Mercurial > hg
view mercurial/revset.py @ 18115:6db318a15a12
bundlerepo: use _cacheabletip mechanism in bundlerepo
Instead of preventing any cache write we allow writing cache for all content of
the original repo.
The motivation for this change is to drop the custom _writebranchcache of
bundlerepo to help extraction of the branchmap logic out of localrepo.
| author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
|---|---|
| date | Thu, 20 Dec 2012 12:17:44 +0100 |
| parents | bea754715961 |
| children | a6483f827512 |
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# revset.py - revision set queries for mercurial # # Copyright 2010 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import re import parser, util, error, discovery, hbisect, phases import node import bookmarks as bookmarksmod import match as matchmod from i18n import _ import encoding import obsolete as obsmod def _revancestors(repo, revs, followfirst): """Like revlog.ancestors(), but supports followfirst.""" cut = followfirst and 1 or None cl = repo.changelog visit = util.deque(revs) seen = set([node.nullrev]) while visit: for parent in cl.parentrevs(visit.popleft())[:cut]: if parent not in seen: visit.append(parent) seen.add(parent) yield parent def _revdescendants(repo, revs, followfirst): """Like revlog.descendants() but supports followfirst.""" cut = followfirst and 1 or None cl = repo.changelog first = min(revs) nullrev = node.nullrev if first == nullrev: # Are there nodes with a null first parent and a non-null # second one? Maybe. Do we care? Probably not. for i in cl: yield i return seen = set(revs) for i in cl.revs(first + 1): for x in cl.parentrevs(i)[:cut]: if x != nullrev and x in seen: seen.add(i) yield i break def _revsbetween(repo, roots, heads): """Return all paths between roots and heads, inclusive of both endpoint sets.""" if not roots: return [] parentrevs = repo.changelog.parentrevs visit = heads[:] reachable = set() seen = {} minroot = min(roots) roots = set(roots) # open-code the post-order traversal due to the tiny size of # sys.getrecursionlimit() while visit: rev = visit.pop() if rev in roots: reachable.add(rev) parents = parentrevs(rev) seen[rev] = parents for parent in parents: if parent >= minroot and parent not in seen: visit.append(parent) if not reachable: return [] for rev in sorted(seen): for parent in seen[rev]: if parent in reachable: reachable.add(rev) return sorted(reachable) elements = { "(": (20, ("group", 1, ")"), ("func", 1, ")")), "~": (18, None, ("ancestor", 18)), "^": (18, None, ("parent", 18), ("parentpost", 18)), "-": (5, ("negate", 19), ("minus", 5)), "::": (17, ("dagrangepre", 17), ("dagrange", 17), ("dagrangepost", 17)), "..": (17, ("dagrangepre", 17), ("dagrange", 17), ("dagrangepost", 17)), ":": (15, ("rangepre", 15), ("range", 15), ("rangepost", 15)), "not": (10, ("not", 10)), "!": (10, ("not", 10)), "and": (5, None, ("and", 5)), "&": (5, None, ("and", 5)), "or": (4, None, ("or", 4)), "|": (4, None, ("or", 4)), "+": (4, None, ("or", 4)), ",": (2, None, ("list", 2)), ")": (0, None, None), "symbol": (0, ("symbol",), None), "string": (0, ("string",), None), "end": (0, None, None), } keywords = set(['and', 'or', 'not']) def tokenize(program): ''' Parse a revset statement into a stream of tokens Check that @ is a valid unquoted token character (issue3686): >>> list(tokenize("@::")) [('symbol', '@', 0), ('::', None, 1), ('end', None, 3)] ''' pos, l = 0, len(program) while pos < l: c = program[pos] if c.isspace(): # skip inter-token whitespace pass elif c == ':' and program[pos:pos + 2] == '::': # look ahead carefully yield ('::', None, pos) pos += 1 # skip ahead elif c == '.' and program[pos:pos + 2] == '..': # look ahead carefully yield ('..', None, pos) pos += 1 # skip ahead elif c in "():,-|&+!~^": # handle simple operators yield (c, None, pos) elif (c in '"\'' or c == 'r' and program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings if c == 'r': pos += 1 c = program[pos] decode = lambda x: x else: decode = lambda x: x.decode('string-escape') pos += 1 s = pos while pos < l: # find closing quote d = program[pos] if d == '\\': # skip over escaped characters pos += 2 continue if d == c: yield ('string', decode(program[s:pos]), s) break pos += 1 else: raise error.ParseError(_("unterminated string"), s) # gather up a symbol/keyword elif c.isalnum() or c in '._@' or ord(c) > 127: s = pos pos += 1 while pos < l: # find end of symbol d = program[pos] if not (d.isalnum() or d in "._/@" or ord(d) > 127): break if d == '.' and program[pos - 1] == '.': # special case for .. pos -= 1 break pos += 1 sym = program[s:pos] if sym in keywords: # operator keywords yield (sym, None, s) else: yield ('symbol', sym, s) pos -= 1 else: raise error.ParseError(_("syntax error"), pos) pos += 1 yield ('end', None, pos) # helpers def getstring(x, err): if x and (x[0] == 'string' or x[0] == 'symbol'): return x[1] raise error.ParseError(err) def getlist(x): if not x: return [] if x[0] == 'list': return getlist(x[1]) + [x[2]] return [x] def getargs(x, min, max, err): l = getlist(x) if len(l) < min or (max >= 0 and len(l) > max): raise error.ParseError(err) return l def getset(repo, subset, x): if not x: raise error.ParseError(_("missing argument")) return methods[x[0]](repo, subset, *x[1:]) def _getrevsource(repo, r): extra = repo[r].extra() for label in ('source', 'transplant_source', 'rebase_source'): if label in extra: try: return repo[extra[label]].rev() except error.RepoLookupError: pass return None # operator methods def stringset(repo, subset, x): x = repo[x].rev() if x == -1 and len(subset) == len(repo): return [-1] if len(subset) == len(repo) or x in subset: return [x] return [] def symbolset(repo, subset, x): if x in symbols: raise error.ParseError(_("can't use %s here") % x) return stringset(repo, subset, x) def rangeset(repo, subset, x, y): m = getset(repo, subset, x) if not m: m = getset(repo, list(repo), x) n = getset(repo, subset, y) if not n: n = getset(repo, list(repo), y) if not m or not n: return [] m, n = m[0], n[-1] if m < n: r = range(m, n + 1) else: r = range(m, n - 1, -1) s = set(subset) return [x for x in r if x in s] def dagrange(repo, subset, x, y): if subset: r = list(repo) xs = _revsbetween(repo, getset(repo, r, x), getset(repo, r, y)) s = set(subset) return [r for r in xs if r in s] return [] def andset(repo, subset, x, y): return getset(repo, getset(repo, subset, x), y) def orset(repo, subset, x, y): xl = getset(repo, subset, x) s = set(xl) yl = getset(repo, [r for r in subset if r not in s], y) return xl + yl def notset(repo, subset, x): s = set(getset(repo, subset, x)) return [r for r in subset if r not in s] def listset(repo, subset, a, b): raise error.ParseError(_("can't use a list in this context")) def func(repo, subset, a, b): if a[0] == 'symbol' and a[1] in symbols: return symbols[a[1]](repo, subset, b) raise error.ParseError(_("not a function: %s") % a[1]) # functions def adds(repo, subset, x): """``adds(pattern)`` Changesets that add a file matching pattern. """ # i18n: "adds" is a keyword pat = getstring(x, _("adds requires a pattern")) return checkstatus(repo, subset, pat, 1) def ancestor(repo, subset, x): """``ancestor(single, single)`` Greatest common ancestor of the two changesets. """ # i18n: "ancestor" is a keyword l = getargs(x, 2, 2, _("ancestor requires two arguments")) r = list(repo) a = getset(repo, r, l[0]) b = getset(repo, r, l[1]) if len(a) != 1 or len(b) != 1: # i18n: "ancestor" is a keyword raise error.ParseError(_("ancestor arguments must be single revisions")) an = [repo[a[0]].ancestor(repo[b[0]]).rev()] return [r for r in an if r in subset] def _ancestors(repo, subset, x, followfirst=False): args = getset(repo, list(repo), x) if not args: return [] s = set(_revancestors(repo, args, followfirst)) | set(args) return [r for r in subset if r in s] def ancestors(repo, subset, x): """``ancestors(set)`` Changesets that are ancestors of a changeset in set. """ return _ancestors(repo, subset, x) def _firstancestors(repo, subset, x): # ``_firstancestors(set)`` # Like ``ancestors(set)`` but follows only the first parents. return _ancestors(repo, subset, x, followfirst=True) def ancestorspec(repo, subset, x, n): """``set~n`` Changesets that are the Nth ancestor (first parents only) of a changeset in set. """ try: n = int(n[1]) except (TypeError, ValueError): raise error.ParseError(_("~ expects a number")) ps = set() cl = repo.changelog for r in getset(repo, subset, x): for i in range(n): r = cl.parentrevs(r)[0] ps.add(r) return [r for r in subset if r in ps] def author(repo, subset, x): """``author(string)`` Alias for ``user(string)``. """ # i18n: "author" is a keyword n = encoding.lower(getstring(x, _("author requires a string"))) kind, pattern, matcher = _substringmatcher(n) return [r for r in subset if matcher(encoding.lower(repo[r].user()))] def bisect(repo, subset, x): """``bisect(string)`` Changesets marked in the specified bisect status: - ``good``, ``bad``, ``skip``: csets explicitly marked as good/bad/skip - ``goods``, ``bads`` : csets topologically good/bad - ``range`` : csets taking part in the bisection - ``pruned`` : csets that are goods, bads or skipped - ``untested`` : csets whose fate is yet unknown - ``ignored`` : csets ignored due to DAG topology - ``current`` : the cset currently being bisected """ # i18n: "bisect" is a keyword status = getstring(x, _("bisect requires a string")).lower() state = set(hbisect.get(repo, status)) return [r for r in subset if r in state] # Backward-compatibility # - no help entry so that we do not advertise it any more def bisected(repo, subset, x): return bisect(repo, subset, x) def bookmark(repo, subset, x): """``bookmark([name])`` The named bookmark or all bookmarks. If `name` starts with `re:`, the remainder of the name is treated as a regular expression. To match a bookmark that actually starts with `re:`, use the prefix `literal:`. """ # i18n: "bookmark" is a keyword args = getargs(x, 0, 1, _('bookmark takes one or no arguments')) if args: bm = getstring(args[0], # i18n: "bookmark" is a keyword _('the argument to bookmark must be a string')) kind, pattern, matcher = _stringmatcher(bm) if kind == 'literal': bmrev = bookmarksmod.listbookmarks(repo).get(bm, None) if not bmrev: raise util.Abort(_("bookmark '%s' does not exist") % bm) bmrev = repo[bmrev].rev() return [r for r in subset if r == bmrev] else: matchrevs = set() for name, bmrev in bookmarksmod.listbookmarks(repo).iteritems(): if matcher(name): matchrevs.add(bmrev) if not matchrevs: raise util.Abort(_("no bookmarks exist that match '%s'") % pattern) bmrevs = set() for bmrev in matchrevs: bmrevs.add(repo[bmrev].rev()) return [r for r in subset if r in bmrevs] bms = set([repo[r].rev() for r in bookmarksmod.listbookmarks(repo).values()]) return [r for r in subset if r in bms] def branch(repo, subset, x): """``branch(string or set)`` All changesets belonging to the given branch or the branches of the given changesets. If `string` starts with `re:`, the remainder of the name is treated as a regular expression. To match a branch that actually starts with `re:`, use the prefix `literal:`. """ try: b = getstring(x, '') except error.ParseError: # not a string, but another revspec, e.g. tip() pass else: kind, pattern, matcher = _stringmatcher(b) if kind == 'literal': # note: falls through to the revspec case if no branch with # this name exists if pattern in repo.branchmap(): return [r for r in subset if matcher(repo[r].branch())] else: return [r for r in subset if matcher(repo[r].branch())] s = getset(repo, list(repo), x) b = set() for r in s: b.add(repo[r].branch()) s = set(s) return [r for r in subset if r in s or repo[r].branch() in b] def bumped(repo, subset, x): """``bumped()`` Mutable changesets marked as successors of public changesets. Only non-public and non-obsolete changesets can be `bumped`. """ # i18n: "bumped" is a keyword getargs(x, 0, 0, _("bumped takes no arguments")) bumped = obsmod.getrevs(repo, 'bumped') return [r for r in subset if r in bumped] def bundle(repo, subset, x): """``bundle()`` Changesets in the bundle. Bundle must be specified by the -R option.""" try: bundlenodes = repo.changelog.bundlenodes except AttributeError: raise util.Abort(_("no bundle provided - specify with -R")) revs = set(repo[n].rev() for n in bundlenodes) return [r for r in subset if r in revs] def checkstatus(repo, subset, pat, field): m = None s = [] hasset = matchmod.patkind(pat) == 'set' fname = None for r in subset: c = repo[r] if not m or hasset: m = matchmod.match(repo.root, repo.getcwd(), [pat], ctx=c) if not m.anypats() and len(m.files()) == 1: fname = m.files()[0] if fname is not None: if fname not in c.files(): continue else: for f in c.files(): if m(f): break else: continue files = repo.status(c.p1().node(), c.node())[field] if fname is not None: if fname in files: s.append(r) else: for f in files: if m(f): s.append(r) break return s def _children(repo, narrow, parentset): cs = set() if not parentset: return cs pr = repo.changelog.parentrevs minrev = min(parentset) for r in narrow: if r <= minrev: continue for p in pr(r): if p in parentset: cs.add(r) return cs def children(repo, subset, x): """``children(set)`` Child changesets of changesets in set. """ s = set(getset(repo, list(repo), x)) cs = _children(repo, subset, s) return [r for r in subset if r in cs] def closed(repo, subset, x): """``closed()`` Changeset is closed. """ # i18n: "closed" is a keyword getargs(x, 0, 0, _("closed takes no arguments")) return [r for r in subset if repo[r].closesbranch()] def contains(repo, subset, x): """``contains(pattern)`` Revision contains a file matching pattern. See :hg:`help patterns` for information about file patterns. """ # i18n: "contains" is a keyword pat = getstring(x, _("contains requires a pattern")) m = None s = [] if not matchmod.patkind(pat): for r in subset: if pat in repo[r]: s.append(r) else: for r in subset: c = repo[r] if not m or matchmod.patkind(pat) == 'set': m = matchmod.match(repo.root, repo.getcwd(), [pat], ctx=c) for f in c.manifest(): if m(f): s.append(r) break return s def converted(repo, subset, x): """``converted([id])`` Changesets converted from the given identifier in the old repository if present, or all converted changesets if no identifier is specified. """ # There is exactly no chance of resolving the revision, so do a simple # string compare and hope for the best rev = None # i18n: "converted" is a keyword l = getargs(x, 0, 1, _('converted takes one or no arguments')) if l: # i18n: "converted" is a keyword rev = getstring(l[0], _('converted requires a revision')) def _matchvalue(r): source = repo[r].extra().get('convert_revision', None) return source is not None and (rev is None or source.startswith(rev)) return [r for r in subset if _matchvalue(r)] def date(repo, subset, x): """``date(interval)`` Changesets within the interval, see :hg:`help dates`. """ # i18n: "date" is a keyword ds = getstring(x, _("date requires a string")) dm = util.matchdate(ds) return [r for r in subset if dm(repo[r].date()[0])] def desc(repo, subset, x): """``desc(string)`` Search commit message for string. The match is case-insensitive. """ # i18n: "desc" is a keyword ds = encoding.lower(getstring(x, _("desc requires a string"))) l = [] for r in subset: c = repo[r] if ds in encoding.lower(c.description()): l.append(r) return l def _descendants(repo, subset, x, followfirst=False): args = getset(repo, list(repo), x) if not args: return [] s = set(_revdescendants(repo, args, followfirst)) | set(args) return [r for r in subset if r in s] def descendants(repo, subset, x): """``descendants(set)`` Changesets which are descendants of changesets in set. """ return _descendants(repo, subset, x) def _firstdescendants(repo, subset, x): # ``_firstdescendants(set)`` # Like ``descendants(set)`` but follows only the first parents. return _descendants(repo, subset, x, followfirst=True) def destination(repo, subset, x): """``destination([set])`` Changesets that were created by a graft, transplant or rebase operation, with the given revisions specified as the source. Omitting the optional set is the same as passing all(). """ if x is not None: args = set(getset(repo, list(repo), x)) else: args = set(getall(repo, list(repo), x)) dests = set() # subset contains all of the possible destinations that can be returned, so # iterate over them and see if their source(s) were provided in the args. # Even if the immediate src of r is not in the args, src's source (or # further back) may be. Scanning back further than the immediate src allows # transitive transplants and rebases to yield the same results as transitive # grafts. for r in subset: src = _getrevsource(repo, r) lineage = None while src is not None: if lineage is None: lineage = list() lineage.append(r) # The visited lineage is a match if the current source is in the arg # set. Since every candidate dest is visited by way of iterating # subset, any dests further back in the lineage will be tested by a # different iteration over subset. Likewise, if the src was already # selected, the current lineage can be selected without going back # further. if src in args or src in dests: dests.update(lineage) break r = src src = _getrevsource(repo, r) return [r for r in subset if r in dests] def divergent(repo, subset, x): """``divergent()`` Final successors of changesets with an alternative set of final successors. """ # i18n: "divergent" is a keyword getargs(x, 0, 0, _("divergent takes no arguments")) divergent = obsmod.getrevs(repo, 'divergent') return [r for r in subset if r in divergent] def draft(repo, subset, x): """``draft()`` Changeset in draft phase.""" # i18n: "draft" is a keyword getargs(x, 0, 0, _("draft takes no arguments")) pc = repo._phasecache return [r for r in subset if pc.phase(repo, r) == phases.draft] def extinct(repo, subset, x): """``extinct()`` Obsolete changesets with obsolete descendants only. """ # i18n: "extinct" is a keyword getargs(x, 0, 0, _("extinct takes no arguments")) extincts = obsmod.getrevs(repo, 'extinct') return [r for r in subset if r in extincts] def extra(repo, subset, x): """``extra(label, [value])`` Changesets with the given label in the extra metadata, with the given optional value. If `value` starts with `re:`, the remainder of the value is treated as a regular expression. To match a value that actually starts with `re:`, use the prefix `literal:`. """ # i18n: "extra" is a keyword l = getargs(x, 1, 2, _('extra takes at least 1 and at most 2 arguments')) # i18n: "extra" is a keyword label = getstring(l[0], _('first argument to extra must be a string')) value = None if len(l) > 1: # i18n: "extra" is a keyword value = getstring(l[1], _('second argument to extra must be a string')) kind, value, matcher = _stringmatcher(value) def _matchvalue(r): extra = repo[r].extra() return label in extra and (value is None or matcher(extra[label])) return [r for r in subset if _matchvalue(r)] def filelog(repo, subset, x): """``filelog(pattern)`` Changesets connected to the specified filelog. For performance reasons, ``filelog()`` does not show every changeset that affects the requested file(s). See :hg:`help log` for details. For a slower, more accurate result, use ``file()``. """ # i18n: "filelog" is a keyword pat = getstring(x, _("filelog requires a pattern")) m = matchmod.match(repo.root, repo.getcwd(), [pat], default='relpath', ctx=repo[None]) s = set() if not matchmod.patkind(pat): for f in m.files(): fl = repo.file(f) for fr in fl: s.add(fl.linkrev(fr)) else: for f in repo[None]: if m(f): fl = repo.file(f) for fr in fl: s.add(fl.linkrev(fr)) return [r for r in subset if r in s] def first(repo, subset, x): """``first(set, [n])`` An alias for limit(). """ return limit(repo, subset, x) def _follow(repo, subset, x, name, followfirst=False): l = getargs(x, 0, 1, _("%s takes no arguments or a filename") % name) c = repo['.'] if l: x = getstring(l[0], _("%s expected a filename") % name) if x in c: cx = c[x] s = set(ctx.rev() for ctx in cx.ancestors(followfirst=followfirst)) # include the revision responsible for the most recent version s.add(cx.linkrev()) else: return [] else: s = set(_revancestors(repo, [c.rev()], followfirst)) | set([c.rev()]) return [r for r in subset if r in s] def follow(repo, subset, x): """``follow([file])`` An alias for ``::.`` (ancestors of the working copy's first parent). If a filename is specified, the history of the given file is followed, including copies. """ return _follow(repo, subset, x, 'follow') def _followfirst(repo, subset, x): # ``followfirst([file])`` # Like ``follow([file])`` but follows only the first parent of # every revision or file revision. return _follow(repo, subset, x, '_followfirst', followfirst=True) def getall(repo, subset, x): """``all()`` All changesets, the same as ``0:tip``. """ # i18n: "all" is a keyword getargs(x, 0, 0, _("all takes no arguments")) return subset def grep(repo, subset, x): """``grep(regex)`` Like ``keyword(string)`` but accepts a regex. Use ``grep(r'...')`` to ensure special escape characters are handled correctly. Unlike ``keyword(string)``, the match is case-sensitive. """ try: # i18n: "grep" is a keyword gr = re.compile(getstring(x, _("grep requires a string"))) except re.error, e: raise error.ParseError(_('invalid match pattern: %s') % e) l = [] for r in subset: c = repo[r] for e in c.files() + [c.user(), c.description()]: if gr.search(e): l.append(r) break return l def _matchfiles(repo, subset, x): # _matchfiles takes a revset list of prefixed arguments: # # [p:foo, i:bar, x:baz] # # builds a match object from them and filters subset. Allowed # prefixes are 'p:' for regular patterns, 'i:' for include # patterns and 'x:' for exclude patterns. Use 'r:' prefix to pass # a revision identifier, or the empty string to reference the # working directory, from which the match object is # initialized. Use 'd:' to set the default matching mode, default # to 'glob'. At most one 'r:' and 'd:' argument can be passed. # i18n: "_matchfiles" is a keyword l = getargs(x, 1, -1, _("_matchfiles requires at least one argument")) pats, inc, exc = [], [], [] hasset = False rev, default = None, None for arg in l: # i18n: "_matchfiles" is a keyword s = getstring(arg, _("_matchfiles requires string arguments")) prefix, value = s[:2], s[2:] if prefix == 'p:': pats.append(value) elif prefix == 'i:': inc.append(value) elif prefix == 'x:': exc.append(value) elif prefix == 'r:': if rev is not None: # i18n: "_matchfiles" is a keyword raise error.ParseError(_('_matchfiles expected at most one ' 'revision')) rev = value elif prefix == 'd:': if default is not None: # i18n: "_matchfiles" is a keyword raise error.ParseError(_('_matchfiles expected at most one ' 'default mode')) default = value else: # i18n: "_matchfiles" is a keyword raise error.ParseError(_('invalid _matchfiles prefix: %s') % prefix) if not hasset and matchmod.patkind(value) == 'set': hasset = True if not default: default = 'glob' m = None s = [] for r in subset: c = repo[r] if not m or (hasset and rev is None): ctx = c if rev is not None: ctx = repo[rev or None] m = matchmod.match(repo.root, repo.getcwd(), pats, include=inc, exclude=exc, ctx=ctx, default=default) for f in c.files(): if m(f): s.append(r) break return s def hasfile(repo, subset, x): """``file(pattern)`` Changesets affecting files matched by pattern. For a faster but less accurate result, consider using ``filelog()`` instead. """ # i18n: "file" is a keyword pat = getstring(x, _("file requires a pattern")) return _matchfiles(repo, subset, ('string', 'p:' + pat)) def head(repo, subset, x): """``head()`` Changeset is a named branch head. """ # i18n: "head" is a keyword getargs(x, 0, 0, _("head takes no arguments")) hs = set() for b, ls in repo.branchmap().iteritems(): hs.update(repo[h].rev() for h in ls) return [r for r in subset if r in hs] def heads(repo, subset, x): """``heads(set)`` Members of set with no children in set. """ s = getset(repo, subset, x) ps = set(parents(repo, subset, x)) return [r for r in s if r not in ps] def hidden(repo, subset, x): """``hidden()`` Hidden changesets. """ # i18n: "hidden" is a keyword getargs(x, 0, 0, _("hidden takes no arguments")) return [r for r in subset if r in repo.hiddenrevs] def keyword(repo, subset, x): """``keyword(string)`` Search commit message, user name, and names of changed files for string. The match is case-insensitive. """ # i18n: "keyword" is a keyword kw = encoding.lower(getstring(x, _("keyword requires a string"))) l = [] for r in subset: c = repo[r] t = " ".join(c.files() + [c.user(), c.description()]) if kw in encoding.lower(t): l.append(r) return l def limit(repo, subset, x): """``limit(set, [n])`` First n members of set, defaulting to 1. """ # i18n: "limit" is a keyword l = getargs(x, 1, 2, _("limit requires one or two arguments")) try: lim = 1 if len(l) == 2: # i18n: "limit" is a keyword lim = int(getstring(l[1], _("limit requires a number"))) except (TypeError, ValueError): # i18n: "limit" is a keyword raise error.ParseError(_("limit expects a number")) ss = set(subset) os = getset(repo, list(repo), l[0])[:lim] return [r for r in os if r in ss] def last(repo, subset, x): """``last(set, [n])`` Last n members of set, defaulting to 1. """ # i18n: "last" is a keyword l = getargs(x, 1, 2, _("last requires one or two arguments")) try: lim = 1 if len(l) == 2: # i18n: "last" is a keyword lim = int(getstring(l[1], _("last requires a number"))) except (TypeError, ValueError): # i18n: "last" is a keyword raise error.ParseError(_("last expects a number")) ss = set(subset) os = getset(repo, list(repo), l[0])[-lim:] return [r for r in os if r in ss] def maxrev(repo, subset, x): """``max(set)`` Changeset with highest revision number in set. """ os = getset(repo, list(repo), x) if os: m = max(os) if m in subset: return [m] return [] def merge(repo, subset, x): """``merge()`` Changeset is a merge changeset. """ # i18n: "merge" is a keyword getargs(x, 0, 0, _("merge takes no arguments")) cl = repo.changelog return [r for r in subset if cl.parentrevs(r)[1] != -1] def branchpoint(repo, subset, x): """``branchpoint()`` Changesets with more than one child. """ # i18n: "branchpoint" is a keyword getargs(x, 0, 0, _("branchpoint takes no arguments")) cl = repo.changelog if not subset: return [] baserev = min(subset) parentscount = [0]*(len(repo) - baserev) for r in cl.revs(start=baserev + 1): for p in cl.parentrevs(r): if p >= baserev: parentscount[p - baserev] += 1 return [r for r in subset if (parentscount[r - baserev] > 1)] def minrev(repo, subset, x): """``min(set)`` Changeset with lowest revision number in set. """ os = getset(repo, list(repo), x) if os: m = min(os) if m in subset: return [m] return [] def modifies(repo, subset, x): """``modifies(pattern)`` Changesets modifying files matched by pattern. """ # i18n: "modifies" is a keyword pat = getstring(x, _("modifies requires a pattern")) return checkstatus(repo, subset, pat, 0) def node_(repo, subset, x): """``id(string)`` Revision non-ambiguously specified by the given hex string prefix. """ # i18n: "id" is a keyword l = getargs(x, 1, 1, _("id requires one argument")) # i18n: "id" is a keyword n = getstring(l[0], _("id requires a string")) if len(n) == 40: rn = repo[n].rev() else: rn = None pm = repo.changelog._partialmatch(n) if pm is not None: rn = repo.changelog.rev(pm) return [r for r in subset if r == rn] def obsolete(repo, subset, x): """``obsolete()`` Mutable changeset with a newer version.""" # i18n: "obsolete" is a keyword getargs(x, 0, 0, _("obsolete takes no arguments")) obsoletes = obsmod.getrevs(repo, 'obsolete') return [r for r in subset if r in obsoletes] def origin(repo, subset, x): """``origin([set])`` Changesets that were specified as a source for the grafts, transplants or rebases that created the given revisions. Omitting the optional set is the same as passing all(). If a changeset created by these operations is itself specified as a source for one of these operations, only the source changeset for the first operation is selected. """ if x is not None: args = set(getset(repo, list(repo), x)) else: args = set(getall(repo, list(repo), x)) def _firstsrc(rev): src = _getrevsource(repo, rev) if src is None: return None while True: prev = _getrevsource(repo, src) if prev is None: return src src = prev o = set([_firstsrc(r) for r in args]) return [r for r in subset if r in o] def outgoing(repo, subset, x): """``outgoing([path])`` Changesets not found in the specified destination repository, or the default push location. """ import hg # avoid start-up nasties # i18n: "outgoing" is a keyword l = getargs(x, 0, 1, _("outgoing takes one or no arguments")) # i18n: "outgoing" is a keyword dest = l and getstring(l[0], _("outgoing requires a repository path")) or '' dest = repo.ui.expandpath(dest or 'default-push', dest or 'default') dest, branches = hg.parseurl(dest) revs, checkout = hg.addbranchrevs(repo, repo, branches, []) if revs: revs = [repo.lookup(rev) for rev in revs] other = hg.peer(repo, {}, dest) repo.ui.pushbuffer() outgoing = discovery.findcommonoutgoing(repo, other, onlyheads=revs) repo.ui.popbuffer() cl = repo.changelog o = set([cl.rev(r) for r in outgoing.missing]) return [r for r in subset if r in o] def p1(repo, subset, x): """``p1([set])`` First parent of changesets in set, or the working directory. """ if x is None: p = repo[x].p1().rev() return [r for r in subset if r == p] ps = set() cl = repo.changelog for r in getset(repo, list(repo), x): ps.add(cl.parentrevs(r)[0]) return [r for r in subset if r in ps] def p2(repo, subset, x): """``p2([set])`` Second parent of changesets in set, or the working directory. """ if x is None: ps = repo[x].parents() try: p = ps[1].rev() return [r for r in subset if r == p] except IndexError: return [] ps = set() cl = repo.changelog for r in getset(repo, list(repo), x): ps.add(cl.parentrevs(r)[1]) return [r for r in subset if r in ps] def parents(repo, subset, x): """``parents([set])`` The set of all parents for all changesets in set, or the working directory. """ if x is None: ps = tuple(p.rev() for p in repo[x].parents()) return [r for r in subset if r in ps] ps = set() cl = repo.changelog for r in getset(repo, list(repo), x): ps.update(cl.parentrevs(r)) return [r for r in subset if r in ps] def parentspec(repo, subset, x, n): """``set^0`` The set. ``set^1`` (or ``set^``), ``set^2`` First or second parent, respectively, of all changesets in set. """ try: n = int(n[1]) if n not in (0, 1, 2): raise ValueError except (TypeError, ValueError): raise error.ParseError(_("^ expects a number 0, 1, or 2")) ps = set() cl = repo.changelog for r in getset(repo, subset, x): if n == 0: ps.add(r) elif n == 1: ps.add(cl.parentrevs(r)[0]) elif n == 2: parents = cl.parentrevs(r) if len(parents) > 1: ps.add(parents[1]) return [r for r in subset if r in ps] def present(repo, subset, x): """``present(set)`` An empty set, if any revision in set isn't found; otherwise, all revisions in set. If any of specified revisions is not present in the local repository, the query is normally aborted. But this predicate allows the query to continue even in such cases. """ try: return getset(repo, subset, x) except error.RepoLookupError: return [] def public(repo, subset, x): """``public()`` Changeset in public phase.""" # i18n: "public" is a keyword getargs(x, 0, 0, _("public takes no arguments")) pc = repo._phasecache return [r for r in subset if pc.phase(repo, r) == phases.public] def remote(repo, subset, x): """``remote([id [,path]])`` Local revision that corresponds to the given identifier in a remote repository, if present. Here, the '.' identifier is a synonym for the current local branch. """ import hg # avoid start-up nasties # i18n: "remote" is a keyword l = getargs(x, 0, 2, _("remote takes one, two or no arguments")) q = '.' if len(l) > 0: # i18n: "remote" is a keyword q = getstring(l[0], _("remote requires a string id")) if q == '.': q = repo['.'].branch() dest = '' if len(l) > 1: # i18n: "remote" is a keyword dest = getstring(l[1], _("remote requires a repository path")) dest = repo.ui.expandpath(dest or 'default') dest, branches = hg.parseurl(dest) revs, checkout = hg.addbranchrevs(repo, repo, branches, []) if revs: revs = [repo.lookup(rev) for rev in revs] other = hg.peer(repo, {}, dest) n = other.lookup(q) if n in repo: r = repo[n].rev() if r in subset: return [r] return [] def removes(repo, subset, x): """``removes(pattern)`` Changesets which remove files matching pattern. """ # i18n: "removes" is a keyword pat = getstring(x, _("removes requires a pattern")) return checkstatus(repo, subset, pat, 2) def rev(repo, subset, x): """``rev(number)`` Revision with the given numeric identifier. """ # i18n: "rev" is a keyword l = getargs(x, 1, 1, _("rev requires one argument")) try: # i18n: "rev" is a keyword l = int(getstring(l[0], _("rev requires a number"))) except (TypeError, ValueError): # i18n: "rev" is a keyword raise error.ParseError(_("rev expects a number")) return [r for r in subset if r == l] def matching(repo, subset, x): """``matching(revision [, field])`` Changesets in which a given set of fields match the set of fields in the selected revision or set. To match more than one field pass the list of fields to match separated by spaces (e.g. ``author description``). Valid fields are most regular revision fields and some special fields. Regular revision fields are ``description``, ``author``, ``branch``, ``date``, ``files``, ``phase``, ``parents``, ``substate``, ``user`` and ``diff``. Note that ``author`` and ``user`` are synonyms. ``diff`` refers to the contents of the revision. Two revisions matching their ``diff`` will also match their ``files``. Special fields are ``summary`` and ``metadata``: ``summary`` matches the first line of the description. ``metadata`` is equivalent to matching ``description user date`` (i.e. it matches the main metadata fields). ``metadata`` is the default field which is used when no fields are specified. You can match more than one field at a time. """ # i18n: "matching" is a keyword l = getargs(x, 1, 2, _("matching takes 1 or 2 arguments")) revs = getset(repo, repo.changelog, l[0]) fieldlist = ['metadata'] if len(l) > 1: fieldlist = getstring(l[1], # i18n: "matching" is a keyword _("matching requires a string " "as its second argument")).split() # Make sure that there are no repeated fields, # expand the 'special' 'metadata' field type # and check the 'files' whenever we check the 'diff' fields = [] for field in fieldlist: if field == 'metadata': fields += ['user', 'description', 'date'] elif field == 'diff': # a revision matching the diff must also match the files # since matching the diff is very costly, make sure to # also match the files first fields += ['files', 'diff'] else: if field == 'author': field = 'user' fields.append(field) fields = set(fields) if 'summary' in fields and 'description' in fields: # If a revision matches its description it also matches its summary fields.discard('summary') # We may want to match more than one field # Not all fields take the same amount of time to be matched # Sort the selected fields in order of increasing matching cost fieldorder = ['phase', 'parents', 'user', 'date', 'branch', 'summary', 'files', 'description', 'substate', 'diff'] def fieldkeyfunc(f): try: return fieldorder.index(f) except ValueError: # assume an unknown field is very costly return len(fieldorder) fields = list(fields) fields.sort(key=fieldkeyfunc) # Each field will be matched with its own "getfield" function # which will be added to the getfieldfuncs array of functions getfieldfuncs = [] _funcs = { 'user': lambda r: repo[r].user(), 'branch': lambda r: repo[r].branch(), 'date': lambda r: repo[r].date(), 'description': lambda r: repo[r].description(), 'files': lambda r: repo[r].files(), 'parents': lambda r: repo[r].parents(), 'phase': lambda r: repo[r].phase(), 'substate': lambda r: repo[r].substate, 'summary': lambda r: repo[r].description().splitlines()[0], 'diff': lambda r: list(repo[r].diff(git=True),) } for info in fields: getfield = _funcs.get(info, None) if getfield is None: raise error.ParseError( # i18n: "matching" is a keyword _("unexpected field name passed to matching: %s") % info) getfieldfuncs.append(getfield) # convert the getfield array of functions into a "getinfo" function # which returns an array of field values (or a single value if there # is only one field to match) getinfo = lambda r: [f(r) for f in getfieldfuncs] matches = set() for rev in revs: target = getinfo(rev) for r in subset: match = True for n, f in enumerate(getfieldfuncs): if target[n] != f(r): match = False break if match: matches.add(r) return [r for r in subset if r in matches] def reverse(repo, subset, x): """``reverse(set)`` Reverse order of set. """ l = getset(repo, subset, x) if not isinstance(l, list): l = list(l) l.reverse() return l def roots(repo, subset, x): """``roots(set)`` Changesets in set with no parent changeset in set. """ s = set(getset(repo, repo.changelog, x)) subset = [r for r in subset if r in s] cs = _children(repo, subset, s) return [r for r in subset if r not in cs] def secret(repo, subset, x): """``secret()`` Changeset in secret phase.""" # i18n: "secret" is a keyword getargs(x, 0, 0, _("secret takes no arguments")) pc = repo._phasecache return [r for r in subset if pc.phase(repo, r) == phases.secret] def sort(repo, subset, x): """``sort(set[, [-]key...])`` Sort set by keys. The default sort order is ascending, specify a key as ``-key`` to sort in descending order. The keys can be: - ``rev`` for the revision number, - ``branch`` for the branch name, - ``desc`` for the commit message (description), - ``user`` for user name (``author`` can be used as an alias), - ``date`` for the commit date """ # i18n: "sort" is a keyword l = getargs(x, 1, 2, _("sort requires one or two arguments")) keys = "rev" if len(l) == 2: # i18n: "sort" is a keyword keys = getstring(l[1], _("sort spec must be a string")) s = l[0] keys = keys.split() l = [] def invert(s): return "".join(chr(255 - ord(c)) for c in s) for r in getset(repo, subset, s): c = repo[r] e = [] for k in keys: if k == 'rev': e.append(r) elif k == '-rev': e.append(-r) elif k == 'branch': e.append(c.branch()) elif k == '-branch': e.append(invert(c.branch())) elif k == 'desc': e.append(c.description()) elif k == '-desc': e.append(invert(c.description())) elif k in 'user author': e.append(c.user()) elif k in '-user -author': e.append(invert(c.user())) elif k == 'date': e.append(c.date()[0]) elif k == '-date': e.append(-c.date()[0]) else: raise error.ParseError(_("unknown sort key %r") % k) e.append(r) l.append(e) l.sort() return [e[-1] for e in l] def _stringmatcher(pattern): """ accepts a string, possibly starting with 're:' or 'literal:' prefix. returns the matcher name, pattern, and matcher function. missing or unknown prefixes are treated as literal matches. helper for tests: >>> def test(pattern, *tests): ... kind, pattern, matcher = _stringmatcher(pattern) ... return (kind, pattern, [bool(matcher(t)) for t in tests]) exact matching (no prefix): >>> test('abcdefg', 'abc', 'def', 'abcdefg') ('literal', 'abcdefg', [False, False, True]) regex matching ('re:' prefix) >>> test('re:a.+b', 'nomatch', 'fooadef', 'fooadefbar') ('re', 'a.+b', [False, False, True]) force exact matches ('literal:' prefix) >>> test('literal:re:foobar', 'foobar', 're:foobar') ('literal', 're:foobar', [False, True]) unknown prefixes are ignored and treated as literals >>> test('foo:bar', 'foo', 'bar', 'foo:bar') ('literal', 'foo:bar', [False, False, True]) """ if pattern.startswith('re:'): pattern = pattern[3:] try: regex = re.compile(pattern) except re.error, e: raise error.ParseError(_('invalid regular expression: %s') % e) return 're', pattern, regex.search elif pattern.startswith('literal:'): pattern = pattern[8:] return 'literal', pattern, pattern.__eq__ def _substringmatcher(pattern): kind, pattern, matcher = _stringmatcher(pattern) if kind == 'literal': matcher = lambda s: pattern in s return kind, pattern, matcher def tag(repo, subset, x): """``tag([name])`` The specified tag by name, or all tagged revisions if no name is given. """ # i18n: "tag" is a keyword args = getargs(x, 0, 1, _("tag takes one or no arguments")) cl = repo.changelog if args: pattern = getstring(args[0], # i18n: "tag" is a keyword _('the argument to tag must be a string')) kind, pattern, matcher = _stringmatcher(pattern) if kind == 'literal': # avoid resolving all tags tn = repo._tagscache.tags.get(pattern, None) if tn is None: raise util.Abort(_("tag '%s' does not exist") % pattern) s = set([repo[tn].rev()]) else: s = set([cl.rev(n) for t, n in repo.tagslist() if matcher(t)]) if not s: raise util.Abort(_("no tags exist that match '%s'") % pattern) else: s = set([cl.rev(n) for t, n in repo.tagslist() if t != 'tip']) return [r for r in subset if r in s] def tagged(repo, subset, x): return tag(repo, subset, x) def unstable(repo, subset, x): """``unstable()`` Non-obsolete changesets with obsolete ancestors. """ # i18n: "unstable" is a keyword getargs(x, 0, 0, _("unstable takes no arguments")) unstables = obsmod.getrevs(repo, 'unstable') return [r for r in subset if r in unstables] def user(repo, subset, x): """``user(string)`` User name contains string. The match is case-insensitive. If `string` starts with `re:`, the remainder of the string is treated as a regular expression. To match a user that actually contains `re:`, use the prefix `literal:`. """ return author(repo, subset, x) # for internal use def _list(repo, subset, x): s = getstring(x, "internal error") if not s: return [] if not isinstance(subset, set): subset = set(subset) ls = [repo[r].rev() for r in s.split('\0')] return [r for r in ls if r in subset] symbols = { "adds": adds, "all": getall, "ancestor": ancestor, "ancestors": ancestors, "_firstancestors": _firstancestors, "author": author, "bisect": bisect, "bisected": bisected, "bookmark": bookmark, "branch": branch, "branchpoint": branchpoint, "bumped": bumped, "bundle": bundle, "children": children, "closed": closed, "contains": contains, "converted": converted, "date": date, "desc": desc, "descendants": descendants, "_firstdescendants": _firstdescendants, "destination": destination, "divergent": divergent, "draft": draft, "extinct": extinct, "extra": extra, "file": hasfile, "filelog": filelog, "first": first, "follow": follow, "_followfirst": _followfirst, "grep": grep, "head": head, "heads": heads, "hidden": hidden, "id": node_, "keyword": keyword, "last": last, "limit": limit, "_matchfiles": _matchfiles, "max": maxrev, "merge": merge, "min": minrev, "modifies": modifies, "obsolete": obsolete, "origin": origin, "outgoing": outgoing, "p1": p1, "p2": p2, "parents": parents, "present": present, "public": public, "remote": remote, "removes": removes, "rev": rev, "reverse": reverse, "roots": roots, "sort": sort, "secret": secret, "matching": matching, "tag": tag, "tagged": tagged, "user": user, "unstable": unstable, "_list": _list, } methods = { "range": rangeset, "dagrange": dagrange, "string": stringset, "symbol": symbolset, "and": andset, "or": orset, "not": notset, "list": listset, "func": func, "ancestor": ancestorspec, "parent": parentspec, "parentpost": p1, } def optimize(x, small): if x is None: return 0, x smallbonus = 1 if small: smallbonus = .5 op = x[0] if op == 'minus': return optimize(('and', x[1], ('not', x[2])), small) elif op == 'dagrangepre': return optimize(('func', ('symbol', 'ancestors'), x[1]), small) elif op == 'dagrangepost': return optimize(('func', ('symbol', 'descendants'), x[1]), small) elif op == 'rangepre': return optimize(('range', ('string', '0'), x[1]), small) elif op == 'rangepost': return optimize(('range', x[1], ('string', 'tip')), small) elif op == 'negate': return optimize(('string', '-' + getstring(x[1], _("can't negate that"))), small) elif op in 'string symbol negate': return smallbonus, x # single revisions are small elif op == 'and': wa, ta = optimize(x[1], True) wb, tb = optimize(x[2], True) w = min(wa, wb) if wa > wb: return w, (op, tb, ta) return w, (op, ta, tb) elif op == 'or': wa, ta = optimize(x[1], False) wb, tb = optimize(x[2], False) if wb < wa: wb, wa = wa, wb return max(wa, wb), (op, ta, tb) elif op == 'not': o = optimize(x[1], not small) return o[0], (op, o[1]) elif op == 'parentpost': o = optimize(x[1], small) return o[0], (op, o[1]) elif op == 'group': return optimize(x[1], small) elif op in 'dagrange range list parent ancestorspec': if op == 'parent': # x^:y means (x^) : y, not x ^ (:y) post = ('parentpost', x[1]) if x[2][0] == 'dagrangepre': return optimize(('dagrange', post, x[2][1]), small) elif x[2][0] == 'rangepre': return optimize(('range', post, x[2][1]), small) wa, ta = optimize(x[1], small) wb, tb = optimize(x[2], small) return wa + wb, (op, ta, tb) elif op == 'func': f = getstring(x[1], _("not a symbol")) wa, ta = optimize(x[2], small) if f in ("author branch closed date desc file grep keyword " "outgoing user"): w = 10 # slow elif f in "modifies adds removes": w = 30 # slower elif f == "contains": w = 100 # very slow elif f == "ancestor": w = 1 * smallbonus elif f in "reverse limit first": w = 0 elif f in "sort": w = 10 # assume most sorts look at changelog else: w = 1 return w + wa, (op, x[1], ta) return 1, x _aliasarg = ('func', ('symbol', '_aliasarg')) def _getaliasarg(tree): """If tree matches ('func', ('symbol', '_aliasarg'), ('string', X)) return X, None otherwise. """ if (len(tree) == 3 and tree[:2] == _aliasarg and tree[2][0] == 'string'): return tree[2][1] return None def _checkaliasarg(tree, known=None): """Check tree contains no _aliasarg construct or only ones which value is in known. Used to avoid alias placeholders injection. """ if isinstance(tree, tuple): arg = _getaliasarg(tree) if arg is not None and (not known or arg not in known): raise error.ParseError(_("not a function: %s") % '_aliasarg') for t in tree: _checkaliasarg(t, known) class revsetalias(object): funcre = re.compile('^([^(]+)\(([^)]+)\)$') args = None def __init__(self, name, value): '''Aliases like: h = heads(default) b($1) = ancestors($1) - ancestors(default) ''' m = self.funcre.search(name) if m: self.name = m.group(1) self.tree = ('func', ('symbol', m.group(1))) self.args = [x.strip() for x in m.group(2).split(',')] for arg in self.args: # _aliasarg() is an unknown symbol only used separate # alias argument placeholders from regular strings. value = value.replace(arg, '_aliasarg(%r)' % (arg,)) else: self.name = name self.tree = ('symbol', name) self.replacement, pos = parse(value) if pos != len(value): raise error.ParseError(_('invalid token'), pos) # Check for placeholder injection _checkaliasarg(self.replacement, self.args) def _getalias(aliases, tree): """If tree looks like an unexpanded alias, return it. Return None otherwise. """ if isinstance(tree, tuple) and tree: if tree[0] == 'symbol' and len(tree) == 2: name = tree[1] alias = aliases.get(name) if alias and alias.args is None and alias.tree == tree: return alias if tree[0] == 'func' and len(tree) > 1: if tree[1][0] == 'symbol' and len(tree[1]) == 2: name = tree[1][1] alias = aliases.get(name) if alias and alias.args is not None and alias.tree == tree[:2]: return alias return None def _expandargs(tree, args): """Replace _aliasarg instances with the substitution value of the same name in args, recursively. """ if not tree or not isinstance(tree, tuple): return tree arg = _getaliasarg(tree) if arg is not None: return args[arg] return tuple(_expandargs(t, args) for t in tree) def _expandaliases(aliases, tree, expanding, cache): """Expand aliases in tree, recursively. 'aliases' is a dictionary mapping user defined aliases to revsetalias objects. """ if not isinstance(tree, tuple): # Do not expand raw strings return tree alias = _getalias(aliases, tree) if alias is not None: if alias in expanding: raise error.ParseError(_('infinite expansion of revset alias "%s" ' 'detected') % alias.name) expanding.append(alias) if alias.name not in cache: cache[alias.name] = _expandaliases(aliases, alias.replacement, expanding, cache) result = cache[alias.name] expanding.pop() if alias.args is not None: l = getlist(tree[2]) if len(l) != len(alias.args): raise error.ParseError( _('invalid number of arguments: %s') % len(l)) l = [_expandaliases(aliases, a, [], cache) for a in l] result = _expandargs(result, dict(zip(alias.args, l))) else: result = tuple(_expandaliases(aliases, t, expanding, cache) for t in tree) return result def findaliases(ui, tree): _checkaliasarg(tree) aliases = {} for k, v in ui.configitems('revsetalias'): alias = revsetalias(k, v) aliases[alias.name] = alias return _expandaliases(aliases, tree, [], {}) parse = parser.parser(tokenize, elements).parse def match(ui, spec): if not spec: raise error.ParseError(_("empty query")) tree, pos = parse(spec) if (pos != len(spec)): raise error.ParseError(_("invalid token"), pos) if ui: tree = findaliases(ui, tree) weight, tree = optimize(tree, True) def mfunc(repo, subset): return getset(repo, subset, tree) return mfunc def formatspec(expr, *args): ''' This is a convenience function for using revsets internally, and escapes arguments appropriately. Aliases are intentionally ignored so that intended expression behavior isn't accidentally subverted. Supported arguments: %r = revset expression, parenthesized %d = int(arg), no quoting %s = string(arg), escaped and single-quoted %b = arg.branch(), escaped and single-quoted %n = hex(arg), single-quoted %% = a literal '%' Prefixing the type with 'l' specifies a parenthesized list of that type. >>> formatspec('%r:: and %lr', '10 or 11', ("this()", "that()")) '(10 or 11):: and ((this()) or (that()))' >>> formatspec('%d:: and not %d::', 10, 20) '10:: and not 20::' >>> formatspec('%ld or %ld', [], [1]) "_list('') or 1" >>> formatspec('keyword(%s)', 'foo\\xe9') "keyword('foo\\\\xe9')" >>> b = lambda: 'default' >>> b.branch = b >>> formatspec('branch(%b)', b) "branch('default')" >>> formatspec('root(%ls)', ['a', 'b', 'c', 'd']) "root(_list('a\\x00b\\x00c\\x00d'))" ''' def quote(s): return repr(str(s)) def argtype(c, arg): if c == 'd': return str(int(arg)) elif c == 's': return quote(arg) elif c == 'r': parse(arg) # make sure syntax errors are confined return '(%s)' % arg elif c == 'n': return quote(node.hex(arg)) elif c == 'b': return quote(arg.branch()) def listexp(s, t): l = len(s) if l == 0: return "_list('')" elif l == 1: return argtype(t, s[0]) elif t == 'd': return "_list('%s')" % "\0".join(str(int(a)) for a in s) elif t == 's': return "_list('%s')" % "\0".join(s) elif t == 'n': return "_list('%s')" % "\0".join(node.hex(a) for a in s) elif t == 'b': return "_list('%s')" % "\0".join(a.branch() for a in s) m = l // 2 return '(%s or %s)' % (listexp(s[:m], t), listexp(s[m:], t)) ret = '' pos = 0 arg = 0 while pos < len(expr): c = expr[pos] if c == '%': pos += 1 d = expr[pos] if d == '%': ret += d elif d in 'dsnbr': ret += argtype(d, args[arg]) arg += 1 elif d == 'l': # a list of some type pos += 1 d = expr[pos] ret += listexp(list(args[arg]), d) arg += 1 else: raise util.Abort('unexpected revspec format character %s' % d) else: ret += c pos += 1 return ret def prettyformat(tree): def _prettyformat(tree, level, lines): if not isinstance(tree, tuple) or tree[0] in ('string', 'symbol'): lines.append((level, str(tree))) else: lines.append((level, '(%s' % tree[0])) for s in tree[1:]: _prettyformat(s, level + 1, lines) lines[-1:] = [(lines[-1][0], lines[-1][1] + ')')] lines = [] _prettyformat(tree, 0, lines) output = '\n'.join((' '*l + s) for l, s in lines) return output # tell hggettext to extract docstrings from these functions: i18nfunctions = symbols.values()