+
−from hgkw import kwutil
+
−from mercurial.i18n import _
+
−from mercurial import cmdutil, commands, util
+
−import re, sys
+
−
+
−def pretxnkw(ui, repo, hooktype, **args):
+
−    '''Collects candidates for keyword expansion on commit
+
−    and expands keywords in working dir.
+
−    NOTE: for use in combination with hgext.keyword!'''
+
−
+
−    if hooktype != 'pretxncommit':
+
−        # bail out with error
+
−        return True
+
−
+
−    # reparse args, opts again as pretxncommit hook is silent about them
+
−    cmd, sysargs, globalopts, cmdopts = commands.parse(ui, sys.argv[1:])[1:]
+
−    # exclude tag and import
+
−    if repr(cmd).split()[1] in ('tag', 'import_'):
+
−        return False
+
−    files, match, anypats = cmdutil.matchpats(repo, sysargs, cmdopts)
+
−
+
−    # validity checks should have been done already
+
−    modified, added = repo.status(files=files, match=match)[:2]
+
−    candidates = [f for f in modified + added if not f.startswith('.hg')]
+
−
+
−    if not candidates:
+
−        return False
+
−
+
−    # only check files that have hgkwencode assigned as encode filter
+
−    files = []
+
−    # python2.4: files = set()
+
−    for pat, opt in repo.ui.configitems('keyword'):
+
−        if opt == 'expand':
+
−            mf = util.matcher(repo.root, '', [pat], [], [])[1]
+
−            for candidate in candidates:
+
−                if mf(candidate) and candidate not in files:
+
−                    files.append(candidate)
+
−                # python2.4:
+
−                # if mf(candidate): files.add(candidate)
+
−
+
−    if not files: # nothing to do
+
−        return False
+
−
+
−    user, date = repo.changelog.read(repo.changelog.tip())[1:3]
+
−    re_kw = re.compile(r'\$(%s)(: [^$]+? )?\$' % kwutil.hgkeywords)
+
−
+
−    for f in files:
+
−        data = repo.wfile(f).read()
+
−        if not util.binary(data):
+
−
+
−            def kwexpand(matchobj):
+
−                return kwutil.kwexpand(matchobj,
+
−                        repo, args['node'][:12], f, date, user)
+
−
+
−            data, kwct = re_kw.subn(kwexpand, data)
+
−            if kwct:
+
−                ui.note(_('expanding keywords in %s\n' % f))
+
−                # backup file?
+
−                repo.wfile(f, 'w').write(data)