author | Thomas Arendsen Hein <thomas@intevation.de> |
Thu, 01 Jun 2006 18:36:32 +0200 | |
changeset 2361 | d3adb454c5a9 |
parent 2338 | 391c5d0f9ef3 |
child 2675 | d99a92b7acad |
permissions | -rw-r--r-- |
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# extdiff.py - external diff program support for mercurial |
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# |
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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# |
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# This software may be used and distributed according to the terms |
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# of the GNU General Public License, incorporated herein by reference. |
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# |
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# allow to use external programs to compare revisions, or revision |
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# with working dir. program is called with two arguments: paths to |
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# directories containing snapshots of files to compare. |
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# |
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new extension: extdiff. allows to use external diff program.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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# to enable: |
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# |
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parents:
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# [extensions] |
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# hgext.extdiff = |
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# |
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# also allows to configure new diff commands, so you do not need to |
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# type "hg extdiff -p kdiff3" always. |
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# |
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# [extdiff] |
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# # add new command called vdiff, runs kdiff3 |
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# cmd.vdiff = kdiff3 |
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# # add new command called meld, runs meld (no need to name twice) |
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# cmd.meld = |
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# |
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# you can use -I/-X and list of file or directory names like normal |
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# "hg diff" command. extdiff makes snapshots of only needed files, so |
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# compare program will be fast. |
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|
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from mercurial.demandload import demandload |
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from mercurial.i18n import gettext as _ |
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from mercurial.node import * |
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demandload(globals(), 'mercurial:commands,util os shutil tempfile') |
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|
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def dodiff(ui, repo, diffcmd, pats, opts): |
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def snapshot_node(files, node): |
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'''snapshot files as of some revision''' |
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changes = repo.changelog.read(node) |
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mf = repo.manifest.read(changes[0]) |
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dirname = '%s.%s' % (os.path.basename(repo.root), short(node)) |
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base = os.path.join(tmproot, dirname) |
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os.mkdir(base) |
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if not ui.quiet: |
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ui.write_err(_('making snapshot of %d files from rev %s\n') % |
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(len(files), short(node))) |
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for fn in files: |
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wfn = util.pconvert(fn) |
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ui.note(' %s\n' % wfn) |
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dest = os.path.join(base, wfn) |
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destdir = os.path.dirname(dest) |
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if not os.path.isdir(destdir): |
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os.makedirs(destdir) |
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repo.wwrite(wfn, repo.file(fn).read(mf[fn]), open(dest, 'w')) |
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return dirname |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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|
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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def snapshot_wdir(files): |
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'''snapshot files from working directory. |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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if not using snapshot, -I/-X does not work and recursive diff |
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in tools like kdiff3 and meld displays too many files.''' |
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dirname = os.path.basename(repo.root) |
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base = os.path.join(tmproot, dirname) |
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os.mkdir(base) |
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if not ui.quiet: |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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ui.write_err(_('making snapshot of %d files from working dir\n') % |
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(len(files))) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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for fn in files: |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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wfn = util.pconvert(fn) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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ui.note(' %s\n' % wfn) |
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dest = os.path.join(base, wfn) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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destdir = os.path.dirname(dest) |
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parents:
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if not os.path.isdir(destdir): |
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os.makedirs(destdir) |
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fp = open(dest, 'w') |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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for chunk in util.filechunkiter(repo.wopener(wfn)): |
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fp.write(chunk) |
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return dirname |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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|
de0c05afa511
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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node1, node2 = commands.revpair(ui, repo, opts['rev']) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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files, matchfn, anypats = commands.matchpats(repo, pats, opts) |
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modified, added, removed, deleted, unknown = repo.changes( |
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node1, node2, files, match=matchfn) |
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if not (modified or added or removed): |
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return 0 |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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|
de0c05afa511
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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tmproot = tempfile.mkdtemp(prefix='extdiff.') |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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try: |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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dir1 = snapshot_node(modified + removed, node1) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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if node2: |
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dir2 = snapshot_node(modified + added, node2) |
de0c05afa511
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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else: |
de0c05afa511
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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dir2 = snapshot_wdir(modified + added) |
de0c05afa511
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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util.system('%s %s "%s" "%s"' % |
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(diffcmd, ' '.join(opts['option']), dir1, dir2), |
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cwd=tmproot) |
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return 1 |
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finally: |
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ui.note(_('cleaning up temp directory\n')) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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shutil.rmtree(tmproot) |
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|
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def extdiff(ui, repo, *pats, **opts): |
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'''use external program to diff repository (or selected files) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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Show differences between revisions for the specified files, using |
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Minor typo change to reflect actual values used.
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an external program. The default program used is "diff -Npru". |
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To select a different program, use the -p option. The program |
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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will be passed the names of two directories to compare. To pass |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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additional options to the program, use the -o option. These will |
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be passed before the names of the directories to compare. |
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109 |
|
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When two revision arguments are given, then changes are |
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111 |
shown between those revisions. If only one revision is |
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112 |
specified then that revision is compared to the working |
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113 |
directory, and, when no revisions are specified, the |
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114 |
working directory files are compared to its parent.''' |
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return dodiff(ui, repo, opts['program'] or 'diff -Npru', pats, opts) |
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116 |
|
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cmdtable = { |
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"extdiff": |
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119 |
(extdiff, |
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[('p', 'program', '', _('comparison program to run')), |
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('o', 'option', [], _('pass option to comparison program')), |
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('r', 'rev', [], _('revision')), |
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('I', 'include', [], _('include names matching the given patterns')), |
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('X', 'exclude', [], _('exclude names matching the given patterns'))], |
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_('hg extdiff [OPT]... [FILE]...')), |
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} |
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127 |
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def uisetup(ui): |
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for cmd, path in ui.configitems('extdiff'): |
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if not cmd.startswith('cmd.'): continue |
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cmd = cmd[4:] |
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if not path: path = cmd |
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def save(cmd, path): |
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'''use closure to save diff command to use''' |
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def mydiff(ui, repo, *pats, **opts): |
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return dodiff(ui, repo, path, pats, opts) |
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mydiff.__doc__ = '''use %s to diff repository (or selected files) |
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138 |
|
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Show differences between revisions for the specified |
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140 |
files, using the %s program. |
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141 |
|
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142 |
When two revision arguments are given, then changes are |
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shown between those revisions. If only one revision is |
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144 |
specified then that revision is compared to the working |
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145 |
directory, and, when no revisions are specified, the |
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working directory files are compared to its parent.''' % (cmd, cmd) |
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147 |
return mydiff |
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cmdtable[cmd] = (save(cmd, path), |
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cmdtable['extdiff'][1][1:], |
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_('hg %s [OPT]... [FILE]...') % cmd) |