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# templatekw.py - common changeset template keywords
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#
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# Copyright 2005-2009 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 hex
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import patch, util, error
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import hbisect
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# This helper class allows us to handle both:
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# "{files}" (legacy command-line-specific list hack) and
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# "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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class _hybrid(object):
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def __init__(self, gen, values):
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self.gen = gen
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self.values = values
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def __iter__(self):
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return self.gen
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def __call__(self):
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for x in self.values:
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yield x
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def showlist(name, values, plural=None, element=None, **args):
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if not element:
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element = name
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f = _showlist(name, values, plural, **args)
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return _hybrid(f, [{element: x} for x in values])
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def _showlist(name, values, plural=None, **args):
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'''expand set of values.
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name is name of key in template map.
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values is list of strings or dicts.
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plural is plural of name, if not simply name + 's'.
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expansion works like this, given name 'foo'.
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if values is empty, expand 'no_foos'.
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if 'foo' not in template map, return values as a string,
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joined by space.
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expand 'start_foos'.
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for each value, expand 'foo'. if 'last_foo' in template
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map, expand it instead of 'foo' for last key.
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expand 'end_foos'.
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'''
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templ = args['templ']
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if plural:
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names = plural
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else: names = name + 's'
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if not values:
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noname = 'no_' + names
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if noname in templ:
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yield templ(noname, **args)
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return
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if name not in templ:
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if isinstance(values[0], str):
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yield ' '.join(values)
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else:
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for v in values:
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yield dict(v, **args)
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return
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startname = 'start_' + names
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if startname in templ:
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yield templ(startname, **args)
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vargs = args.copy()
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def one(v, tag=name):
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try:
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vargs.update(v)
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except (AttributeError, ValueError):
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try:
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for a, b in v:
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vargs[a] = b
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except ValueError:
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vargs[name] = v
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return templ(tag, **vargs)
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lastname = 'last_' + name
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if lastname in templ:
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last = values.pop()
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else:
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last = None
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for v in values:
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yield one(v)
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if last is not None:
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yield one(last, tag=lastname)
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endname = 'end_' + names
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if endname in templ:
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yield templ(endname, **args)
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def getfiles(repo, ctx, revcache):
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if 'files' not in revcache:
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revcache['files'] = repo.status(ctx.p1().node(), ctx.node())[:3]
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return revcache['files']
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def getlatesttags(repo, ctx, cache):
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'''return date, distance and name for the latest tag of rev'''
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if 'latesttags' not in cache:
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# Cache mapping from rev to a tuple with tag date, tag
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# distance and tag name
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cache['latesttags'] = {-1: (0, 0, 'null')}
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latesttags = cache['latesttags']
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rev = ctx.rev()
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todo = [rev]
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while todo:
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rev = todo.pop()
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if rev in latesttags:
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continue
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ctx = repo[rev]
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tags = [t for t in ctx.tags() if repo.tagtype(t) == 'global']
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if tags:
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latesttags[rev] = ctx.date()[0], 0, ':'.join(sorted(tags))
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continue
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try:
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# The tuples are laid out so the right one can be found by
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# comparison.
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pdate, pdist, ptag = max(
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latesttags[p.rev()] for p in ctx.parents())
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except KeyError:
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# Cache miss - recurse
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todo.append(rev)
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todo.extend(p.rev() for p in ctx.parents())
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continue
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latesttags[rev] = pdate, pdist + 1, ptag
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return latesttags[rev]
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def getrenamedfn(repo, endrev=None):
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rcache = {}
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if endrev is None:
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endrev = len(repo)
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def getrenamed(fn, rev):
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'''looks up all renames for a file (up to endrev) the first
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time the file is given. It indexes on the changerev and only
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parses the manifest if linkrev != changerev.
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Returns rename info for fn at changerev rev.'''
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if fn not in rcache:
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rcache[fn] = {}
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fl = repo.file(fn)
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for i in fl:
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lr = fl.linkrev(i)
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renamed = fl.renamed(fl.node(i))
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rcache[fn][lr] = renamed
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if lr >= endrev:
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break
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if rev in rcache[fn]:
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return rcache[fn][rev]
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# If linkrev != rev (i.e. rev not found in rcache) fallback to
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# filectx logic.
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try:
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return repo[rev][fn].renamed()
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except error.LookupError:
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return None
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return getrenamed
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def showauthor(repo, ctx, templ, **args):
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""":author: String. The unmodified author of the changeset."""
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return ctx.user()
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def showbisect(repo, ctx, templ, **args):
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""":bisect: String. The changeset bisection status."""
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return hbisect.label(repo, ctx.node())
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def showbranch(**args):
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""":branch: String. The name of the branch on which the changeset was
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committed.
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"""
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return args['ctx'].branch()
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def showbranches(**args):
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""":branches: List of strings. The name of the branch on which the
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changeset was committed. Will be empty if the branch name was
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default.
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"""
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branch = args['ctx'].branch()
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if branch != 'default':
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return showlist('branch', [branch], plural='branches', **args)
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def showbookmarks(**args):
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""":bookmarks: List of strings. Any bookmarks associated with the
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changeset.
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"""
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bookmarks = args['ctx'].bookmarks()
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return showlist('bookmark', bookmarks, **args)
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def showchildren(**args):
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""":children: List of strings. The children of the changeset."""
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ctx = args['ctx']
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childrevs = ['%d:%s' % (cctx, cctx) for cctx in ctx.children()]
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return showlist('children', childrevs, element='child', **args)
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def showdate(repo, ctx, templ, **args):
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""":date: Date information. The date when the changeset was committed."""
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return ctx.date()
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def showdescription(repo, ctx, templ, **args):
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""":desc: String. The text of the changeset description."""
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return ctx.description().strip()
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def showdiffstat(repo, ctx, templ, **args):
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""":diffstat: String. Statistics of changes with the following format:
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"modified files: +added/-removed lines"
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"""
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stats = patch.diffstatdata(util.iterlines(ctx.diff()))
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maxname, maxtotal, adds, removes, binary = patch.diffstatsum(stats)
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return '%s: +%s/-%s' % (len(stats), adds, removes)
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def showextras(**args):
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templ = args['templ']
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for key, value in sorted(args['ctx'].extra().items()):
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args = args.copy()
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args.update(dict(key=key, value=value))
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yield templ('extra', **args)
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def showfileadds(**args):
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""":file_adds: List of strings. Files added by this changeset."""
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repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
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return showlist('file_add', getfiles(repo, ctx, revcache)[1],
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element='file', **args)
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def showfilecopies(**args):
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""":file_copies: List of strings. Files copied in this changeset with
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their sources.
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"""
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cache, ctx = args['cache'], args['ctx']
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copies = args['revcache'].get('copies')
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if copies is None:
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if 'getrenamed' not in cache:
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cache['getrenamed'] = getrenamedfn(args['repo'])
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copies = []
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getrenamed = cache['getrenamed']
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for fn in ctx.files():
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rename = getrenamed(fn, ctx.rev())
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if rename:
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copies.append((fn, rename[0]))
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c = [{'name': x[0], 'source': x[1]} for x in copies]
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return showlist('file_copy', c, plural='file_copies',
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element='file', **args)
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# showfilecopiesswitch() displays file copies only if copy records are
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# provided before calling the templater, usually with a --copies
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# command line switch.
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def showfilecopiesswitch(**args):
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""":file_copies_switch: List of strings. Like "file_copies" but displayed
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only if the --copied switch is set.
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"""
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copies = args['revcache'].get('copies') or []
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c = [{'name': x[0], 'source': x[1]} for x in copies]
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return showlist('file_copy', c, plural='file_copies',
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element='file', **args)
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def showfiledels(**args):
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""":file_dels: List of strings. Files removed by this changeset."""
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repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
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return showlist('file_del', getfiles(repo, ctx, revcache)[2],
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element='file', **args)
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def showfilemods(**args):
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""":file_mods: List of strings. Files modified by this changeset."""
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repo, ctx, revcache = args['repo'], args['ctx'], args['revcache']
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return showlist('file_mod', getfiles(repo, ctx, revcache)[0],
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element='file', **args)
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def showfiles(**args):
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""":files: List of strings. All files modified, added, or removed by this
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changeset.
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"""
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return showlist('file', args['ctx'].files(), **args)
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def showlatesttag(repo, ctx, templ, cache, **args):
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""":latesttag: String. Most recent global tag in the ancestors of this
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changeset.
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"""
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return getlatesttags(repo, ctx, cache)[2]
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def showlatesttagdistance(repo, ctx, templ, cache, **args):
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""":latesttagdistance: Integer. Longest path to the latest tag."""
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return getlatesttags(repo, ctx, cache)[1]
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def showmanifest(**args):
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repo, ctx, templ = args['repo'], args['ctx'], args['templ']
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args = args.copy()
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args.update(dict(rev=repo.manifest.rev(ctx.changeset()[0]),
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node=hex(ctx.changeset()[0])))
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return templ('manifest', **args)
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def shownode(repo, ctx, templ, **args):
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""":node: String. The changeset identification hash, as a 40 hexadecimal
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digit string.
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"""
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return ctx.hex()
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def showp1rev(repo, ctx, templ, **args):
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""":p1rev: Integer. The repository-local revision number of the changeset's
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first parent, or -1 if the changeset has no parents."""
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return ctx.p1().rev()
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def showp2rev(repo, ctx, templ, **args):
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""":p2rev: Integer. The repository-local revision number of the changeset's
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second parent, or -1 if the changeset has no second parent."""
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return ctx.p2().rev()
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def showp1node(repo, ctx, templ, **args):
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""":p1node: String. The identification hash of the changeset's first parent,
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as a 40 digit hexadecimal string. If the changeset has no parents, all
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digits are 0."""
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return ctx.p1().hex()
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def showp2node(repo, ctx, templ, **args):
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""":p2node: String. The identification hash of the changeset's second
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parent, as a 40 digit hexadecimal string. If the changeset has no second
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parent, all digits are 0."""
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return ctx.p2().hex()
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def showphase(repo, ctx, templ, **args):
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""":phase: String. The changeset phase name."""
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return ctx.phasestr()
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def showphaseidx(repo, ctx, templ, **args):
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""":phaseidx: Integer. The changeset phase index."""
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return ctx.phase()
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def showrev(repo, ctx, templ, **args):
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""":rev: Integer. The repository-local changeset revision number."""
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return ctx.rev()
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def showtags(**args):
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""":tags: List of strings. Any tags associated with the changeset."""
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return showlist('tag', args['ctx'].tags(), **args)
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# keywords are callables like:
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# fn(repo, ctx, templ, cache, revcache, **args)
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# with:
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# repo - current repository instance
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# ctx - the changectx being displayed
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# templ - the templater instance
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# cache - a cache dictionary for the whole templater run
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# revcache - a cache dictionary for the current revision
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keywords = {
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'author': showauthor,
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'bisect': showbisect,
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'branch': showbranch,
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'branches': showbranches,
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'bookmarks': showbookmarks,
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'children': showchildren,
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'date': showdate,
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'desc': showdescription,
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'diffstat': showdiffstat,
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'extras': showextras,
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'file_adds': showfileadds,
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'file_copies': showfilecopies,
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'file_copies_switch': showfilecopiesswitch,
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'file_dels': showfiledels,
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'file_mods': showfilemods,
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'files': showfiles,
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'latesttag': showlatesttag,
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'latesttagdistance': showlatesttagdistance,
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'manifest': showmanifest,
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'node': shownode,
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'p1rev': showp1rev,
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'p1node': showp1node,
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'p2rev': showp2rev,
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'p2node': showp2node,
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'phase': showphase,
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'phaseidx': showphaseidx,
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'rev': showrev,
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'tags': showtags,
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}
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def _showparents(**args):
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""":parents: List of strings. The parents of the changeset in "rev:node"
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format. If the changeset has only one "natural" parent (the predecessor
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revision) nothing is shown."""
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pass
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dockeywords = {
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'parents': _showparents,
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}
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dockeywords.update(keywords)
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# tell hggettext to extract docstrings from these functions:
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i18nfunctions = dockeywords.values()
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