diff for merge changesets
Sune Foldager <cryo@cyanite.org>
parents: 9467
diff changeset
   578
    # Disable 3-way merge if there is only one parent
e7bde4680eec extdiff: add 3-way diff for merge changesets
Sune Foldager <cryo@cyanite.org>
parents: 9467
diff changeset
   579
    if do3way:
46843
728d89f6f9b1 refactor: prefer checks against nullrev over nullid
Joerg Sonnenberger <joerg@bec.de>
parents: 46133
diff changeset
   580
        if ctx1b.rev() == nullrev:
9512
e7bde4680eec extdiff: add 3-way diff for merge changesets
Sune Foldager <cryo@cyanite.org>
parents: 9467
diff changeset
   581
            do3way = False
7758
e81e6c996e99 extdiff: add --change option to display single changeset diff
Gilles Moris <gilles.moris@free.fr>
parents: 7599
diff changeset
   582
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   583
    matcher = scmutil.match(ctx2, pats, opts)
26227
611ba118ebfc extdiff: prepare sections of dodiff() for conditionalizing
Matt Harbison <matt_harbison@yahoo.com>
parents: 25876
diff changeset
   584
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   585
    if opts.get(b'patch'):
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   586
        if opts.get(b'subrepos'):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   587
            raise error.Abort(_(b'--patch cannot be used with --subrepos'))
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   588
        if opts.get(b'per_file'):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   589
            raise error.Abort(_(b'--patch cannot be used with --per-file'))
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   590
        if ctx2.node() is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   591
            raise error.Abort(_(b'--patch requires two revisions'))
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   592
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   593
    tmproot = pycompat.mkdtemp(prefix=b'extdiff.')
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   594
    try:
45126
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   595
        if opts.get(b'patch'):
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   596
            return diffpatch(
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   597
                ui, repo, ctx1a.node(), ctx2.node(), tmproot, matcher, cmdline
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   598
            )
45126
48c38018bd77 extdiff: refactor logic which does diff of patches
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44867
diff changeset
   599
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   600
        return diffrevs(
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   601
            ui,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   602
            repo,
46131
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   603
            ctx1a,
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   604
            ctx1b,
55542b213813 extdiff: pass contexts instead of nodeids into diffrevs()
Martin von Zweigbergk <martinvonz@google.com>
parents: 45942
diff changeset
   605
            ctx2,
45127
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   606
            matcher,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   607
            tmproot,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   608
            cmdline,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   609
            do3way,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   610
            guitool,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   611
            opts,
da2e69a278df extdiff: refactor logic to diff revs of versions of files
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45126
diff changeset
   612
        )
5143
d4fa6bafc43a Remove trailing spaces, fix indentation
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5137
diff changeset
   613
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   614
    finally:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   615
        ui.note(_(b'cleaning up temp directory\n'))
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   616
        shutil.rmtree(tmproot)
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   617
27680
c750245c6b85 extdiff: factor out list of common options
Yuya Nishihara <yuya@tcha.org>
parents: 26587
diff changeset
   618
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   619
extdiffopts = (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   620
    [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   621
        (
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   622
            b'o',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   623
            b'option',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   624
            [],
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   625
            _(b'pass option to comparison program'),
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   626
            _(b'OPT'),
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   627
        ),
46133
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   628
        (b'r', b'rev', [], _(b'revision (DEPRECATED)'), _(b'REV')),
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   629
        (b'', b'from', b'', _(b'revision to diff from'), _(b'REV1')),
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   630
        (b'', b'to', b'', _(b'revision to diff to'), _(b'REV2')),
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   631
        (b'c', b'change', b'', _(b'change made by revision'), _(b'REV')),
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   632
        (
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   633
            b'',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   634
            b'per-file',
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   635
            False,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   636
            _(b'compare each file instead of revision snapshots'),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   637
        ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   638
        (
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   639
            b'',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   640
            b'confirm',
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   641
            False,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   642
            _(b'prompt user before each external program invocation'),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   643
        ),
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   644
        (b'', b'patch', None, _(b'compare patches for two revisions')),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   645
    ]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   646
    + cmdutil.walkopts
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   647
    + cmdutil.subrepoopts
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   648
)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   649
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   650
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   651
@command(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   652
    b'extdiff',
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   653
    [
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   654
        (b'p', b'program', b'', _(b'comparison program to run'), _(b'CMD')),
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   655
    ]
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   656
    + extdiffopts,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   657
    _(b'hg extdiff [OPT]... [FILE]...'),
40293
c303d65d2e34 help: assigning categories to existing commands
rdamazio@google.com
parents: 38165
diff changeset
   658
    helpcategory=command.CATEGORY_FILE_CONTENTS,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   659
    inferrepo=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   660
)
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   661
def extdiff(ui, repo, *pats, **opts):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   662
    """use external program to diff repository (or selected files)
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   663
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   664
    Show differences between revisions for the specified files, using
7983
7b813bdbd5d0 Change double spaces to single spaces in help texts.
Martin Geisler <mg@daimi.au.dk>
parents: 7758
diff changeset
   665
    an external program. The default program used is diff, with
2906
453097750fbf extdiff: fix bugs. add test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2903
diff changeset
   666
    default options "-Npru".
453097750fbf extdiff: fix bugs. add test.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2903
diff changeset
   667
8076
5ec526c1a32f help texts: write command line switches as -a/--abc
Martin Geisler <mg@lazybytes.net>
parents: 8066
diff changeset
   668
    To select a different program, use the -p/--program option. The
41487
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   669
    program will be passed the names of two directories to compare,
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   670
    unless the --per-file option is specified (see below). To pass
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   671
    additional options to the program, use -o/--option. These will be
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   672
    passed before the names of the directories or files to compare.
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   673
46133
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   674
    The --from, --to, and --change options work the same way they do for
0a4d47f4337b extdiff: add --from/--to and deprecate -r, as was done for `hg diff`
Martin von Zweigbergk <martinvonz@google.com>
parents: 46132
diff changeset
   675
    :hg:`diff`.
41487
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   676
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   677
    The --per-file option runs the external program repeatedly on each
41584
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   678
    file to diff, instead of once on two directories. By default,
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   679
    this happens one by one, where the next file diff is open in the
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   680
    external program only once the previous external program (for the
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   681
    previous file diff) has exited. If the external program has a
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   682
    graphical interface, it can open all the file diffs at once instead
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   683
    of one by one. See :hg:`help -e extdiff` for information about how
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   684
    to tell Mercurial that a given program has a graphical interface.
41487
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   685
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   686
    The --confirm option will prompt the user before each invocation of
fa471151d269 extdiff: add --per-file and --confirm options
Ludovic Chabant <ludovic@chabant.com>
parents: 41196
diff changeset
   687
    the external program. It is ignored if --per-file isn't specified.
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45410
diff changeset
   688
    """
34976
a8bc191fee5a py3: handle keyword arguments in hgext/extdiff.py
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34778
diff changeset
   689
    opts = pycompat.byteskwargs(opts)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   690
    program = opts.get(b'program')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   691
    option = opts.get(b'option')
9519
0d3c1aa9d5de extdiff: fix defaulting to "diff" if no --program is given
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 8934
diff changeset
   692
    if not program:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   693
        program = b'diff'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   694
        option = option or [b'-Npru']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   695
    cmdline = b' '.join(map(procutil.shellquote, [program] + option))
23680
4075f2f8ea53 extdiff: avoid unexpected quoting arguments for external tools (issue4463)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 23270
diff changeset
   696
    return dodiff(ui, repo, cmdline, pats, opts)
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   697
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   698
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   699
class savedcmd(object):
29723
91b2f2176395 extdiff: isolate path variable of saved command to independent paragraph
Yuya Nishihara <yuya@tcha.org>
parents: 29722
diff changeset
   700
    """use external program to diff repository (or selected files)
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   701
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   702
    Show differences between revisions for the specified files, using
29723
91b2f2176395 extdiff: isolate path variable of saved command to independent paragraph
Yuya Nishihara <yuya@tcha.org>
parents: 29722
diff changeset
   703
    the following program::
91b2f2176395 extdiff: isolate path variable of saved command to independent paragraph
Yuya Nishihara <yuya@tcha.org>
parents: 29722
diff changeset
   704
91b2f2176395 extdiff: isolate path variable of saved command to independent paragraph
Yuya Nishihara <yuya@tcha.org>
parents: 29722
diff changeset
   705
        %(path)s
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   706
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   707
    When two revision arguments are given, then changes are shown
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   708
    between those revisions. If only one revision is specified then
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   709
    that revision is compared to the working directory, and, when no
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   710
    revisions are specified, the working directory files are compared
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   711
    to its parent.
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   712
    """
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   713
41584
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   714
    def __init__(self, path, cmdline, isgui):
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   715
        # We can't pass non-ASCII through docstrings (and path is
40806
151aec6494a8 extdiff: avoid double backslashes in the displayed tool path on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 40407
diff changeset
   716
        # in an unknown encoding anyway), but avoid double separators on
151aec6494a8 extdiff: avoid double backslashes in the displayed tool path on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 40407
diff changeset
   717
        # Windows
151aec6494a8 extdiff: avoid double backslashes in the displayed tool path on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 40407
diff changeset
   718
        docpath = stringutil.escapestr(path).replace(b'\\\\', b'\\')
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43077
diff changeset
   719
        self.__doc__ %= {'path': pycompat.sysstr(stringutil.uirepr(docpath))}
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   720
        self._cmdline = cmdline
41584
a4cd77a425a3 extdiff: support tools that can be run simultaneously
Ludovic Chabant <ludovic@chabant.com>
parents: 41487
diff changeset
   721
        self._isgui = isgui
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   722
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   723
    def __call__(self, ui, repo, *pats, **opts):
34976
a8bc191fee5a py3: handle keyword arguments in hgext/extdiff.py
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34778
diff changeset
   724
        opts = pycompat.byteskwargs(opts)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   725
        options = b' '.join(map(procutil.shellquote, opts[b'option']))
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   726
        if options:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   727
            options = b' ' + options
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   728
        return dodiff(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   729
            ui, repo, self._cmdline + options, pats, opts, guitool=self._isgui
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   730
        )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   731
29721
479076db51be extdiff: refactor closure of saved diff command as a top-level class
Yuya Nishihara <yuya@tcha.org>
parents: 29630
diff changeset
   732
45410
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   733
def _gettooldetails(ui, cmd, path):
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   734
    """
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   735
    returns following things for a
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   736
    ```
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   737
    [extdiff]
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   738
    <cmd> = <path>
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   739
    ```
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   740
    entry:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   741
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   742
    cmd: command/tool name
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   743
    path: path to the tool
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   744
    cmdline: the command which should be run
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   745
    isgui: whether the tool uses GUI or not
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   746
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   747
    Reads all external tools related configs, whether it be extdiff section,
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   748
    diff-tools or merge-tools section, or its specified in an old format or
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   749
    the latest format.
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   750
    """
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   751
    path = util.expandpath(path)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   752
    if cmd.startswith(b'cmd.'):
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   753
        cmd = cmd[4:]
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   754
        if not path:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   755
            path = procutil.findexe(cmd)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   756
            if path is None:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   757
                path = filemerge.findexternaltool(ui, cmd) or cmd
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   758
        diffopts = ui.config(b'extdiff', b'opts.' + cmd)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   759
        cmdline = procutil.shellquote(path)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   760
        if diffopts:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   761
            cmdline += b' ' + diffopts
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   762
        isgui = ui.configbool(b'extdiff', b'gui.' + cmd)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   763
    else:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   764
        if path:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   765
            # case "cmd = path opts"
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   766
            cmdline = path
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   767
            diffopts = len(pycompat.shlexsplit(cmdline)) > 1
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   768
        else:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   769
            # case "cmd ="
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   770
            path = procutil.findexe(cmd)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   771
            if path is None:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   772
                path = filemerge.findexternaltool(ui, cmd) or cmd
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   773
            cmdline = procutil.shellquote(path)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   774
            diffopts = False
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   775
        isgui = ui.configbool(b'extdiff', b'gui.' + cmd)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   776
    # look for diff arguments in [diff-tools] then [merge-tools]
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   777
    if not diffopts:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   778
        key = cmd + b'.diffargs'
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   779
        for section in (b'diff-tools', b'merge-tools'):
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   780
            args = ui.config(section, key)
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   781
            if args:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   782
                cmdline += b' ' + args
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   783
                if isgui is None:
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   784
                    isgui = ui.configbool(section, cmd + b'.gui') or False
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   785
                break
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   786
    return cmd, path, cmdline, isgui
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   787
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   788
2333
de0c05afa511 new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   789
def uisetup(ui):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   790
    for cmd, path in ui.configitems(b'extdiff'):
45409
a28da102fd36 extdiff: reorder an if-else conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45401
diff changeset
   791
        if cmd.startswith(b'opts.') or cmd.startswith(b'gui.'):
a28da102fd36 extdiff: reorder an if-else conditional
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45401
diff changeset
   792
            continue
45410
2d08dcf8fd9e extdiff: refactor cmdline and gui calculation login in a separate fn
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45409
diff changeset
   793
        cmd, path, cmdline, isgui = _gettooldetails(ui, cmd, path)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   794
        command(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   795
            cmd,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   796
            extdiffopts[:],
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   797
            _(b'hg %s [OPTION]... [FILE]...') % cmd,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   798
            helpcategory=command.CATEGORY_FILE_CONTENTS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   799
            inferrepo=True,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   800
        )(savedcmd(path, cmdline, isgui))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41584
diff changeset
   801
29722
14c3afcb1c26 extdiff: export __doc__ of saved command for translation
Yuya Nishihara <yuya@tcha.org>
parents: 29721
diff changeset
   802
14c3afcb1c26 extdiff: export __doc__ of saved command for translation
Yuya Nishihara <yuya@tcha.org>
parents: 29721
diff changeset
   803
# tell hggettext to extract docstrings from these functions:
14c3afcb1c26 extdiff: export __doc__ of saved command for translation
Yuya Nishihara <yuya@tcha.org>
parents: 29721
diff changeset
   804
i18nfunctions = [savedcmd]