#!/usr/bin/env python

#

# mercurial - a minimal scalable distributed SCM

# v0.5b "katje"

#

# Copyright 2005 Matt Mackall <mpm@selenic.com>

#

# This software may be used and distributed according to the terms

# of the GNU General Public License, incorporated herein by reference.

# the psyco compiler makes commits a bit faster

# and makes changegroup merge about 20 times slower!

# try:

#    import psyco

#    psyco.full()

# except:

#    pass

from mercurial import hg, mdiff, fancyopts, ui, commands

try:

    sys.exit(commands.dispatch(sys.argv[1:]))

except commands.UnknownCommand:

    # fall through

    pass

options = {}

opts = [('v', 'verbose', None, 'verbose'),

        ('d', 'debug', None, 'debug'),

        ('q', 'quiet', None, 'quiet'),

        ('y', 'noninteractive', None, 'run non-interactively'),

        ]

args = fancyopts.fancyopts(sys.argv[1:], opts, options,

                           'hg [options] <command> [command options] [files]')

try:

    cmd = args[0]

    args = args[1:]

except:

    cmd = "help"

ui = ui.ui(options["verbose"], options["debug"], options["quiet"],

           not options["noninteractive"])

try:

    repo = hg.repository(ui=ui)

except IOError:

    ui.warn("Unable to open repository\n")

    sys.exit(0)

    newer = repo.newer(map(repo.lookup, args))

    for chunk in repo.changegroup(newer):

        sys.stdout.write(chunk)

elif cmd == "debugaddchangegroup":

    data = sys.stdin.read()

    repo.addchangegroup(data)

elif cmd == "dump":

    if args:

        r = repo.file(args[0])

        n = r.tip()

        if len(args) > 1: n = r.lookup(args[1])

        sys.stdout.write(r.read(n))

    else:

        print "missing filename"

elif cmd == "dumpmanifest":

    n = repo.manifest.tip()

    if len(args) > 0:

        n = repo.manifest.lookup(args[0])

    m = repo.manifest.read(n)

    files = m.keys()

    files.sort()

    for f in files:

        print hg.hex(m[f]), f

elif cmd == "debugindex":

    if ".hg" not in args[0]:

        args[0] = ".hg/data/" + repo.file(args[0]).encodepath(args[0]) + "i"

    r = hg.revlog(open, args[0], "")

    print "   rev    offset  length   base linkrev"+\

          " p1           p2           nodeid"

    for i in range(r.count()):

        e = r.index[i]

        print "% 6d % 9d % 7d % 6d % 7d %s.. %s.. %s.." % (

            i, e[0], e[1], e[2], e[3],

            hg.hex(e[4][:5]), hg.hex(e[5][:5]), hg.hex(e[6][:5]))

elif cmd == "debugindexdot":

    if ".hg" not in args[0]:

        args[0] = ".hg/data/" + repo.file(args[0]).encodepath(args[0]) + "i"

    r = hg.revlog(open, args[0], "")

    print "digraph G {"

    for i in range(r.count()):

        e = r.index[i]

        print "\t%d -> %d" % (r.rev(e[4]), i)

        if e[5] != hg.nullid:

            print "\t%d -> %d" % (r.rev(e[5]), i)

    print "}"

elif cmd == "tags":

    repo.lookup(0) # prime the cache

    i = repo.tags.items()

    i.sort()

    for k, n in i:

        try:

            r = repo.changelog.rev(n)

        except KeyError:

            r = "?"

        print "%-30s %5d:%s" % (k, repo.changelog.rev(n), hg.hex(n))

elif cmd == "verify":

    filelinkrevs = {}

    filenodes = {}

    manifestchangeset = {}

    changesets = revisions = files = 0

    errors = 0

    ui.status("checking changesets\n")

    for i in range(repo.changelog.count()):

        changesets += 1

        n = repo.changelog.node(i)

        for p in repo.changelog.parents(n):

            if p not in repo.changelog.nodemap:

                ui.warn("changeset %s has unknown parent %s\n" %

                        (hg.short(n), hg.short(p)))

                errors += 1

        try:

            changes = repo.changelog.read(n)

        except Exception, inst:

            ui.warn("unpacking changeset %s: %s\n" % (short(n), inst))

            errors += 1

        manifestchangeset[changes[0]] = n

        for f in changes[3]:

            filelinkrevs.setdefault(f, []).append(i)

    ui.status("checking manifests\n")

    for i in range(repo.manifest.count()):

        n = repo.manifest.node(i)

        for p in repo.manifest.parents(n):

            if p not in repo.manifest.nodemap:

                ui.warn("manifest %s has unknown parent %s\n" %

                        (hg.short(n), hg.short(p)))

                errors += 1

        ca = repo.changelog.node(repo.manifest.linkrev(n))

        cc = manifestchangeset[n]

        if ca != cc:

            ui.warn("manifest %s points to %s, not %s\n" %

                    (hg.hex(n), hg.hex(ca), hg.hex(cc)))

            errors += 1

        try:

            delta = mdiff.patchtext(repo.manifest.delta(n))

        except KeyboardInterrupt:

            print "aborted"

            sys.exit(0)

        except Exception, inst:

            ui.warn("unpacking manifest %s: %s\n" % (hg.short(n), inst))

            errors += 1

        ff = [ l.split('\0') for l in delta.splitlines() ]

        for f, fn in ff:

            filenodes.setdefault(f, {})[hg.bin(fn)] = 1

    ui.status("crosschecking files in changesets and manifests\n")

    for f in filenodes:

        if f not in filelinkrevs:

            ui.warn("file %s in manifest but not in changesets\n" % f)

            errors += 1

    for f in filelinkrevs:

        if f not in filenodes:

            ui.warn("file %s in changeset but not in manifest\n" % f)

            errors += 1

    ui.status("checking files\n")

    ff = filenodes.keys()

    ff.sort()

    for f in ff:

        if f == "/dev/null": continue

        files += 1

        fl = repo.file(f)

        nodes = { hg.nullid: 1 }

        for i in range(fl.count()):

            revisions += 1

            n = fl.node(i)

            if n not in filenodes[f]:

                ui.warn("%s: %d:%s not in manifests\n" % (f, i, hg.short(n)))

                print len(filenodes[f].keys()), fl.count(), f

                errors += 1

            else:

                del filenodes[f][n]

            flr = fl.linkrev(n)

            if flr not in filelinkrevs[f]:

                ui.warn("%s:%s points to unexpected changeset rev %d\n"

                        % (f, hg.short(n), fl.linkrev(n)))

                errors += 1

            else:

                filelinkrevs[f].remove(flr)

            # verify contents

            try:

                t = fl.read(n)

            except Exception, inst:

                ui.warn("unpacking file %s %s: %s\n" % (f, hg.short(n), inst))

                errors += 1

            # verify parents

            (p1, p2) = fl.parents(n)

            if p1 not in nodes:

                ui.warn("file %s:%s unknown parent 1 %s" %

                        (f, hg.short(n), hg.short(p1)))

                errors += 1

            if p2 not in nodes:

                ui.warn("file %s:%s unknown parent 2 %s" %

                        (f, hg.short(n), hg.short(p1)))

                errors += 1

            nodes[n] = 1

        # cross-check

        for node in filenodes[f]:

            ui.warn("node %s in manifests not in %s\n" % (hg.hex(n), f))

            errors += 1

    ui.status("%d files, %d changesets, %d total revisions\n" %

              (files, changesets, revisions))

    if errors:

        ui.warn("%d integrity errors encountered!\n" % errors)

        sys.exit(1)

else:

    if cmd: ui.warn("unknown command\n\n")

    sys.exit(1)