mercurial/merge.py
author Mads Kiilerich <mads@kiilerich.com>
Wed, 09 Jan 2013 00:01:33 +0100
changeset 18330 b717f49833a2
parent 18329 eb6ca96f4dd0
child 18331 e68cec5e28b0
permissions -rw-r--r--
merge: rename list of actions from action to actions
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# merge.py - directory-level update/merge handling for Mercurial
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#
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# Copyright 2006, 2007 Matt Mackall <mpm@selenic.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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from node import nullid, nullrev, hex, bin
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from i18n import _
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import error, util, filemerge, copies, subrepo
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import errno, os, shutil
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class mergestate(object):
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    '''track 3-way merge state of individual files'''
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    def __init__(self, repo):
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        self._repo = repo
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        self._dirty = False
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        self._read()
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    def reset(self, node=None):
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        self._state = {}
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        if node:
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            self._local = node
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        shutil.rmtree(self._repo.join("merge"), True)
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        self._dirty = False
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    def _read(self):
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        self._state = {}
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        try:
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            f = self._repo.opener("merge/state")
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            for i, l in enumerate(f):
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                if i == 0:
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                    self._local = bin(l[:-1])
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                else:
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                    bits = l[:-1].split("\0")
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                    self._state[bits[0]] = bits[1:]
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            f.close()
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        except IOError, err:
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            if err.errno != errno.ENOENT:
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                raise
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        self._dirty = False
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    def commit(self):
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        if self._dirty:
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            f = self._repo.opener("merge/state", "w")
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            f.write(hex(self._local) + "\n")
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            for d, v in self._state.iteritems():
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                f.write("\0".join([d] + v) + "\n")
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            f.close()
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            self._dirty = False
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    def add(self, fcl, fco, fca, fd, flags):
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        hash = util.sha1(fcl.path()).hexdigest()
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        self._repo.opener.write("merge/" + hash, fcl.data())
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        self._state[fd] = ['u', hash, fcl.path(), fca.path(),
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                           hex(fca.filenode()), fco.path(), flags]
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        self._dirty = True
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    def __contains__(self, dfile):
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        return dfile in self._state
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    def __getitem__(self, dfile):
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        return self._state[dfile][0]
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    def __iter__(self):
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        l = self._state.keys()
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        l.sort()
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        for f in l:
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            yield f
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    def mark(self, dfile, state):
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        self._state[dfile][0] = state
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        self._dirty = True
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    def resolve(self, dfile, wctx, octx):
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        if self[dfile] == 'r':
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            return 0
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        state, hash, lfile, afile, anode, ofile, flags = self._state[dfile]
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        f = self._repo.opener("merge/" + hash)
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        self._repo.wwrite(dfile, f.read(), flags)
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        f.close()
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        fcd = wctx[dfile]
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        fco = octx[ofile]
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        fca = self._repo.filectx(afile, fileid=anode)
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        r = filemerge.filemerge(self._repo, self._local, lfile, fcd, fco, fca)
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        if r is None:
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            # no real conflict
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            del self._state[dfile]
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        elif not r:
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            self.mark(dfile, 'r')
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        return r
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def _checkunknownfile(repo, wctx, mctx, f):
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    return (not repo.dirstate._ignore(f)
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        and os.path.isfile(repo.wjoin(f))
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        and repo.dirstate.normalize(f) not in repo.dirstate
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        and mctx[f].cmp(wctx[f]))
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def _checkunknown(repo, wctx, mctx):
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    "check for collisions between unknown files and files in mctx"
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    error = False
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    for f in mctx:
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        if f not in wctx and _checkunknownfile(repo, wctx, mctx, f):
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            error = True
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            wctx._repo.ui.warn(_("%s: untracked file differs\n") % f)
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    if error:
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        raise util.Abort(_("untracked files in working directory differ "
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                           "from files in requested revision"))
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def _remains(f, m, ma, workingctx=False):
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    """check whether specified file remains after merge.
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    It is assumed that specified file is not contained in the manifest
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    of the other context.
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    """
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    if f in ma:
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        n = m[f]
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        if n != ma[f]:
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            return True # because it is changed locally
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            # even though it doesn't remain, if "remote deleted" is
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            # chosen in manifestmerge()
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        elif workingctx and n[20:] == "a":
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            return True # because it is added locally (linear merge specific)
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        else:
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            return False # because it is removed remotely
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    else:
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        return True # because it is added locally
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def _checkcollision(mctx, extractxs):
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    "check for case folding collisions in the destination context"
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    folded = {}
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    for fn in mctx:
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        fold = util.normcase(fn)
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        if fold in folded:
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            raise util.Abort(_("case-folding collision between %s and %s")
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                             % (fn, folded[fold]))
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        folded[fold] = fn
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   130
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    if extractxs:
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        wctx, actx = extractxs
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        # class to delay looking up copy mapping
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        class pathcopies(object):
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            @util.propertycache
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            def map(self):
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                # {dst@mctx: src@wctx} copy mapping
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                return copies.pathcopies(wctx, mctx)
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        pc = pathcopies()
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   140
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        for fn in wctx:
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            fold = util.normcase(fn)
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            mfn = folded.get(fold, None)
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            if (mfn and mfn != fn and pc.map.get(mfn) != fn and
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                _remains(fn, wctx.manifest(), actx.manifest(), True) and
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                _remains(mfn, mctx.manifest(), actx.manifest())):
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                raise util.Abort(_("case-folding collision between %s and %s")
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                                 % (mfn, fn))
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   149
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def _forgetremoved(wctx, mctx, branchmerge):
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    """
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    Forget removed files
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   153
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    If we're jumping between revisions (as opposed to merging), and if
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   155
    neither the working directory nor the target rev has the file,
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    then we need to remove it from the dirstate, to prevent the
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    dirstate from listing the file when it is no longer in the
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   158
    manifest.
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   159
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    If we're merging, and the other revision has removed a file
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    that is not present in the working directory, we need to mark it
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   162
    as removed.
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   163
    """
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   164
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    actions = []
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    state = branchmerge and 'r' or 'f'
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   167
    for f in wctx.deleted():
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        if f not in mctx:
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            actions.append((f, state))
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   170
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    if not branchmerge:
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        for f in wctx.removed():
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            if f not in mctx:
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                actions.append((f, "f"))
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   175
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   176
    return actions
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   177
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def manifestmerge(repo, p1, p2, pa, overwrite, partial):
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   179
    """
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    Merge p1 and p2 with ancestor pa and generate merge action list
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   181
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    overwrite = whether we clobber working files
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   183
    partial = function to filter file lists
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   184
    """
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   185
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    def fmerge(f, f2, fa):
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        """merge flags"""
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        a, m, n = ma.flags(fa), m1.flags(f), m2.flags(f2)
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   189
        if m == n: # flags agree
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   190
            return m # unchanged
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   191
        if m and n and not a: # flags set, don't agree, differ from parent
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            r = repo.ui.promptchoice(
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   193
                _(" conflicting flags for %s\n"
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   194
                  "(n)one, e(x)ec or sym(l)ink?") % f,
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   195
                (_("&None"), _("E&xec"), _("Sym&link")), 0)
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   196
            if r == 1:
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   197
                return "x" # Exec
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   198
            if r == 2:
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   199
                return "l" # Symlink
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   200
            return ""
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   201
        if m and m != a: # changed from a to m
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   202
            return m
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   203
        if n and n != a: # changed from a to n
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   204
            if (n == 'l' or a == 'l') and m1.get(f) != ma.get(f):
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   205
                # can't automatically merge symlink flag when there
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diff changeset
   206
                # are file-level conflicts here, let filemerge take
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   207
                # care of it
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   208
                return m
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   209
            return n
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   210
        return '' # flag was cleared
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diff changeset
   211
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   212
    def act(msg, m, f, *args):
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   213
        repo.ui.debug(" %s: %s -> %s\n" % (f, msg, m))
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   214
        actions.append((f, m) + args)
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diff changeset
   215
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   216
    actions, copy, movewithdir = [], {}, {}
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   217
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   218
    if overwrite:
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   219
        pa = p1
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   220
    elif pa == p2: # backwards
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   221
        pa = p1.p1()
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diff changeset
   222
    elif pa and repo.ui.configbool("merge", "followcopies", True):
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diff changeset
   223
        ret = copies.mergecopies(repo, p1, p2, pa)
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diff changeset
   224
        copy, movewithdir, diverge, renamedelete = ret
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   225
        for of, fl in diverge.iteritems():
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diff changeset
   226
            act("divergent renames", "dr", of, fl)
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Thomas Arendsen Hein <thomas@intevation.de>
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   227
        for of, fl in renamedelete.iteritems():
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   228
            act("rename and delete", "rd", of, fl)
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diff changeset
   229
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diff changeset
   230
    repo.ui.note(_("resolving manifests\n"))
15625
efdcce3fd2d5 merge: make debug output easier to read
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parents: 15619
diff changeset
   231
    repo.ui.debug(" overwrite: %s, partial: %s\n"
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   232
                  % (bool(overwrite), bool(partial)))
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   233
    repo.ui.debug(" ancestor: %s, local: %s, remote: %s\n" % (pa, p1, p2))
8753
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diff changeset
   234
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   235
    m1, m2, ma = p1.manifest(), p2.manifest(), pa.manifest()
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diff changeset
   236
    copied = set(copy.values())
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6c35b53cd28b copies: separate moves via directory renames from explicit copies
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diff changeset
   237
    copied.update(movewithdir.values())
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diff changeset
   238
11470
34e33d50c26b subrepo: correctly handle update -C with modified subrepos (issue2022)
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diff changeset
   239
    if '.hgsubstate' in m1:
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ee00ef6f9be7 submerge: properly deal with overwrites
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   240
        # check whether sub state is modified
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   241
        for s in p1.substate:
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   242
            if p1.sub(s).dirty():
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diff changeset
   243
                m1['.hgsubstate'] += "+"
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   244
                break
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diff changeset
   245
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   246
    # Compare manifests
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   247
    for f, n in m1.iteritems():
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diff changeset
   248
        if partial and not partial(f):
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diff changeset
   249
            continue
3105
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diff changeset
   250
        if f in m2:
8735
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diff changeset
   251
            rflags = fmerge(f, f, f)
8752
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diff changeset
   252
            a = ma.get(f, nullid)
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   253
            if n == m2[f] or m2[f] == a: # same or local newer
11466
ad27428c59ce update: synchronize permissions in the dirstate (issue1473)
Matt Mackall <mpm@selenic.com>
parents: 11454
diff changeset
   254
                # is file locally modified or flags need changing?
ad27428c59ce update: synchronize permissions in the dirstate (issue1473)
Matt Mackall <mpm@selenic.com>
parents: 11454
diff changeset
   255
                # dirstate flags may need to be made current
ad27428c59ce update: synchronize permissions in the dirstate (issue1473)
Matt Mackall <mpm@selenic.com>
parents: 11454
diff changeset
   256
                if m1.flags(f) != rflags or n[20:]:
8752
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   257
                    act("update permissions", "e", f, rflags)
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   258
            elif n == a: # remote newer
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   259
                act("remote is newer", "g", f, rflags)
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   260
            else: # both changed
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   261
                act("versions differ", "m", f, f, f, rflags, False)
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   262
        elif f in copied: # files we'll deal with on m2 side
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   263
            pass
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   264
        elif f in movewithdir: # directory rename
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   265
            f2 = movewithdir[f]
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   266
            act("remote renamed directory to " + f2, "d", f, None, f2,
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   267
                m1.flags(f))
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   268
        elif f in copy: # case 2 A,B/B/B or case 4,21 A/B/B
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
   269
            f2 = copy[f]
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   270
            act("local copied/moved to " + f2, "m", f, f2, f,
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   271
                fmerge(f, f2, f2), False)
8744
6b675c781c6d merge: simplify 'other deleted' case
Matt Mackall <mpm@selenic.com>
parents: 8743
diff changeset
   272
        elif f in ma: # clean, a different, no remote
8739
226f1005133c merge: drop an overwrite test
Matt Mackall <mpm@selenic.com>
parents: 8738
diff changeset
   273
            if n != ma[f]:
9048
86b4a9b0ddda ui: extract choice from prompt
Simon Heimberg <simohe@besonet.ch>
parents: 9030
diff changeset
   274
                if repo.ui.promptchoice(
5670
840e2b315c1f Fix misleading error and prompts during update/merge (issue556)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5489
diff changeset
   275
                    _(" local changed %s which remote deleted\n"
840e2b315c1f Fix misleading error and prompts during update/merge (issue556)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5489
diff changeset
   276
                      "use (c)hanged version or (d)elete?") % f,
9048
86b4a9b0ddda ui: extract choice from prompt
Simon Heimberg <simohe@besonet.ch>
parents: 9030
diff changeset
   277
                    (_("&Changed"), _("&Delete")), 0):
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
   278
                    act("prompt delete", "r", f)
8736
7619b16ea880 merge: fix prompt keep
Matt Mackall <mpm@selenic.com>
parents: 8735
diff changeset
   279
                else:
7619b16ea880 merge: fix prompt keep
Matt Mackall <mpm@selenic.com>
parents: 8735
diff changeset
   280
                    act("prompt keep", "a", f)
8751
e8d80e0835c7 merge: make locally-added file test more correct
Matt Mackall <mpm@selenic.com>
parents: 8750
diff changeset
   281
            elif n[20:] == "a": # added, no remote
e8d80e0835c7 merge: make locally-added file test more correct
Matt Mackall <mpm@selenic.com>
parents: 8750
diff changeset
   282
                act("remote deleted", "f", f)
16094
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   283
            else:
3307
f009a6f12a59 merge: swap file and mode args for act()
Matt Mackall <mpm@selenic.com>
parents: 3306
diff changeset
   284
                act("other deleted", "r", f)
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
   285
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
   286
    for f, n in m2.iteritems():
3248
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
   287
        if partial and not partial(f):
751840e739a1 merge: reduce manifest copying
Matt Mackall <mpm@selenic.com>
parents: 3247
diff changeset
   288
            continue
8752
f177bdab261b merge: simplify file revision comparison logic
Matt Mackall <mpm@selenic.com>
parents: 8751
diff changeset
   289
        if f in m1 or f in copied: # files already visited
3729
581d20773326 merge: add copied hash to simplify copy logic
Matt Mackall <mpm@selenic.com>
parents: 3728
diff changeset
   290
            continue
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   291
        if f in movewithdir:
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   292
            f2 = movewithdir[f]
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   293
            act("local renamed directory to " + f2, "d", None, f, f2,
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   294
                m2.flags(f))
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   295
        elif f in copy:
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
   296
            f2 = copy[f]
18134
6c35b53cd28b copies: separate moves via directory renames from explicit copies
Siddharth Agarwal <sid0@fb.com>
parents: 18042
diff changeset
   297
            if f2 in m2: # rename case 1, A/A,B/A
3730
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
   298
                act("remote copied to " + f, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
   299
                    f2, f, f, fmerge(f2, f, f2), False)
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
   300
            else: # case 3,20 A/B/A
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
   301
                act("remote moved to " + f, "m",
d377f8d25662 merge: only store one direction of copies in the copy map
Matt Mackall <mpm@selenic.com>
parents: 3729
diff changeset
   302
                    f2, f, f, fmerge(f2, f, f2), True)
8741
e592180ba435 merge: reorder remote creation tests
Matt Mackall <mpm@selenic.com>
parents: 8740
diff changeset
   303
        elif f not in ma:
16094
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   304
            if (not overwrite
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   305
                and _checkunknownfile(repo, p1, p2, f)):
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   306
                rflags = fmerge(f, f, f)
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   307
                act("remote differs from untracked local",
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   308
                    "m", f, f, f, rflags, False)
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   309
            else:
0776a6cababe merge: don't use unknown()
Matt Mackall <mpm@selenic.com>
parents: 16093
diff changeset
   310
                act("remote created", "g", f, m2.flags(f))
8741
e592180ba435 merge: reorder remote creation tests
Matt Mackall <mpm@selenic.com>
parents: 8740
diff changeset
   311
        elif n != ma[f]:
9048
86b4a9b0ddda ui: extract choice from prompt
Simon Heimberg <simohe@besonet.ch>
parents: 9030
diff changeset
   312
            if repo.ui.promptchoice(
8741
e592180ba435 merge: reorder remote creation tests
Matt Mackall <mpm@selenic.com>
parents: 8740
diff changeset
   313
                _("remote changed %s which local deleted\n"
e592180ba435 merge: reorder remote creation tests
Matt Mackall <mpm@selenic.com>
parents: 8740
diff changeset
   314
                  "use (c)hanged version or leave (d)eleted?") % f,
9048
86b4a9b0ddda ui: extract choice from prompt
Simon Heimberg <simohe@besonet.ch>
parents: 9030
diff changeset
   315
                (_("&Changed"), _("&Deleted")), 0) == 0:
8741
e592180ba435 merge: reorder remote creation tests
Matt Mackall <mpm@selenic.com>
parents: 8740
diff changeset
   316
                act("prompt recreating", "g", f, m2.flags(f))
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
   317
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   318
    return actions
3105
7c7469d41ade merge: pull manifest comparison out into separate function
Matt Mackall <mpm@selenic.com>
parents: 3104
diff changeset
   319
8366
0bf0045000b5 some modernization cleanups, forward compatibility
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 8312
diff changeset
   320
def actionkey(a):
18329
eb6ca96f4dd0 merge: consistently use "x" instead of 'x' for internal action types
Mads Kiilerich <mads@kiilerich.com>
parents: 18328
diff changeset
   321
    return a[1] == "r" and -1 or 0, a
6805
482581431dcd Sort removes first when applying updates (fixes issues 750 and 912)
Paul Moore <p.f.moore@gmail.com>
parents: 6762
diff changeset
   322
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   323
def applyupdates(repo, actions, wctx, mctx, actx, overwrite):
11454
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   324
    """apply the merge action list to the working directory
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   325
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   326
    wctx is the working copy context
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   327
    mctx is the context to be merged into the working copy
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   328
    actx is the context of the common ancestor
13162
115a9760c382 merge: document some internal return values.
Greg Ward <greg-hg@gerg.ca>
parents: 13158
diff changeset
   329
115a9760c382 merge: document some internal return values.
Greg Ward <greg-hg@gerg.ca>
parents: 13158
diff changeset
   330
    Return a tuple of counts (updated, merged, removed, unresolved) that
115a9760c382 merge: document some internal return values.
Greg Ward <greg-hg@gerg.ca>
parents: 13158
diff changeset
   331
    describes how many files were affected by the update.
11454
9b0406b23be0 merge: pass constant cset ancestor to fctx.ancestor
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 11451
diff changeset
   332
    """
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   333
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   334
    updated, merged, removed, unresolved = 0, 0, 0, 0
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   335
    ms = mergestate(repo)
13878
a8d13ee0ce68 misc: replace .parents()[0] with p1()
Matt Mackall <mpm@selenic.com>
parents: 13874
diff changeset
   336
    ms.reset(wctx.p1().node())
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   337
    moves = []
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   338
    actions.sort(key=actionkey)
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   339
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   340
    # prescan for merges
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   341
    for a in actions:
5042
f191bc3916f7 merge: do early copy to deal with issue636
Matt Mackall <mpm@selenic.com>
parents: 4997
diff changeset
   342
        f, m = a[:2]
18329
eb6ca96f4dd0 merge: consistently use "x" instead of 'x' for internal action types
Mads Kiilerich <mads@kiilerich.com>
parents: 18328
diff changeset
   343
        if m == "m": # merge
5042
f191bc3916f7 merge: do early copy to deal with issue636
Matt Mackall <mpm@selenic.com>
parents: 4997
diff changeset
   344
            f2, fd, flags, move = a[2:]
8814
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   345
            if f == '.hgsubstate': # merged internally
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   346
                continue
9467
4c041f1ee1b4 do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents: 9048
diff changeset
   347
            repo.ui.debug("preserving %s for resolve of %s\n" % (f, fd))
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   348
            fcl = wctx[f]
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   349
            fco = mctx[f2]
12008
fad5ed0ff997 merge: move reverse-merge logic out of filemerge (issue2342)
Matt Mackall <mpm@selenic.com>
parents: 11755
diff changeset
   350
            if mctx == actx: # backwards, use working dir parent as ancestor
12664
545ec1775021 merge: handle no file parent in backwards merge (issue2364)
Matt Mackall <mpm@selenic.com>
parents: 12401
diff changeset
   351
                if fcl.parents():
13878
a8d13ee0ce68 misc: replace .parents()[0] with p1()
Matt Mackall <mpm@selenic.com>
parents: 13874
diff changeset
   352
                    fca = fcl.p1()
12664
545ec1775021 merge: handle no file parent in backwards merge (issue2364)
Matt Mackall <mpm@selenic.com>
parents: 12401
diff changeset
   353
                else:
545ec1775021 merge: handle no file parent in backwards merge (issue2364)
Matt Mackall <mpm@selenic.com>
parents: 12401
diff changeset
   354
                    fca = repo.filectx(f, fileid=nullrev)
12008
fad5ed0ff997 merge: move reverse-merge logic out of filemerge (issue2342)
Matt Mackall <mpm@selenic.com>
parents: 11755
diff changeset
   355
            else:
fad5ed0ff997 merge: move reverse-merge logic out of filemerge (issue2342)
Matt Mackall <mpm@selenic.com>
parents: 11755
diff changeset
   356
                fca = fcl.ancestor(fco, actx)
fad5ed0ff997 merge: move reverse-merge logic out of filemerge (issue2342)
Matt Mackall <mpm@selenic.com>
parents: 11755
diff changeset
   357
            if not fca:
fad5ed0ff997 merge: move reverse-merge logic out of filemerge (issue2342)
Matt Mackall <mpm@selenic.com>
parents: 11755
diff changeset
   358
                fca = repo.filectx(f, fileid=nullrev)
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   359
            ms.add(fcl, fco, fca, fd, flags)
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   360
            if f != fd and move:
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   361
                moves.append(f)
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   362
18328
2fee5119099b merge: consistently use repo.wopener.audit instead of creating a new auditor
Mads Kiilerich <mads@kiilerich.com>
parents: 18143
diff changeset
   363
    audit = repo.wopener.audit
14398
ae1f7a5373e8 applyupdates: audit unlinking of renamed files and directories
Adrian Buehlmann <adrian@cadifra.com>
parents: 14232
diff changeset
   364
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   365
    # remove renamed files after safely stored
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   366
    for f in moves:
12032
ad787252fed6 util: remove lexists, Python 2.4 introduced os.path.lexists
Martin Geisler <mg@lazybytes.net>
parents: 12010
diff changeset
   367
        if os.path.lexists(repo.wjoin(f)):
9467
4c041f1ee1b4 do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents: 9048
diff changeset
   368
            repo.ui.debug("removing %s\n" % f)
14398
ae1f7a5373e8 applyupdates: audit unlinking of renamed files and directories
Adrian Buehlmann <adrian@cadifra.com>
parents: 14232
diff changeset
   369
            audit(f)
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   370
            os.unlink(repo.wjoin(f))
5042
f191bc3916f7 merge: do early copy to deal with issue636
Matt Mackall <mpm@selenic.com>
parents: 4997
diff changeset
   371
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   372
    numupdates = len(actions)
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   373
    for i, a in enumerate(actions):
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   374
        f, m = a[:2]
15041
3afe5edda4e3 merge: use repo.ui directly instead local variable
Martin Geisler <mg@aragost.com>
parents: 14980
diff changeset
   375
        repo.ui.progress(_('updating'), i + 1, item=f, total=numupdates,
3afe5edda4e3 merge: use repo.ui directly instead local variable
Martin Geisler <mg@aragost.com>
parents: 14980
diff changeset
   376
                         unit=_('files'))
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   377
        if f and f[0] == "/":
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   378
            continue
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   379
        if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   380
            repo.ui.note(_("removing %s\n") % f)
14398
ae1f7a5373e8 applyupdates: audit unlinking of renamed files and directories
Adrian Buehlmann <adrian@cadifra.com>
parents: 14232
diff changeset
   381
            audit(f)
8814
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   382
            if f == '.hgsubstate': # subrepo states need updating
13322
c19b9282d3a7 subrepo: make update -C clean the working directory for svn subrepos
Erik Zielke <ez@aragost.com>
parents: 12757
diff changeset
   383
                subrepo.submerge(repo, wctx, mctx, wctx, overwrite)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   384
            try:
18143
242d2f4ec01c util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents: 18134
diff changeset
   385
                util.unlinkpath(repo.wjoin(f), ignoremissing=True)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   386
            except OSError, inst:
18143
242d2f4ec01c util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents: 18134
diff changeset
   387
                repo.ui.warn(_("update failed to remove %s: %s!\n") %
242d2f4ec01c util: fold ENOENT check into unlinkpath, controlled by new ignoremissing flag
Mads Kiilerich <madski@unity3d.com>
parents: 18134
diff changeset
   388
                             (f, inst.strerror))
3673
eb0b4a2d70a9 white space and line break cleanups
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3618
diff changeset
   389
            removed += 1
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
   390
        elif m == "m": # merge
8814
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   391
            if f == '.hgsubstate': # subrepo states need updating
16683
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 16551
diff changeset
   392
                subrepo.submerge(repo, wctx, mctx, wctx.ancestor(mctx),
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 16551
diff changeset
   393
                                 overwrite)
8814
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   394
                continue
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   395
            f2, fd, flags, move = a[2:]
18328
2fee5119099b merge: consistently use repo.wopener.audit instead of creating a new auditor
Mads Kiilerich <mads@kiilerich.com>
parents: 18143
diff changeset
   396
            audit(fd)
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
   397
            r = ms.resolve(fd, wctx, mctx)
9030
3f56055ff1d7 compat: can't compare two values of unequal datatypes
Alejandro Santos <alejolp@alejolp.com>
parents: 8814
diff changeset
   398
            if r is not None and r > 0:
3249
f05c182430a0 merge: add rename following
Matt Mackall <mpm@selenic.com>
parents: 3248
diff changeset
   399
                unresolved += 1
3309
e8be5942335d merge: pull file copy/move out of filemerge
Matt Mackall <mpm@selenic.com>
parents: 3308
diff changeset
   400
            else:
3400
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
   401
                if r is None:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
   402
                    updated += 1
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
   403
                else:
d2b55e3c4e25 merge: if filemerge skips merge, report as updated
Matt Mackall <mpm@selenic.com>
parents: 3372
diff changeset
   404
                    merged += 1
13718
5b3383ea67d2 merge: avoid unlinking destination of merge when case changes (issue2715)
Matt Mackall <mpm@selenic.com>
parents: 13550
diff changeset
   405
            if (move and repo.dirstate.normalize(fd) != f
5b3383ea67d2 merge: avoid unlinking destination of merge when case changes (issue2715)
Matt Mackall <mpm@selenic.com>
parents: 13550
diff changeset
   406
                and os.path.lexists(repo.wjoin(f))):
9467
4c041f1ee1b4 do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents: 9048
diff changeset
   407
                repo.ui.debug("removing %s\n" % f)
14398
ae1f7a5373e8 applyupdates: audit unlinking of renamed files and directories
Adrian Buehlmann <adrian@cadifra.com>
parents: 14232
diff changeset
   408
                audit(f)
5042
f191bc3916f7 merge: do early copy to deal with issue636
Matt Mackall <mpm@selenic.com>
parents: 4997
diff changeset
   409
                os.unlink(repo.wjoin(f))
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   410
        elif m == "g": # get
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   411
            flags = a[2]
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   412
            repo.ui.note(_("getting %s\n") % f)
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
   413
            t = mctx.filectx(f).data()
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   414
            repo.wwrite(f, t, flags)
11755
7d2aaeea67ed merge: drop reference to file contents after write
Matt Mackall <mpm@selenic.com>
parents: 11716
diff changeset
   415
            t = None
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   416
            updated += 1
8814
ab668c92a036 subrepo: add update/merge logic
Matt Mackall <mpm@selenic.com>
parents: 8753
diff changeset
   417
            if f == '.hgsubstate': # subrepo states need updating
13322
c19b9282d3a7 subrepo: make update -C clean the working directory for svn subrepos
Erik Zielke <ez@aragost.com>
parents: 12757
diff changeset
   418
                subrepo.submerge(repo, wctx, mctx, wctx, overwrite)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   419
        elif m == "d": # directory rename
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   420
            f2, fd, flags = a[2:]
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   421
            if f:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   422
                repo.ui.note(_("moving %s to %s\n") % (f, fd))
14398
ae1f7a5373e8 applyupdates: audit unlinking of renamed files and directories
Adrian Buehlmann <adrian@cadifra.com>
parents: 14232
diff changeset
   423
                audit(f)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   424
                t = wctx.filectx(f).data()
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   425
                repo.wwrite(fd, t, flags)
13235
6bf39d88c857 rename util.unlink to unlinkpath
Adrian Buehlmann <adrian@cadifra.com>
parents: 13162
diff changeset
   426
                util.unlinkpath(repo.wjoin(f))
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   427
            if f2:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   428
                repo.ui.note(_("getting %s to %s\n") % (f2, fd))
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   429
                t = mctx.filectx(f2).data()
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   430
                repo.wwrite(fd, t, flags)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   431
            updated += 1
4674
723e0ddb6ada merge: warn user about divergent renames
Matt Mackall <mpm@selenic.com>
parents: 4635
diff changeset
   432
        elif m == "dr": # divergent renames
723e0ddb6ada merge: warn user about divergent renames
Matt Mackall <mpm@selenic.com>
parents: 4635
diff changeset
   433
            fl = a[2]
12757
62c8f7691bc3 merge: make 'diverging renames' diagnostic a more helpful note.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 12746
diff changeset
   434
            repo.ui.warn(_("note: possible conflict - %s was renamed "
62c8f7691bc3 merge: make 'diverging renames' diagnostic a more helpful note.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 12746
diff changeset
   435
                           "multiple times to:\n") % f)
4674
723e0ddb6ada merge: warn user about divergent renames
Matt Mackall <mpm@selenic.com>
parents: 4635
diff changeset
   436
            for nf in fl:
723e0ddb6ada merge: warn user about divergent renames
Matt Mackall <mpm@selenic.com>
parents: 4635
diff changeset
   437
                repo.ui.warn(" %s\n" % nf)
16794
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   438
        elif m == "rd": # rename and delete
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   439
            fl = a[2]
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   440
            repo.ui.warn(_("note: possible conflict - %s was deleted "
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   441
                           "and renamed to:\n") % f)
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   442
            for nf in fl:
98687cdddcb1 merge: warn about file deleted in one branch and renamed in other (issue3074)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 16719
diff changeset
   443
                repo.ui.warn(" %s\n" % nf)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   444
        elif m == "e": # exec
4007
20da40cc1c73 symlinks: minimal support for symlinks in merge/update
Matt Mackall <mpm@selenic.com>
parents: 4006
diff changeset
   445
            flags = a[2]
18328
2fee5119099b merge: consistently use repo.wopener.audit instead of creating a new auditor
Mads Kiilerich <mads@kiilerich.com>
parents: 18143
diff changeset
   446
            audit(f)
14232
df2399663392 rename util.set_flags to setflags
Adrian Buehlmann <adrian@cadifra.com>
parents: 14220
diff changeset
   447
            util.setflags(repo.wjoin(f), 'l' in flags, 'x' in flags)
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
   448
    ms.commit()
15041
3afe5edda4e3 merge: use repo.ui directly instead local variable
Martin Geisler <mg@aragost.com>
parents: 14980
diff changeset
   449
    repo.ui.progress(_('updating'), None, total=numupdates, unit=_('files'))
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   450
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   451
    return updated, merged, removed, unresolved
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   452
18035
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   453
def calculateupdates(repo, tctx, mctx, ancestor, branchmerge, force, partial):
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   454
    "Calculate the actions needed to merge mctx into tctx"
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   455
    actions = []
18035
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   456
    folding = not util.checkcase(repo.path)
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   457
    if folding:
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   458
        # collision check is not needed for clean update
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   459
        if (not branchmerge and
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   460
            (force or not tctx.dirty(missing=True, branch=False))):
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   461
            _checkcollision(mctx, None)
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   462
        else:
18042
551e2901192e merge: fix mistake in moved _checkcollision call from 5881d5b7552f
Kevin Bullock <kbullock@ringworld.org>
parents: 18036
diff changeset
   463
            _checkcollision(mctx, (tctx, ancestor))
18035
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   464
    if not force:
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   465
        _checkunknown(repo, tctx, mctx)
18036
8b846dbc57b6 merge: support calculating merge actions against non-working contexts
David Schleimer <dschleimer@fb.com>
parents: 18035
diff changeset
   466
    if tctx.rev() is None:
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   467
        actions += _forgetremoved(tctx, mctx, branchmerge)
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   468
    actions += manifestmerge(repo, tctx, mctx,
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   469
                             ancestor,
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   470
                             force and not branchmerge,
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   471
                             partial)
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   472
    return actions
18035
5881d5b7552f merge: refactor action calculation into function
David Schleimer <dschleimer@fb.com>
parents: 17889
diff changeset
   473
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   474
def recordupdates(repo, actions, branchmerge):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   475
    "record merge actions to the dirstate"
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   476
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   477
    for a in actions:
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   478
        f, m = a[:2]
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   479
        if m == "r": # remove
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   480
            if branchmerge:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   481
                repo.dirstate.remove(f)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   482
            else:
14434
cc8c09855d19 dirstate: rename forget to drop
Matt Mackall <mpm@selenic.com>
parents: 14406
diff changeset
   483
                repo.dirstate.drop(f)
7768
5bf5fd1e2a74 merge: mark kept local files as readded on linear update (issue539)
Matt Mackall <mpm@selenic.com>
parents: 7631
diff changeset
   484
        elif m == "a": # re-add
5bf5fd1e2a74 merge: mark kept local files as readded on linear update (issue539)
Matt Mackall <mpm@selenic.com>
parents: 7631
diff changeset
   485
            if not branchmerge:
5bf5fd1e2a74 merge: mark kept local files as readded on linear update (issue539)
Matt Mackall <mpm@selenic.com>
parents: 7631
diff changeset
   486
                repo.dirstate.add(f)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   487
        elif m == "f": # forget
14434
cc8c09855d19 dirstate: rename forget to drop
Matt Mackall <mpm@selenic.com>
parents: 14406
diff changeset
   488
            repo.dirstate.drop(f)
7569
89207edf3973 correctly update dirstate after update+mode change (issue1456)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7066
diff changeset
   489
        elif m == "e": # exec change
7630
a679bd371091 merge: fix execute bit update issue introduced by 89207edf3973
Patrick Mezard <pmezard@gmail.com>
parents: 7569
diff changeset
   490
            repo.dirstate.normallookup(f)
7569
89207edf3973 correctly update dirstate after update+mode change (issue1456)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7066
diff changeset
   491
        elif m == "g": # get
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   492
            if branchmerge:
10968
7a0d096e221e dirstate: more explicit name, rename normaldirty() to otherparent()
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10492
diff changeset
   493
                repo.dirstate.otherparent(f)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   494
            else:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   495
                repo.dirstate.normal(f)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   496
        elif m == "m": # merge
3303
488d3062d225 merge: eliminate nodes from action list
Matt Mackall <mpm@selenic.com>
parents: 3299
diff changeset
   497
            f2, fd, flag, move = a[2:]
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   498
            if branchmerge:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   499
                # We've done a branch merge, mark this file as merged
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   500
                # so that we properly record the merger later
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   501
                repo.dirstate.merge(fd)
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   502
                if f != f2: # copy/rename
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   503
                    if move:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   504
                        repo.dirstate.remove(f)
3372
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   505
                    if f != fd:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   506
                        repo.dirstate.copy(f, fd)
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   507
                    else:
ba7c74081861 merge: update dirstate correctly for non-branchmerge updates
Matt Mackall <mpm@selenic.com>
parents: 3371
diff changeset
   508
                        repo.dirstate.copy(f2, fd)
3251
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   509
            else:
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   510
                # We've update-merged a locally modified file, so
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   511
                # we set the dirstate to emulate a normal checkout
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   512
                # of that file some time in the past. Thus our
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   513
                # merge will appear as a normal local file
c93ce7f10f85 merge: fixes for merge+rename
Matt Mackall <mpm@selenic.com>
parents: 3249
diff changeset
   514
                # modification.
11178
21a7ae13208f merge: avoid to break the dirstate copy status on moved files
Gilles Moris <gilles.moris@free.fr>
parents: 11101
diff changeset
   515
                if f2 == fd: # file not locally copied/moved
21a7ae13208f merge: avoid to break the dirstate copy status on moved files
Gilles Moris <gilles.moris@free.fr>
parents: 11101
diff changeset
   516
                    repo.dirstate.normallookup(fd)
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
   517
                if move:
14434
cc8c09855d19 dirstate: rename forget to drop
Matt Mackall <mpm@selenic.com>
parents: 14406
diff changeset
   518
                    repo.dirstate.drop(f)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   519
        elif m == "d": # directory rename
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   520
            f2, fd, flag = a[2:]
4819
9797124581c9 merge: fix adding untracked files on directory rename (issue612)
Matt Mackall <mpm@selenic.com>
parents: 4748
diff changeset
   521
            if not f2 and f not in repo.dirstate:
9797124581c9 merge: fix adding untracked files on directory rename (issue612)
Matt Mackall <mpm@selenic.com>
parents: 4748
diff changeset
   522
                # untracked file moved
9797124581c9 merge: fix adding untracked files on directory rename (issue612)
Matt Mackall <mpm@selenic.com>
parents: 4748
diff changeset
   523
                continue
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   524
            if branchmerge:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   525
                repo.dirstate.add(fd)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   526
                if f:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   527
                    repo.dirstate.remove(f)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   528
                    repo.dirstate.copy(f, fd)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   529
                if f2:
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   530
                    repo.dirstate.copy(f2, fd)
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   531
            else:
4904
6fd953d5faea dirstate: break update into separate functions
Matt Mackall <mpm@selenic.com>
parents: 4884
diff changeset
   532
                repo.dirstate.normal(fd)
3733
9e67fecbfd16 merge: handle directory renames
Matt Mackall <mpm@selenic.com>
parents: 3732
diff changeset
   533
                if f:
14434
cc8c09855d19 dirstate: rename forget to drop
Matt Mackall <mpm@selenic.com>
parents: 14406
diff changeset
   534
                    repo.dirstate.drop(f)
3111
5cc62d99b785 merge: move apply and dirstate code into separate functions
Matt Mackall <mpm@selenic.com>
parents: 3110
diff changeset
   535
16696
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   536
def update(repo, node, branchmerge, force, partial, ancestor=None,
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   537
           mergeancestor=False):
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   538
    """
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   539
    Perform a merge between the working directory and the given node
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   540
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   541
    node = the node to update to, or None if unspecified
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   542
    branchmerge = whether to merge between branches
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   543
    force = whether to force branch merging or file overwriting
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   544
    partial = a function to filter file lists (dirstate not updated)
16696
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   545
    mergeancestor = if false, merging with an ancestor (fast-forward)
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   546
      is only allowed between different named branches. This flag
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   547
      is used by rebase extension as a temporary fix and should be
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   548
      avoided in general.
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   549
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   550
    The table below shows all the behaviors of the update command
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   551
    given the -c and -C or no options, whether the working directory
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   552
    is dirty, whether a revision is specified, and the relationship of
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   553
    the parent rev to the target rev (linear, on the same named
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   554
    branch, or on another named branch).
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   555
12279
28e2e3804f2e combine tests
Adrian Buehlmann <adrian@cadifra.com>
parents: 12032
diff changeset
   556
    This logic is tested by test-update-branches.t.
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   557
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   558
    -c  -C  dirty  rev  |  linear   same  cross
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   559
     n   n    n     n   |    ok     (1)     x
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   560
     n   n    n     y   |    ok     ok     ok
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   561
     n   n    y     *   |   merge   (2)    (2)
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   562
     n   y    *     *   |    ---  discard  ---
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   563
     y   n    y     *   |    ---    (3)    ---
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   564
     y   n    n     *   |    ---    ok     ---
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   565
     y   y    *     *   |    ---    (4)    ---
9716
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   566
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   567
    x = can't happen
ea8c207a0f78 update: add comments and test cases for updating across branches
Stuart W Marks <smarks@smarks.org>
parents: 9467
diff changeset
   568
    * = don't-care
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   569
    1 = abort: crosses branches (use 'hg merge' or 'hg update -c')
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   570
    2 = abort: crosses branches (use 'hg merge' to merge or
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   571
                 use 'hg update -C' to discard changes)
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   572
    3 = abort: uncommitted local changes
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   573
    4 = incompatible options (checked in commands.py)
13162
115a9760c382 merge: document some internal return values.
Greg Ward <greg-hg@gerg.ca>
parents: 13158
diff changeset
   574
115a9760c382 merge: document some internal return values.
Greg Ward <greg-hg@gerg.ca>
parents: 13158
diff changeset
   575
    Return the same tuple as applyupdates().
3315
38be819a1225 merge: update some docstrings
Matt Mackall <mpm@selenic.com>
parents: 3314
diff changeset
   576
    """
2815
4870f795f681 Merge: combine force and forcemerge arguments
Matt Mackall <mpm@selenic.com>
parents: 2814
diff changeset
   577
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   578
    onode = node
4917
126f527b3ba3 Make repo locks recursive, eliminate all passing of lock/wlock
Matt Mackall <mpm@selenic.com>
parents: 4915
diff changeset
   579
    wlock = repo.wlock()
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   580
    try:
6747
f6c00b17387c use repo[changeid] to get a changectx
Matt Mackall <mpm@selenic.com>
parents: 6746
diff changeset
   581
        wc = repo[None]
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   582
        if node is None:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   583
            # tip of current branch
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   584
            try:
16719
e7bf09acd410 localrepo: add branchtip() method for faster single-branch lookups
Brodie Rao <brodie@sf.io>
parents: 16696
diff changeset
   585
                node = repo.branchtip(wc.branch())
e7bf09acd410 localrepo: add branchtip() method for faster single-branch lookups
Brodie Rao <brodie@sf.io>
parents: 16696
diff changeset
   586
            except error.RepoLookupError:
5570
78a6b985882f update: default to tipmost branch if default branch doesn't exist
Matt Mackall <mpm@selenic.com>
parents: 5489
diff changeset
   587
                if wc.branch() == "default": # no default branch!
78a6b985882f update: default to tipmost branch if default branch doesn't exist
Matt Mackall <mpm@selenic.com>
parents: 5489
diff changeset
   588
                    node = repo.lookup("tip") # update to tip
78a6b985882f update: default to tipmost branch if default branch doesn't exist
Matt Mackall <mpm@selenic.com>
parents: 5489
diff changeset
   589
                else:
78a6b985882f update: default to tipmost branch if default branch doesn't exist
Matt Mackall <mpm@selenic.com>
parents: 5489
diff changeset
   590
                    raise util.Abort(_("branch %s not found") % wc.branch())
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   591
        overwrite = force and not branchmerge
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   592
        pl = wc.parents()
6747
f6c00b17387c use repo[changeid] to get a changectx
Matt Mackall <mpm@selenic.com>
parents: 6746
diff changeset
   593
        p1, p2 = pl[0], repo[node]
13874
9d67277c9204 merge: add ancestor to the update function
Matt Mackall <mpm@selenic.com>
parents: 13728
diff changeset
   594
        if ancestor:
9d67277c9204 merge: add ancestor to the update function
Matt Mackall <mpm@selenic.com>
parents: 13728
diff changeset
   595
            pa = repo[ancestor]
9d67277c9204 merge: add ancestor to the update function
Matt Mackall <mpm@selenic.com>
parents: 13728
diff changeset
   596
        else:
9d67277c9204 merge: add ancestor to the update function
Matt Mackall <mpm@selenic.com>
parents: 13728
diff changeset
   597
            pa = p1.ancestor(p2)
9d67277c9204 merge: add ancestor to the update function
Matt Mackall <mpm@selenic.com>
parents: 13728
diff changeset
   598
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   599
        fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
3314
b16456909a0a merge: various tidying
Matt Mackall <mpm@selenic.com>
parents: 3312
diff changeset
   600
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   601
        ### check phase
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   602
        if not overwrite and len(pl) > 1:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   603
            raise util.Abort(_("outstanding uncommitted merges"))
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   604
        if branchmerge:
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   605
            if pa == p2:
11417
6f1d1ed3e19a merge: improve merge with ancestor message
Matt Mackall <mpm@selenic.com>
parents: 11178
diff changeset
   606
                raise util.Abort(_("merging with a working directory ancestor"
6f1d1ed3e19a merge: improve merge with ancestor message
Matt Mackall <mpm@selenic.com>
parents: 11178
diff changeset
   607
                                   " has no effect"))
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   608
            elif pa == p1:
16696
d1afbf03e69a rebase: allow collapsing branches in place (issue3111)
Patrick Mezard <patrick@mezard.eu>
parents: 16683
diff changeset
   609
                if not mergeancestor and p1.branch() == p2.branch():
15619
6c8573dd1b6b merge: make 'nothing to merge' aborts consistent
Kevin Bullock <kbullock@ringworld.org>
parents: 15538
diff changeset
   610
                    raise util.Abort(_("nothing to merge"),
6c8573dd1b6b merge: make 'nothing to merge' aborts consistent
Kevin Bullock <kbullock@ringworld.org>
parents: 15538
diff changeset
   611
                                     hint=_("use 'hg update' "
6c8573dd1b6b merge: make 'nothing to merge' aborts consistent
Kevin Bullock <kbullock@ringworld.org>
parents: 15538
diff changeset
   612
                                            "or check 'hg heads'"))
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   613
            if not force and (wc.files() or wc.deleted()):
15619
6c8573dd1b6b merge: make 'nothing to merge' aborts consistent
Kevin Bullock <kbullock@ringworld.org>
parents: 15538
diff changeset
   614
                raise util.Abort(_("outstanding uncommitted changes"),
6c8573dd1b6b merge: make 'nothing to merge' aborts consistent
Kevin Bullock <kbullock@ringworld.org>
parents: 15538
diff changeset
   615
                                 hint=_("use 'hg status' to list changes"))
13437
6169493ac3f9 Do not allow merging with uncommitted changes in a subrepo
Oleg Stepanov <oleg.stepanov@jetbrains.com>
parents: 13400
diff changeset
   616
            for s in wc.substate:
6169493ac3f9 Do not allow merging with uncommitted changes in a subrepo
Oleg Stepanov <oleg.stepanov@jetbrains.com>
parents: 13400
diff changeset
   617
                if wc.sub(s).dirty():
6169493ac3f9 Do not allow merging with uncommitted changes in a subrepo
Oleg Stepanov <oleg.stepanov@jetbrains.com>
parents: 13400
diff changeset
   618
                    raise util.Abort(_("outstanding uncommitted changes in "
6169493ac3f9 Do not allow merging with uncommitted changes in a subrepo
Oleg Stepanov <oleg.stepanov@jetbrains.com>
parents: 13400
diff changeset
   619
                                       "subrepository '%s'") % s)
6169493ac3f9 Do not allow merging with uncommitted changes in a subrepo
Oleg Stepanov <oleg.stepanov@jetbrains.com>
parents: 13400
diff changeset
   620
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   621
        elif not overwrite:
12401
4cdaf1adafc8 backout most of 4f8067c94729
Matt Mackall <mpm@selenic.com>
parents: 12387
diff changeset
   622
            if pa == p1 or pa == p2: # linear
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   623
                pass # all good
14663
88cb01c4575e update: check wc.dirty() before setting overwrite=True
Augie Fackler <durin42@gmail.com>
parents: 14485
diff changeset
   624
            elif wc.dirty(missing=True):
12681
bc13e17067d9 update: use higher level wording for "crosses branches" error
Brodie Rao <brodie@bitheap.org>
parents: 12664
diff changeset
   625
                raise util.Abort(_("crosses branches (merge branches or use"
bc13e17067d9 update: use higher level wording for "crosses branches" error
Brodie Rao <brodie@bitheap.org>
parents: 12664
diff changeset
   626
                                   " --clean to discard changes)"))
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   627
            elif onode is None:
14485
610873cf064a Make pull -u behave like pull && update
Brendan Cully <brendan@kublai.com>
parents: 14434
diff changeset
   628
                raise util.Abort(_("crosses branches (merge branches or update"
12681
bc13e17067d9 update: use higher level wording for "crosses branches" error
Brodie Rao <brodie@bitheap.org>
parents: 12664
diff changeset
   629
                                   " --check to force update)"))
6375
cdc458b12f0f update: better logic and messages for updates
Matt Mackall <mpm@selenic.com>
parents: 6350
diff changeset
   630
            else:
9717
68a1b9d0663e update: allow branch crossing without -c or -C, with no uncommitted changes
Stuart W Marks <smarks@smarks.org>
parents: 9716
diff changeset
   631
                # Allow jumping branches if clean and specific rev given
16092
914bc95e227b update: use normal update path with --check (issue2450)
Matt Mackall <mpm@selenic.com>
parents: 16001
diff changeset
   632
                pa = p1
2814
0f787997e3c2 Merge: move most tests to the beginning
Matt Mackall <mpm@selenic.com>
parents: 2813
diff changeset
   633
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   634
        ### calculate phase
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   635
        actions = calculateupdates(repo, wc, p2, pa,
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   636
                                   branchmerge, force, partial)
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   637
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   638
        ### apply phase
13550
1792b8a9422b merge: back out single-parent fast-forward merge
Matt Mackall <mpm@selenic.com>
parents: 13536
diff changeset
   639
        if not branchmerge: # just jump to the new rev
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   640
            fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   641
        if not partial:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   642
            repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   643
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   644
        stats = applyupdates(repo, actions, wc, p2, pa, overwrite)
2899
8743188f4d2e merge: consolidate dirstate updates
Matt Mackall <mpm@selenic.com>
parents: 2898
diff changeset
   645
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   646
        if not partial:
16551
ebf6d38c9063 localrepo: add setparents() to adjust dirstate copies (issue3407)
Patrick Mezard <patrick@mezard.eu>
parents: 16534
diff changeset
   647
            repo.setparents(fp1, fp2)
18330
b717f49833a2 merge: rename list of actions from action to actions
Mads Kiilerich <mads@kiilerich.com>
parents: 18329
diff changeset
   648
            recordupdates(repo, actions, branchmerge)
13561
0ab0ceefddf2 merge: remove last traces of fastforward merging
Mads Kiilerich <mads@kiilerich.com>
parents: 13550
diff changeset
   649
            if not branchmerge:
4915
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   650
                repo.dirstate.setbranch(p2.branch())
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4904
diff changeset
   651
    finally:
8109
496ae1ea4698 switch lock releasing in the core from gc to explicit
Ronny Pfannschmidt <Ronny.Pfannschmidt@gmx.de>
parents: 7848
diff changeset
   652
        wlock.release()
10492
0e64d814d7d0 run commit and update hooks after command completion (issue1827)
Sune Foldager <cryo@cyanite.org>
parents: 10431
diff changeset
   653
0e64d814d7d0 run commit and update hooks after command completion (issue1827)
Sune Foldager <cryo@cyanite.org>
parents: 10431
diff changeset
   654
    if not partial:
0e64d814d7d0 run commit and update hooks after command completion (issue1827)
Sune Foldager <cryo@cyanite.org>
parents: 10431
diff changeset
   655
        repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
0e64d814d7d0 run commit and update hooks after command completion (issue1827)
Sune Foldager <cryo@cyanite.org>
parents: 10431
diff changeset
   656
    return stats