hgext/hgk.py
author Matt Mackall <mpm@selenic.com>
Mon, 10 Dec 2007 10:24:21 -0600
changeset 5636 7e6ddde68a23
parent 5395 e73a83af7926
child 5760 0145f9afb0e7
permissions -rw-r--r--
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# Minimal support for git commands on an hg repository
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#
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# Copyright 2005, 2006 Chris Mason <mason@suse.com>
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#
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# This software may be used and distributed according to the terms
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# of the GNU General Public License, incorporated herein by reference.
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#
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# The hgk extension allows browsing the history of a repository in a
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# graphical way. It requires Tcl/Tk version 8.4 or later. (Tcl/Tk is
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# not distributed with Mercurial.)
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#
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# hgk consists of two parts: a Tcl script that does the displaying and
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# querying of information, and an extension to mercurial named hgk.py,
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# which provides hooks for hgk to get information. hgk can be found in
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# the contrib directory, and hgk.py can be found in the hgext
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# directory.  
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#
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# To load the hgext.py extension, add it to your .hgrc file (you have
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# to use your global $HOME/.hgrc file, not one in a repository). You
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# can specify an absolute path:
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#
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#   [extensions]
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#   hgk=/usr/local/lib/hgk.py
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#
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# Mercurial can also scan the default python library path for a file
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# named 'hgk.py' if you set hgk empty:
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#
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#   [extensions]
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#   hgk=
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#
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# The hg view command will launch the hgk Tcl script. For this command
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# to work, hgk must be in your search path. Alternately, you can
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# specify the path to hgk in your .hgrc file:
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#
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#   [hgk]
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#   path=/location/of/hgk
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#
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# hgk can make use of the extdiff extension to visualize
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# revisions. Assuming you had already configured extdiff vdiff
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# command, just add:
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#
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#   [hgk]
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#   vdiff=vdiff
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#
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# Revisions context menu will now display additional entries to fire
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# vdiff on hovered and selected revisions.
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import sys, os
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from mercurial import hg, fancyopts, commands, ui, util, patch, revlog
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def difftree(ui, repo, node1=None, node2=None, *files, **opts):
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    """diff trees from two commits"""
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    def __difftree(repo, node1, node2, files=[]):
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        assert node2 is not None
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        mmap = repo.changectx(node1).manifest()
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        mmap2 = repo.changectx(node2).manifest()
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        status = repo.status(node1, node2, files=files)[:5]
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        modified, added, removed, deleted, unknown = status
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        empty = hg.short(hg.nullid)
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        for f in modified:
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            # TODO get file permissions
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            print ":100664 100664 %s %s M\t%s\t%s" % (hg.short(mmap[f]),
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                                                      hg.short(mmap2[f]),
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                                                      f, f)
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        for f in added:
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            print ":000000 100664 %s %s N\t%s\t%s" % (empty,
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                                                      hg.short(mmap2[f]),
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                                                      f, f)
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        for f in removed:
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            print ":100664 000000 %s %s D\t%s\t%s" % (hg.short(mmap[f]),
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                                                      empty,
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                                                      f, f)
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    ##
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    while True:
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        if opts['stdin']:
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            try:
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                line = raw_input().split(' ')
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                node1 = line[0]
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                if len(line) > 1:
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                    node2 = line[1]
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                else:
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                    node2 = None
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            except EOFError:
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                break
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        node1 = repo.lookup(node1)
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        if node2:
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            node2 = repo.lookup(node2)
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        else:
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            node2 = node1
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            node1 = repo.changelog.parents(node1)[0]
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        if opts['patch']:
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            if opts['pretty']:
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                catcommit(repo, node2, "")
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            patch.diff(repo, node1, node2,
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                       files=files,
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                       opts=patch.diffopts(ui, {'git': True}))
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        else:
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            __difftree(repo, node1, node2, files=files)
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        if not opts['stdin']:
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            break
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def catcommit(repo, n, prefix, ctx=None):
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    nlprefix = '\n' + prefix;
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    if ctx is None:
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        ctx = repo.changectx(n)
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    (p1, p2) = ctx.parents()
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    print "tree %s" % (hg.short(ctx.changeset()[0])) # use ctx.node() instead ??
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    if p1: print "parent %s" % (hg.short(p1.node()))
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    if p2: print "parent %s" % (hg.short(p2.node()))
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    date = ctx.date()
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    description = ctx.description().replace("\0", "")
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    lines = description.splitlines()
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    if lines and lines[-1].startswith('committer:'):
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        committer = lines[-1].split(': ')[1].rstrip()
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    else:
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        committer = ctx.user()
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    print "author %s %s %s" % (ctx.user(), int(date[0]), date[1])
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    print "committer %s %s %s" % (committer, int(date[0]), date[1])
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    print "revision %d" % ctx.rev()
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    print ""
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    if prefix != "":
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   126
        print "%s%s" % (prefix, description.replace('\n', nlprefix).strip())
267
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   127
    else:
3979
e0d13267f7a4 hgk: use contexts
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parents: 3978
diff changeset
   128
        print description
1239
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parents: 740
diff changeset
   129
    if prefix:
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parents: 740
diff changeset
   130
        sys.stdout.write('\0')
267
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diff changeset
   131
1239
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diff changeset
   132
def base(ui, repo, node1, node2):
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parents: 740
diff changeset
   133
    """Output common ancestor information"""
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diff changeset
   134
    node1 = repo.lookup(node1)
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diff changeset
   135
    node2 = repo.lookup(node2)
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parents: 740
diff changeset
   136
    n = repo.changelog.ancestor(node1, node2)
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   137
    print hg.short(n)
267
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parents:
diff changeset
   138
1239
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parents: 740
diff changeset
   139
def catfile(ui, repo, type=None, r=None, **opts):
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parents: 740
diff changeset
   140
    """cat a specific revision"""
267
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parents:
diff changeset
   141
    # in stdin mode, every line except the commit is prefixed with two
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diff changeset
   142
    # spaces.  This way the our caller can find the commit without magic
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   143
    # strings
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   144
    #
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   145
    prefix = ""
1239
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diff changeset
   146
    if opts['stdin']:
334
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parents: 280
diff changeset
   147
        try:
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   148
            (type, r) = raw_input().split(' ');
1239
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diff changeset
   149
            prefix = "    "
334
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diff changeset
   150
        except EOFError:
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diff changeset
   151
            return
267
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   152
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parents:
diff changeset
   153
    else:
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parents: 740
diff changeset
   154
        if not type or not r:
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diff changeset
   155
            ui.warn("cat-file: type or revision not supplied\n")
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diff changeset
   156
            commands.help_(ui, 'cat-file')
267
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diff changeset
   157
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   158
    while r:
334
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parents: 280
diff changeset
   159
        if type != "commit":
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   160
            sys.stderr.write("aborting hg cat-file only understands commits\n")
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   161
            sys.exit(1);
720
095dd8c757e0 Change hgit revision lookup to use repo.lookup
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parents: 719
diff changeset
   162
        n = repo.lookup(r)
334
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parents: 280
diff changeset
   163
        catcommit(repo, n, prefix)
1239
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parents: 740
diff changeset
   164
        if opts['stdin']:
334
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parents: 280
diff changeset
   165
            try:
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   166
                (type, r) = raw_input().split(' ');
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   167
            except EOFError:
290574209284 hgit: remove tabs
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parents: 280
diff changeset
   168
                break
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   169
        else:
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parents: 280
diff changeset
   170
            break
267
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parents:
diff changeset
   171
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   172
# git rev-tree is a confusing thing.  You can supply a number of
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   173
# commit sha1s on the command line, and it walks the commit history
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   174
# telling you which commits are reachable from the supplied ones via
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   175
# a bitmask based on arg position.
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   176
# you can specify a commit to stop at by starting the sha1 with ^
1239
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   177
def revtree(args, repo, full="tree", maxnr=0, parents=False):
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mason@suse.com
parents: 740
diff changeset
   178
    def chlogwalk():
3979
e0d13267f7a4 hgk: use contexts
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   179
        count = repo.changelog.count()
1239
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parents: 740
diff changeset
   180
        i = count
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parents: 740
diff changeset
   181
        l = [0] * 100
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parents: 740
diff changeset
   182
        chunk = 100
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parents: 740
diff changeset
   183
        while True:
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parents: 740
diff changeset
   184
            if chunk > i:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
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parents: 740
diff changeset
   185
                chunk = i
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
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parents: 740
diff changeset
   186
                i = 0
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parents: 740
diff changeset
   187
            else:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
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parents: 740
diff changeset
   188
                i -= chunk
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
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parents: 740
diff changeset
   189
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   190
            for x in xrange(0, chunk):
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   191
                if i + x >= count:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   192
                    l[chunk - x:] = [0] * (chunk - x)
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   193
                    break
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   194
                if full != None:
3979
e0d13267f7a4 hgk: use contexts
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   195
                    l[x] = repo.changectx(i + x)
3981
180670f14045 hgk: (re)optimize reading of changelog and manifest
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3979
diff changeset
   196
                    l[x].changeset() # force reading
1239
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   197
                else:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   198
                    l[x] = 1
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   199
            for x in xrange(chunk-1, -1, -1):
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   200
                if l[x] != 0:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   201
                    yield (i + x, full != None and l[x] or None)
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
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parents: 740
diff changeset
   202
            if i == 0:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   203
                break
1308
2073e5a71008 Cleanup of tabs and trailing spaces.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1278
diff changeset
   204
267
497aa6d276d2 Initial import of hgit and hgk
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parents:
diff changeset
   205
    # calculate and return the reachability bitmask for sha
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   206
    def is_reachable(ar, reachable, sha):
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   207
        if len(ar) == 0:
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   208
            return 1
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   209
        mask = 0
3473
0e68608bd11d use xrange instead of range
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3180
diff changeset
   210
        for i in xrange(len(ar)):
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   211
            if sha in reachable[i]:
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   212
                mask |= 1 << i
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   213
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   214
        return mask
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   215
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   216
    reachable = []
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   217
    stop_sha1 = []
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   218
    want_sha1 = []
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   219
    count = 0
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   220
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   221
    # figure out which commits they are asking for and which ones they
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   222
    # want us to stop on
3473
0e68608bd11d use xrange instead of range
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3180
diff changeset
   223
    for i in xrange(len(args)):
720
095dd8c757e0 Change hgit revision lookup to use repo.lookup
mason@suse.com
parents: 719
diff changeset
   224
        if args[i].startswith('^'):
095dd8c757e0 Change hgit revision lookup to use repo.lookup
mason@suse.com
parents: 719
diff changeset
   225
            s = repo.lookup(args[i][1:])
095dd8c757e0 Change hgit revision lookup to use repo.lookup
mason@suse.com
parents: 719
diff changeset
   226
            stop_sha1.append(s)
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   227
            want_sha1.append(s)
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   228
        elif args[i] != 'HEAD':
720
095dd8c757e0 Change hgit revision lookup to use repo.lookup
mason@suse.com
parents: 719
diff changeset
   229
            want_sha1.append(repo.lookup(args[i]))
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   230
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   231
    # calculate the graph for the supplied commits
3473
0e68608bd11d use xrange instead of range
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3180
diff changeset
   232
    for i in xrange(len(want_sha1)):
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   233
        reachable.append({});
720
095dd8c757e0 Change hgit revision lookup to use repo.lookup
mason@suse.com
parents: 719
diff changeset
   234
        n = want_sha1[i];
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   235
        visit = [n];
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   236
        reachable[i][n] = 1
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   237
        while visit:
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   238
            n = visit.pop(0)
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   239
            if n in stop_sha1:
1243
9d10f89b75a5 Fix hgit revtree bug with stop revision handling
root@coffee.suse.com
parents: 1239
diff changeset
   240
                continue
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   241
            for p in repo.changelog.parents(n):
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   242
                if p not in reachable[i]:
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   243
                    reachable[i][p] = 1
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   244
                    visit.append(p)
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   245
                if p in stop_sha1:
1243
9d10f89b75a5 Fix hgit revtree bug with stop revision handling
root@coffee.suse.com
parents: 1239
diff changeset
   246
                    continue
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   247
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   248
    # walk the repository looking for commits that are in our
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   249
    # reachability graph
3979
e0d13267f7a4 hgk: use contexts
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   250
    for i, ctx in chlogwalk():
334
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   251
        n = repo.changelog.node(i)
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   252
        mask = is_reachable(want_sha1, reachable, n)
290574209284 hgit: remove tabs
mpm@selenic.com
parents: 280
diff changeset
   253
        if mask:
1239
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   254
            parentstr = ""
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   255
            if parents:
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   256
                pp = repo.changelog.parents(n)
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   257
                if pp[0] != hg.nullid:
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   258
                    parentstr += " " + hg.short(pp[0])
1239
29f17e083e84 Turn hgit into an extension, and add commands supporting the latest gitk
mason@suse.com
parents: 740
diff changeset
   259
                if pp[1] != hg.nullid:
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   260
                    parentstr += " " + hg.short(pp[1])
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   261
            if not full:
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   262
                print hg.short(n) + parentstr
3064
fe5c92529d1c hgk.py: fix warnings from pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3063
diff changeset
   263
            elif full == "commit":
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   264
                print hg.short(n) + parentstr
3979
e0d13267f7a4 hgk: use contexts
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   265
                catcommit(repo, n, '    ', ctx)
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   266
            else:
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   267
                (p1, p2) = repo.changelog.parents(n)
3059
3dab573a4330 hgk: use short changeset hashes
TK Soh <teekaysoh@yahoo.com>
parents: 3012
diff changeset
   268
                (h, h1, h2) = map(hg.short, (n, p1, p2))
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   269
                (i1, i2) = map(repo.changelog.rev, (p1, p2))
267
497aa6d276d2 Initial import of hgit and hgk
mpm@selenic.com
parents:
diff changeset
   270
3979
e0d13267f7a4 hgk: use contexts
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3978
diff changeset
   271
                date = ctx.date()[0]
356
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   272
                print "%s %s:%s" % (date, h, mask),
7dec9a46d82a hgit rev-list support
mpm@selenic.com
parents: 350
diff changeset
   273
                mask = is_reachable(want_sha1, reachable, p1)
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                if i1 != hg.nullrev and mask > 0:
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                    print "%s:%s " % (h1, mask),
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                mask = is_reachable(want_sha1, reachable, p2)
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                if i2 != hg.nullrev and mask > 0:
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                    print "%s:%s " % (h2, mask),
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                print ""
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            if maxnr and count >= maxnr:
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                break
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            count += 1
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def revparse(ui, repo, *revs, **opts):
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    """Parse given revisions"""
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    def revstr(rev):
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        if rev == 'HEAD':
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            rev = 'tip'
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        return revlog.hex(repo.lookup(rev))
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    for r in revs:
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        revrange = r.split(':', 1)
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        ui.write('%s\n' % revstr(revrange[0]))
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        if len(revrange) == 2:
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            ui.write('^%s\n' % revstr(revrange[1]))
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# git rev-list tries to order things by date, and has the ability to stop
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# at a given commit without walking the whole repo.  TODO add the stop
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# parameter
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def revlist(ui, repo, *revs, **opts):
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    """print revisions"""
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    if opts['header']:
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        full = "commit"
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    else:
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        full = None
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    copy = [x for x in revs]
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    revtree(copy, repo, full, opts['max_count'], opts['parents'])
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def config(ui, repo, **opts):
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    """print extension options"""
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    def writeopt(name, value):
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        ui.write('k=%s\nv=%s\n' % (name, value)) 
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    writeopt('vdiff', ui.config('hgk', 'vdiff', ''))
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def view(ui, repo, *etc, **opts):
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    "start interactive history viewer"
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    os.chdir(repo.root)
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    optstr = ' '.join(['--%s %s' % (k, v) for k, v in opts.iteritems() if v])
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    cmd = ui.config("hgk", "path", "hgk") + " %s %s" % (optstr, " ".join(etc))
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    ui.debug("running %s\n" % cmd)
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    util.system(cmd)
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cmdtable = {
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    "^view":
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        (view,
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         [('l', 'limit', '', 'limit number of changes displayed')],
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         'hg view [-l LIMIT] [REVRANGE]'),
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    "debug-diff-tree":
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        (difftree,
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         [('p', 'patch', None, 'generate patch'),
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          ('r', 'recursive', None, 'recursive'),
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          ('P', 'pretty', None, 'pretty'),
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          ('s', 'stdin', None, 'stdin'),
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          ('C', 'copy', None, 'detect copies'),
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          ('S', 'search', "", 'search')],
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         'hg git-diff-tree [OPTION]... NODE1 NODE2 [FILE]...'),
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    "debug-cat-file":
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        (catfile,
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         [('s', 'stdin', None, 'stdin')],
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         'hg debug-cat-file [OPTION]... TYPE FILE'),
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    "debug-config":
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        (config, [], 'hg debug-config'),
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    "debug-merge-base":
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        (base, [], 'hg debug-merge-base node node'),
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    "debug-rev-parse":
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        (revparse,
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         [('', 'default', '', 'ignored')],
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         'hg debug-rev-parse REV'),
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    "debug-rev-list":
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        (revlist,
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         [('H', 'header', None, 'header'),
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          ('t', 'topo-order', None, 'topo-order'),
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          ('p', 'parents', None, 'parents'),
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          ('n', 'max-count', 0, 'max-count')],
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         'hg debug-rev-list [options] revs'),
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}