test-alias: adapt for Windows
The test used 'echo' to test '!' style aliases. On Windows 'echo' is handled
by cmd and thus behaves very differently from the 'normal' echo command.
The simple workaround used here for using the same alias on all platforms
is to use 'printf' instead. Msys 'printf' will also handle sh quoting and
escaping in cmd.
Environment variable expansion with sh syntax is handled by launching sh.
# ASCII graph log extension for Mercurial
#
# Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
'''command to view revision graphs from a shell
This extension adds a --graph option to the incoming, outgoing and log
commands. When this options is given, an ASCII representation of the
revision graph is also shown.
'''
from mercurial.cmdutil import show_changeset
from mercurial.i18n import _
from mercurial.node import nullrev
from mercurial import cmdutil, commands, extensions, scmutil
from mercurial import hg, util, graphmod, templatekw, revset
cmdtable = {}
command = cmdutil.command(cmdtable)
testedwith = 'internal'
ASCIIDATA = 'ASC'
def asciiedges(type, char, lines, seen, rev, parents):
"""adds edge info to changelog DAG walk suitable for ascii()"""
if rev not in seen:
seen.append(rev)
nodeidx = seen.index(rev)
knownparents = []
newparents = []
for parent in parents:
if parent in seen:
knownparents.append(parent)
else:
newparents.append(parent)
ncols = len(seen)
nextseen = seen[:]
nextseen[nodeidx:nodeidx + 1] = newparents
edges = [(nodeidx, nextseen.index(p)) for p in knownparents]
while len(newparents) > 2:
# ascii() only knows how to add or remove a single column between two
# calls. Nodes with more than two parents break this constraint so we
# introduce intermediate expansion lines to grow the active node list
# slowly.
edges.append((nodeidx, nodeidx))
edges.append((nodeidx, nodeidx + 1))
nmorecols = 1
yield (type, char, lines, (nodeidx, edges, ncols, nmorecols))
char = '\\'
lines = []
nodeidx += 1
ncols += 1
edges = []
del newparents[0]
if len(newparents) > 0:
edges.append((nodeidx, nodeidx))
if len(newparents) > 1:
edges.append((nodeidx, nodeidx + 1))
nmorecols = len(nextseen) - ncols
seen[:] = nextseen
yield (type, char, lines, (nodeidx, edges, ncols, nmorecols))
def fix_long_right_edges(edges):
for (i, (start, end)) in enumerate(edges):
if end > start:
edges[i] = (start, end + 1)
def get_nodeline_edges_tail(
node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail):
if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0:
# Still going in the same non-vertical direction.
if n_columns_diff == -1:
start = max(node_index + 1, p_node_index)
tail = ["|", " "] * (start - node_index - 1)
tail.extend(["/", " "] * (n_columns - start))
return tail
else:
return ["\\", " "] * (n_columns - node_index - 1)
else:
return ["|", " "] * (n_columns - node_index - 1)
def draw_edges(edges, nodeline, interline):
for (start, end) in edges:
if start == end + 1:
interline[2 * end + 1] = "/"
elif start == end - 1:
interline[2 * start + 1] = "\\"
elif start == end:
interline[2 * start] = "|"
else:
if 2 * end >= len(nodeline):
continue
nodeline[2 * end] = "+"
if start > end:
(start, end) = (end, start)
for i in range(2 * start + 1, 2 * end):
if nodeline[i] != "+":
nodeline[i] = "-"
def get_padding_line(ni, n_columns, edges):
line = []
line.extend(["|", " "] * ni)
if (ni, ni - 1) in edges or (ni, ni) in edges:
# (ni, ni - 1) (ni, ni)
# | | | | | | | |
# +---o | | o---+
# | | c | | c | |
# | |/ / | |/ /
# | | | | | |
c = "|"
else:
c = " "
line.extend([c, " "])
line.extend(["|", " "] * (n_columns - ni - 1))
return line
def asciistate():
"""returns the initial value for the "state" argument to ascii()"""
return [0, 0]
def ascii(ui, state, type, char, text, coldata):
"""prints an ASCII graph of the DAG
takes the following arguments (one call per node in the graph):
- ui to write to
- Somewhere to keep the needed state in (init to asciistate())
- Column of the current node in the set of ongoing edges.
- Type indicator of node data == ASCIIDATA.
- Payload: (char, lines):
- Character to use as node's symbol.
- List of lines to display as the node's text.
- Edges; a list of (col, next_col) indicating the edges between
the current node and its parents.
- Number of columns (ongoing edges) in the current revision.
- The difference between the number of columns (ongoing edges)
in the next revision and the number of columns (ongoing edges)
in the current revision. That is: -1 means one column removed;
0 means no columns added or removed; 1 means one column added.
"""
idx, edges, ncols, coldiff = coldata
assert -2 < coldiff < 2
if coldiff == -1:
# Transform
#
# | | | | | |
# o | | into o---+
# |X / |/ /
# | | | |
fix_long_right_edges(edges)
# add_padding_line says whether to rewrite
#
# | | | | | | | |
# | o---+ into | o---+
# | / / | | | # <--- padding line
# o | | | / /
# o | |
add_padding_line = (len(text) > 2 and coldiff == -1 and
[x for (x, y) in edges if x + 1 < y])
# fix_nodeline_tail says whether to rewrite
#
# | | o | | | | o | |
# | | |/ / | | |/ /
# | o | | into | o / / # <--- fixed nodeline tail
# | |/ / | |/ /
# o | | o | |
fix_nodeline_tail = len(text) <= 2 and not add_padding_line
# nodeline is the line containing the node character (typically o)
nodeline = ["|", " "] * idx
nodeline.extend([char, " "])
nodeline.extend(
get_nodeline_edges_tail(idx, state[1], ncols, coldiff,
state[0], fix_nodeline_tail))
# shift_interline is the line containing the non-vertical
# edges between this entry and the next
shift_interline = ["|", " "] * idx
if coldiff == -1:
n_spaces = 1
edge_ch = "/"
elif coldiff == 0:
n_spaces = 2
edge_ch = "|"
else:
n_spaces = 3
edge_ch = "\\"
shift_interline.extend(n_spaces * [" "])
shift_interline.extend([edge_ch, " "] * (ncols - idx - 1))
# draw edges from the current node to its parents
draw_edges(edges, nodeline, shift_interline)
# lines is the list of all graph lines to print
lines = [nodeline]
if add_padding_line:
lines.append(get_padding_line(idx, ncols, edges))
lines.append(shift_interline)
# make sure that there are as many graph lines as there are
# log strings
while len(text) < len(lines):
text.append("")
if len(lines) < len(text):
extra_interline = ["|", " "] * (ncols + coldiff)
while len(lines) < len(text):
lines.append(extra_interline)
# print lines
indentation_level = max(ncols, ncols + coldiff)
for (line, logstr) in zip(lines, text):
ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr)
ui.write(ln.rstrip() + '\n')
# ... and start over
state[0] = coldiff
state[1] = idx
def get_revs(repo, rev_opt):
if rev_opt:
revs = scmutil.revrange(repo, rev_opt)
if len(revs) == 0:
return (nullrev, nullrev)
return (max(revs), min(revs))
else:
return (len(repo) - 1, 0)
def check_unsupported_flags(pats, opts):
for op in ["newest_first"]:
if op in opts and opts[op]:
raise util.Abort(_("-G/--graph option is incompatible with --%s")
% op.replace("_", "-"))
def _makefilematcher(repo, pats, followfirst):
# When displaying a revision with --patch --follow FILE, we have
# to know which file of the revision must be diffed. With
# --follow, we want the names of the ancestors of FILE in the
# revision, stored in "fcache". "fcache" is populated by
# reproducing the graph traversal already done by --follow revset
# and relating linkrevs to file names (which is not "correct" but
# good enough).
fcache = {}
fcacheready = [False]
pctx = repo['.']
wctx = repo[None]
def populate():
for fn in pats:
for i in ((pctx[fn],), pctx[fn].ancestors(followfirst=followfirst)):
for c in i:
fcache.setdefault(c.linkrev(), set()).add(c.path())
def filematcher(rev):
if not fcacheready[0]:
# Lazy initialization
fcacheready[0] = True
populate()
return scmutil.match(wctx, fcache.get(rev, []), default='path')
return filematcher
def _makelogrevset(repo, pats, opts, revs):
"""Return (expr, filematcher) where expr is a revset string built
from log options and file patterns or None. If --stat or --patch
are not passed filematcher is None. Otherwise it is a callable
taking a revision number and returning a match objects filtering
the files to be detailed when displaying the revision.
"""
opt2revset = {
'no_merges': ('not merge()', None),
'only_merges': ('merge()', None),
'_ancestors': ('ancestors(%(val)s)', None),
'_fancestors': ('_firstancestors(%(val)s)', None),
'_descendants': ('descendants(%(val)s)', None),
'_fdescendants': ('_firstdescendants(%(val)s)', None),
'_matchfiles': ('_matchfiles(%(val)s)', None),
'date': ('date(%(val)r)', None),
'branch': ('branch(%(val)r)', ' or '),
'_patslog': ('filelog(%(val)r)', ' or '),
'_patsfollow': ('follow(%(val)r)', ' or '),
'_patsfollowfirst': ('_followfirst(%(val)r)', ' or '),
'keyword': ('keyword(%(val)r)', ' or '),
'prune': ('not (%(val)r or ancestors(%(val)r))', ' and '),
'user': ('user(%(val)r)', ' or '),
}
opts = dict(opts)
# follow or not follow?
follow = opts.get('follow') or opts.get('follow_first')
followfirst = opts.get('follow_first') and 1 or 0
# --follow with FILE behaviour depends on revs...
startrev = revs[0]
followdescendants = (len(revs) > 1 and revs[0] < revs[1]) and 1 or 0
# branch and only_branch are really aliases and must be handled at
# the same time
opts['branch'] = opts.get('branch', []) + opts.get('only_branch', [])
opts['branch'] = [repo.lookupbranch(b) for b in opts['branch']]
# pats/include/exclude are passed to match.match() directly in
# _matchfile() revset but walkchangerevs() builds its matcher with
# scmutil.match(). The difference is input pats are globbed on
# platforms without shell expansion (windows).
pctx = repo[None]
match, pats = scmutil.matchandpats(pctx, pats, opts)
slowpath = match.anypats() or (match.files() and opts.get('removed'))
if not slowpath:
for f in match.files():
if follow and f not in pctx:
raise util.Abort(_('cannot follow file not in parent '
'revision: "%s"') % f)
filelog = repo.file(f)
if not len(filelog):
# A zero count may be a directory or deleted file, so
# try to find matching entries on the slow path.
if follow:
raise util.Abort(
_('cannot follow nonexistent file: "%s"') % f)
slowpath = True
if slowpath:
# See cmdutil.walkchangerevs() slow path.
#
if follow:
raise util.Abort(_('can only follow copies/renames for explicit '
'filenames'))
# pats/include/exclude cannot be represented as separate
# revset expressions as their filtering logic applies at file
# level. For instance "-I a -X a" matches a revision touching
# "a" and "b" while "file(a) and not file(b)" does
# not. Besides, filesets are evaluated against the working
# directory.
matchargs = ['r:', 'd:relpath']
for p in pats:
matchargs.append('p:' + p)
for p in opts.get('include', []):
matchargs.append('i:' + p)
for p in opts.get('exclude', []):
matchargs.append('x:' + p)
matchargs = ','.join(('%r' % p) for p in matchargs)
opts['_matchfiles'] = matchargs
else:
if follow:
fpats = ('_patsfollow', '_patsfollowfirst')
fnopats = (('_ancestors', '_fancestors'),
('_descendants', '_fdescendants'))
if pats:
# follow() revset inteprets its file argument as a
# manifest entry, so use match.files(), not pats.
opts[fpats[followfirst]] = list(match.files())
else:
opts[fnopats[followdescendants][followfirst]] = str(startrev)
else:
opts['_patslog'] = list(pats)
filematcher = None
if opts.get('patch') or opts.get('stat'):
if follow:
filematcher = _makefilematcher(repo, pats, followfirst)
else:
filematcher = lambda rev: match
expr = []
for op, val in opts.iteritems():
if not val:
continue
if op not in opt2revset:
continue
revop, andor = opt2revset[op]
if '%(val)' not in revop:
expr.append(revop)
else:
if not isinstance(val, list):
e = revop % {'val': val}
else:
e = '(' + andor.join((revop % {'val': v}) for v in val) + ')'
expr.append(e)
if expr:
expr = '(' + ' and '.join(expr) + ')'
else:
expr = None
return expr, filematcher
def getlogrevs(repo, pats, opts):
"""Return (revs, expr, filematcher) where revs is an iterable of
revision numbers, expr is a revset string built from log options
and file patterns or None, and used to filter 'revs'. If --stat or
--patch are not passed filematcher is None. Otherwise it is a
callable taking a revision number and returning a match objects
filtering the files to be detailed when displaying the revision.
"""
def increasingrevs(repo, revs, matcher):
# The sorted input rev sequence is chopped in sub-sequences
# which are sorted in ascending order and passed to the
# matcher. The filtered revs are sorted again as they were in
# the original sub-sequence. This achieve several things:
#
# - getlogrevs() now returns a generator which behaviour is
# adapted to log need. First results come fast, last ones
# are batched for performances.
#
# - revset matchers often operate faster on revision in
# changelog order, because most filters deal with the
# changelog.
#
# - revset matchers can reorder revisions. "A or B" typically
# returns returns the revision matching A then the revision
# matching B. We want to hide this internal implementation
# detail from the caller, and sorting the filtered revision
# again achieves this.
for i, window in cmdutil.increasingwindows(0, len(revs), windowsize=1):
orevs = revs[i:i + window]
nrevs = set(matcher(repo, sorted(orevs)))
for rev in orevs:
if rev in nrevs:
yield rev
if not len(repo):
return iter([]), None, None
# Default --rev value depends on --follow but --follow behaviour
# depends on revisions resolved from --rev...
follow = opts.get('follow') or opts.get('follow_first')
if opts.get('rev'):
revs = scmutil.revrange(repo, opts['rev'])
else:
if follow and len(repo) > 0:
revs = scmutil.revrange(repo, ['.:0'])
else:
revs = range(len(repo) - 1, -1, -1)
if not revs:
return iter([]), None, None
expr, filematcher = _makelogrevset(repo, pats, opts, revs)
if expr:
matcher = revset.match(repo.ui, expr)
revs = increasingrevs(repo, revs, matcher)
if not opts.get('hidden'):
# --hidden is still experimental and not worth a dedicated revset
# yet. Fortunately, filtering revision number is fast.
revs = (r for r in revs if r not in repo.changelog.hiddenrevs)
else:
revs = iter(revs)
return revs, expr, filematcher
def generate(ui, dag, displayer, showparents, edgefn, getrenamed=None,
filematcher=None):
seen, state = [], asciistate()
for rev, type, ctx, parents in dag:
char = ctx.node() in showparents and '@' or 'o'
copies = None
if getrenamed and ctx.rev():
copies = []
for fn in ctx.files():
rename = getrenamed(fn, ctx.rev())
if rename:
copies.append((fn, rename[0]))
revmatchfn = None
if filematcher is not None:
revmatchfn = filematcher(ctx.rev())
displayer.show(ctx, copies=copies, matchfn=revmatchfn)
lines = displayer.hunk.pop(rev).split('\n')[:-1]
displayer.flush(rev)
edges = edgefn(type, char, lines, seen, rev, parents)
for type, char, lines, coldata in edges:
ascii(ui, state, type, char, lines, coldata)
displayer.close()
@command('glog',
[('f', 'follow', None,
_('follow changeset history, or file history across copies and renames')),
('', 'follow-first', None,
_('only follow the first parent of merge changesets (DEPRECATED)')),
('d', 'date', '', _('show revisions matching date spec'), _('DATE')),
('C', 'copies', None, _('show copied files')),
('k', 'keyword', [],
_('do case-insensitive search for a given text'), _('TEXT')),
('r', 'rev', [], _('show the specified revision or range'), _('REV')),
('', 'removed', None, _('include revisions where files were removed')),
('m', 'only-merges', None, _('show only merges (DEPRECATED)')),
('u', 'user', [], _('revisions committed by user'), _('USER')),
('', 'only-branch', [],
_('show only changesets within the given named branch (DEPRECATED)'),
_('BRANCH')),
('b', 'branch', [],
_('show changesets within the given named branch'), _('BRANCH')),
('P', 'prune', [],
_('do not display revision or any of its ancestors'), _('REV')),
('', 'hidden', False, _('show hidden changesets (DEPRECATED)')),
] + commands.logopts + commands.walkopts,
_('[OPTION]... [FILE]'))
def graphlog(ui, repo, *pats, **opts):
"""show revision history alongside an ASCII revision graph
Print a revision history alongside a revision graph drawn with
ASCII characters.
Nodes printed as an @ character are parents of the working
directory.
"""
revs, expr, filematcher = getlogrevs(repo, pats, opts)
revs = sorted(revs, reverse=1)
limit = cmdutil.loglimit(opts)
if limit is not None:
revs = revs[:limit]
revdag = graphmod.dagwalker(repo, revs)
getrenamed = None
if opts.get('copies'):
endrev = None
if opts.get('rev'):
endrev = max(scmutil.revrange(repo, opts.get('rev'))) + 1
getrenamed = templatekw.getrenamedfn(repo, endrev=endrev)
displayer = show_changeset(ui, repo, opts, buffered=True)
showparents = [ctx.node() for ctx in repo[None].parents()]
generate(ui, revdag, displayer, showparents, asciiedges, getrenamed,
filematcher)
def graphrevs(repo, nodes, opts):
limit = cmdutil.loglimit(opts)
nodes.reverse()
if limit is not None:
nodes = nodes[:limit]
return graphmod.nodes(repo, nodes)
def goutgoing(ui, repo, dest=None, **opts):
"""show the outgoing changesets alongside an ASCII revision graph
Print the outgoing changesets alongside a revision graph drawn with
ASCII characters.
Nodes printed as an @ character are parents of the working
directory.
"""
check_unsupported_flags([], opts)
o = hg._outgoing(ui, repo, dest, opts)
if o is None:
return
revdag = graphrevs(repo, o, opts)
displayer = show_changeset(ui, repo, opts, buffered=True)
showparents = [ctx.node() for ctx in repo[None].parents()]
generate(ui, revdag, displayer, showparents, asciiedges)
def gincoming(ui, repo, source="default", **opts):
"""show the incoming changesets alongside an ASCII revision graph
Print the incoming changesets alongside a revision graph drawn with
ASCII characters.
Nodes printed as an @ character are parents of the working
directory.
"""
def subreporecurse():
return 1
check_unsupported_flags([], opts)
def display(other, chlist, displayer):
revdag = graphrevs(other, chlist, opts)
showparents = [ctx.node() for ctx in repo[None].parents()]
generate(ui, revdag, displayer, showparents, asciiedges)
hg._incoming(display, subreporecurse, ui, repo, source, opts, buffered=True)
def uisetup(ui):
'''Initialize the extension.'''
_wrapcmd('log', commands.table, graphlog)
_wrapcmd('incoming', commands.table, gincoming)
_wrapcmd('outgoing', commands.table, goutgoing)
def _wrapcmd(cmd, table, wrapfn):
'''wrap the command'''
def graph(orig, *args, **kwargs):
if kwargs['graph']:
return wrapfn(*args, **kwargs)
return orig(*args, **kwargs)
entry = extensions.wrapcommand(table, cmd, graph)
entry[1].append(('G', 'graph', None, _("show the revision DAG")))