|
|
# 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, incorporated herein by reference.
|
|
|
'''show revision graphs in terminal windows
|
|
|
|
|
|
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.
|
|
|
'''
|
|
|
|
|
|
import os
|
|
|
from mercurial.cmdutil import revrange, show_changeset
|
|
|
from mercurial.commands import templateopts
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.node import nullrev
|
|
|
from mercurial import bundlerepo, changegroup, cmdutil, commands, extensions
|
|
|
from mercurial import hg, url, util
|
|
|
|
|
|
def revisions(repo, start, stop):
|
|
|
"""cset DAG generator yielding (rev, node, [parents]) tuples
|
|
|
|
|
|
This generator function walks through the revision history from revision
|
|
|
start to revision stop (which must be less than or equal to start).
|
|
|
"""
|
|
|
assert start >= stop
|
|
|
cur = start
|
|
|
while cur >= stop:
|
|
|
ctx = repo[cur]
|
|
|
parents = [p.rev() for p in ctx.parents() if p.rev() != nullrev]
|
|
|
parents.sort()
|
|
|
yield (ctx, parents)
|
|
|
cur -= 1
|
|
|
|
|
|
def filerevs(repo, path, start, stop):
|
|
|
"""file cset DAG generator yielding (rev, node, [parents]) tuples
|
|
|
|
|
|
This generator function walks through the revision history of a single
|
|
|
file from revision start to revision stop (which must be less than or
|
|
|
equal to start).
|
|
|
"""
|
|
|
assert start >= stop
|
|
|
filerev = len(repo.file(path)) - 1
|
|
|
while filerev >= 0:
|
|
|
fctx = repo.filectx(path, fileid=filerev)
|
|
|
parents = [f.linkrev() for f in fctx.parents() if f.path() == path]
|
|
|
parents.sort()
|
|
|
if fctx.rev() <= start:
|
|
|
yield (fctx, parents)
|
|
|
if fctx.rev() <= stop:
|
|
|
break
|
|
|
filerev -= 1
|
|
|
|
|
|
def grapher(nodes):
|
|
|
"""grapher for asciigraph on a list of nodes and their parents
|
|
|
|
|
|
nodes must generate tuples (node, parents, char, lines) where
|
|
|
- parents must generate the parents of node, in sorted order,
|
|
|
and max length 2,
|
|
|
- char is the char to print as the node symbol, and
|
|
|
- lines are the lines to display next to the node.
|
|
|
"""
|
|
|
seen = []
|
|
|
for node, parents, char, lines in nodes:
|
|
|
if node not in seen:
|
|
|
seen.append(node)
|
|
|
nodeidx = seen.index(node)
|
|
|
|
|
|
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]
|
|
|
|
|
|
if len(newparents) > 0:
|
|
|
edges.append((nodeidx, nodeidx))
|
|
|
if len(newparents) > 1:
|
|
|
edges.append((nodeidx, nodeidx + 1))
|
|
|
nmorecols = len(nextseen) - ncols
|
|
|
seen = nextseen
|
|
|
yield (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:
|
|
|
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 ascii(ui, grapher):
|
|
|
"""prints an ASCII graph of the DAG returned by the grapher
|
|
|
|
|
|
grapher is a generator that emits tuples with the following elements:
|
|
|
|
|
|
- Character to use as node's symbol.
|
|
|
- List of lines to display as the node's text.
|
|
|
- Column of the current node in the set of ongoing edges.
|
|
|
- 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.
|
|
|
"""
|
|
|
prev_n_columns_diff = 0
|
|
|
prev_node_index = 0
|
|
|
for (node_ch, node_lines, node_index, edges, n_columns, n_columns_diff) in grapher:
|
|
|
|
|
|
assert -2 < n_columns_diff < 2
|
|
|
if n_columns_diff == -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(node_lines) > 2 and
|
|
|
n_columns_diff == -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(node_lines) <= 2 and not add_padding_line
|
|
|
|
|
|
# nodeline is the line containing the node character (typically o)
|
|
|
nodeline = ["|", " "] * node_index
|
|
|
nodeline.extend([node_ch, " "])
|
|
|
|
|
|
nodeline.extend(
|
|
|
get_nodeline_edges_tail(
|
|
|
node_index, prev_node_index, n_columns, n_columns_diff,
|
|
|
prev_n_columns_diff, fix_nodeline_tail))
|
|
|
|
|
|
# shift_interline is the line containing the non-vertical
|
|
|
# edges between this entry and the next
|
|
|
shift_interline = ["|", " "] * node_index
|
|
|
if n_columns_diff == -1:
|
|
|
n_spaces = 1
|
|
|
edge_ch = "/"
|
|
|
elif n_columns_diff == 0:
|
|
|
n_spaces = 2
|
|
|
edge_ch = "|"
|
|
|
else:
|
|
|
n_spaces = 3
|
|
|
edge_ch = "\\"
|
|
|
shift_interline.extend(n_spaces * [" "])
|
|
|
shift_interline.extend([edge_ch, " "] * (n_columns - node_index - 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(node_index, n_columns, edges))
|
|
|
lines.append(shift_interline)
|
|
|
|
|
|
# make sure that there are as many graph lines as there are
|
|
|
# log strings
|
|
|
while len(node_lines) < len(lines):
|
|
|
node_lines.append("")
|
|
|
if len(lines) < len(node_lines):
|
|
|
extra_interline = ["|", " "] * (n_columns + n_columns_diff)
|
|
|
while len(lines) < len(node_lines):
|
|
|
lines.append(extra_interline)
|
|
|
|
|
|
# print lines
|
|
|
indentation_level = max(n_columns, n_columns + n_columns_diff)
|
|
|
for (line, logstr) in zip(lines, node_lines):
|
|
|
ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr)
|
|
|
ui.write(ln.rstrip() + '\n')
|
|
|
|
|
|
# ... and start over
|
|
|
prev_node_index = node_index
|
|
|
prev_n_columns_diff = n_columns_diff
|
|
|
|
|
|
def get_revs(repo, rev_opt):
|
|
|
if rev_opt:
|
|
|
revs = revrange(repo, rev_opt)
|
|
|
return (max(revs), min(revs))
|
|
|
else:
|
|
|
return (len(repo) - 1, 0)
|
|
|
|
|
|
def check_unsupported_flags(opts):
|
|
|
for op in ["follow", "follow_first", "date", "copies", "keyword", "remove",
|
|
|
"only_merges", "user", "only_branch", "prune", "newest_first",
|
|
|
"no_merges", "include", "exclude"]:
|
|
|
if op in opts and opts[op]:
|
|
|
raise util.Abort(_("--graph option is incompatible with --%s") % op)
|
|
|
|
|
|
def graphlog(ui, repo, path=None, **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.
|
|
|
"""
|
|
|
|
|
|
check_unsupported_flags(opts)
|
|
|
limit = cmdutil.loglimit(opts)
|
|
|
start, stop = get_revs(repo, opts["rev"])
|
|
|
stop = max(stop, start - limit + 1)
|
|
|
if start == nullrev:
|
|
|
return
|
|
|
|
|
|
if path:
|
|
|
path = util.canonpath(repo.root, os.getcwd(), path)
|
|
|
if path: # could be reset in canonpath
|
|
|
revdag = filerevs(repo, path, start, stop)
|
|
|
else:
|
|
|
revdag = revisions(repo, start, stop)
|
|
|
|
|
|
graphdag = graphabledag(ui, repo, revdag, opts)
|
|
|
ascii(ui, grapher(graphdag))
|
|
|
|
|
|
def graphrevs(repo, nodes, opts):
|
|
|
include = set(nodes)
|
|
|
limit = cmdutil.loglimit(opts)
|
|
|
count = 0
|
|
|
for node in reversed(nodes):
|
|
|
if count >= limit:
|
|
|
break
|
|
|
ctx = repo[node]
|
|
|
parents = [p.rev() for p in ctx.parents() if p.node() in include]
|
|
|
parents.sort()
|
|
|
yield (ctx, parents)
|
|
|
count += 1
|
|
|
|
|
|
def graphabledag(ui, repo, revdag, opts):
|
|
|
showparents = [ctx.node() for ctx in repo[None].parents()]
|
|
|
displayer = show_changeset(ui, repo, opts, buffered=True)
|
|
|
for (ctx, parents) in revdag:
|
|
|
displayer.show(ctx)
|
|
|
lines = displayer.hunk.pop(ctx.rev()).split('\n')[:-1]
|
|
|
char = ctx.node() in showparents and '@' or 'o'
|
|
|
yield (ctx.rev(), parents, char, lines)
|
|
|
|
|
|
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)
|
|
|
dest, revs, checkout = hg.parseurl(
|
|
|
ui.expandpath(dest or 'default-push', dest or 'default'),
|
|
|
opts.get('rev'))
|
|
|
if revs:
|
|
|
revs = [repo.lookup(rev) for rev in revs]
|
|
|
other = hg.repository(cmdutil.remoteui(ui, opts), dest)
|
|
|
ui.status(_('comparing with %s\n') % url.hidepassword(dest))
|
|
|
o = repo.findoutgoing(other, force=opts.get('force'))
|
|
|
if not o:
|
|
|
ui.status(_("no changes found\n"))
|
|
|
return
|
|
|
|
|
|
o = repo.changelog.nodesbetween(o, revs)[0]
|
|
|
revdag = graphrevs(repo, o, opts)
|
|
|
graphdag = graphabledag(ui, repo, revdag, opts)
|
|
|
ascii(ui, grapher(graphdag))
|
|
|
|
|
|
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.
|
|
|
"""
|
|
|
|
|
|
check_unsupported_flags(opts)
|
|
|
source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev'))
|
|
|
other = hg.repository(cmdutil.remoteui(repo, opts), source)
|
|
|
ui.status(_('comparing with %s\n') % url.hidepassword(source))
|
|
|
if revs:
|
|
|
revs = [other.lookup(rev) for rev in revs]
|
|
|
incoming = repo.findincoming(other, heads=revs, force=opts["force"])
|
|
|
if not incoming:
|
|
|
try:
|
|
|
os.unlink(opts["bundle"])
|
|
|
except:
|
|
|
pass
|
|
|
ui.status(_("no changes found\n"))
|
|
|
return
|
|
|
|
|
|
cleanup = None
|
|
|
try:
|
|
|
|
|
|
fname = opts["bundle"]
|
|
|
if fname or not other.local():
|
|
|
# create a bundle (uncompressed if other repo is not local)
|
|
|
if revs is None:
|
|
|
cg = other.changegroup(incoming, "incoming")
|
|
|
else:
|
|
|
cg = other.changegroupsubset(incoming, revs, 'incoming')
|
|
|
bundletype = other.local() and "HG10BZ" or "HG10UN"
|
|
|
fname = cleanup = changegroup.writebundle(cg, fname, bundletype)
|
|
|
# keep written bundle?
|
|
|
if opts["bundle"]:
|
|
|
cleanup = None
|
|
|
if not other.local():
|
|
|
# use the created uncompressed bundlerepo
|
|
|
other = bundlerepo.bundlerepository(ui, repo.root, fname)
|
|
|
|
|
|
chlist = other.changelog.nodesbetween(incoming, revs)[0]
|
|
|
revdag = graphrevs(other, chlist, opts)
|
|
|
graphdag = graphabledag(ui, repo, revdag, opts)
|
|
|
ascii(ui, grapher(graphdag))
|
|
|
|
|
|
finally:
|
|
|
if hasattr(other, 'close'):
|
|
|
other.close()
|
|
|
if cleanup:
|
|
|
os.unlink(cleanup)
|
|
|
|
|
|
def uisetup(ui):
|
|
|
'''Initialize the extension.'''
|
|
|
_wrapcmd(ui, 'log', commands.table, graphlog)
|
|
|
_wrapcmd(ui, 'incoming', commands.table, gincoming)
|
|
|
_wrapcmd(ui, 'outgoing', commands.table, goutgoing)
|
|
|
|
|
|
def _wrapcmd(ui, 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")))
|
|
|
|
|
|
cmdtable = {
|
|
|
"glog":
|
|
|
(graphlog,
|
|
|
[('l', 'limit', '', _('limit number of changes displayed')),
|
|
|
('p', 'patch', False, _('show patch')),
|
|
|
('r', 'rev', [], _('show the specified revision or range')),
|
|
|
] + templateopts,
|
|
|
_('hg glog [OPTION]... [FILE]')),
|
|
|
}
|
|
|
|
