##// END OF EJS Templates
rust-dirstatemap: add missing @propertycache...
rust-dirstatemap: add missing @propertycache While investigating a regression on `hg update` performance introduced by the Rust `dirstatemap`, two missing `@propertycache` were identified when comparing against the Python implementation. This adds back the first one, that has no observable impact on behavior. The second one (`nonnormalset`) is going to be more involved, as the caching has to be done from the Rust side of things. Differential Revision: https://phab.mercurial-scm.org/D8047

File last commit:

r43350:86e4daa2 default
r44719:7f5410df 5.3 stable
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show.py
530 lines | 15.9 KiB | text/x-python | PythonLexer
Gregory Szorc
show: new extension for displaying various repository data...
r31765 # show.py - Extension implementing `hg show`
#
# Copyright 2017 Gregory Szorc <gregory.szorc@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""unified command to show various repository information (EXPERIMENTAL)
This extension provides the :hg:`show` command, which provides a central
command for displaying commonly-accessed repository data and views of that
data.
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r33132
The following config options can influence operation.
``commands``
------------
``show.aliasprefix``
List of strings that will register aliases for views. e.g. ``s`` will
effectively set config options ``alias.s<view> = show <view>`` for all
views. i.e. `hg swork` would execute `hg show work`.
Aliases that would conflict with existing registrations will not be
performed.
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r31765 """
from __future__ import absolute_import
from mercurial.i18n import _
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r43346 from mercurial.node import nullrev
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r31765 from mercurial import (
cmdutil,
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r33132 commands,
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r33194 destutil,
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r31765 error,
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r31859 formatter,
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r31944 graphmod,
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cmdutil: drop aliases for logcmdutil functions (API)...
r35906 logcmdutil,
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r33194 phases,
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py3: have registrar process docstrings in bytes...
r31820 pycompat,
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r31765 registrar,
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r31944 revset,
revsetlang,
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scmutil: introduce shortesthexnodeidprefix()...
r37698 scmutil,
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r31765 )
# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
# leave the attribute unspecified.
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r43347 testedwith = b'ships-with-hg-core'
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r31765
cmdtable = {}
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r32337 command = registrar.command(cmdtable)
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r34519
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r31944 revsetpredicate = registrar.revsetpredicate()
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r31765
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r31765 class showcmdfunc(registrar._funcregistrarbase):
"""Register a function to be invoked for an `hg show <thing>`."""
# Used by _formatdoc().
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r43347 _docformat = b'%s -- %s'
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r31765
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r33046 def _extrasetup(self, name, func, fmtopic=None, csettopic=None):
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r31765 """Called with decorator arguments to register a show view.
``name`` is the sub-command name.
``func`` is the function being decorated.
``fmtopic`` is the topic in the style that will be rendered for
this view.
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``csettopic`` is the topic in the style to be used for a changeset
printer.
If ``fmtopic`` is specified, the view function will receive a
formatter instance. If ``csettopic`` is specified, the view
function will receive a changeset printer.
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r31765 """
func._fmtopic = fmtopic
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r33046 func._csettopic = csettopic
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r31765 showview = showcmdfunc()
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@command(
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r43347 b'show',
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r43346 [
# TODO: Switch this template flag to use cmdutil.formatteropts if
# 'hg show' becomes stable before --template/-T is stable. For now,
# we are putting it here without the '(EXPERIMENTAL)' flag because it
# is an important part of the 'hg show' user experience and the entire
# 'hg show' experience is experimental.
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r43347 (b'T', b'template', b'', b'display with template', _(b'TEMPLATE')),
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r43346 ],
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r43347 _(b'VIEW'),
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r43346 helpcategory=command.CATEGORY_CHANGE_NAVIGATION,
)
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r31765 def show(ui, repo, view=None, template=None):
"""show various repository information
A requested view of repository data is displayed.
If no view is requested, the list of available views is shown and the
command aborts.
.. note::
There are no backwards compatibility guarantees for the output of this
command. Output may change in any future Mercurial release.
Consumers wanting stable command output should specify a template via
``-T/--template``.
List of available views:
"""
if ui.plain() and not template:
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r43347 hint = _(b'invoke with -T/--template to control output format')
raise error.Abort(
_(b'must specify a template in plain mode'), hint=hint
)
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views = showview._table
if not view:
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r43347 ui.pager(b'show')
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r31765 # TODO consider using formatter here so available views can be
# rendered to custom format.
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r43347 ui.write(_(b'available views:\n'))
ui.write(b'\n')
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for name, func in sorted(views.items()):
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r43347 ui.write(b'%s\n' % pycompat.sysbytes(func.__doc__))
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r43347 ui.write(b'\n')
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r43346 raise error.Abort(
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r43347 _(b'no view requested'),
hint=_(b'use "hg show VIEW" to choose a view'),
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r43346 )
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# TODO use same logic as dispatch to perform prefix matching.
if view not in views:
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r43346 raise error.Abort(
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r43347 _(b'unknown view: %s') % view,
hint=_(b'run "hg show" to see available views'),
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r43346 )
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r43347 template = template or b'show'
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r31765
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r33046 fn = views[view]
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r43347 ui.pager(b'show')
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if fn._fmtopic:
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r43347 fmtopic = b'show%s' % fn._fmtopic
with ui.formatter(fmtopic, {b'template': template}) as fm:
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r33046 return fn(ui, repo, fm)
elif fn._csettopic:
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r43347 ref = b'show%s' % fn._csettopic
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r33046 spec = formatter.lookuptemplate(ui, ref, template)
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r35906 displayer = logcmdutil.changesettemplater(ui, repo, spec, buffered=True)
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r33046 return fn(ui, repo, displayer)
else:
return fn(ui, repo)
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r31765
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r43346
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r43347 @showview(b'bookmarks', fmtopic=b'bookmarks')
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r31765 def showbookmarks(ui, repo, fm):
"""bookmarks and their associated changeset"""
marks = repo._bookmarks
if not len(marks):
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r31859 # This is a bit hacky. Ideally, templates would have a way to
# specify an empty output, but we shouldn't corrupt JSON while
# waiting for this functionality.
if not isinstance(fm, formatter.jsonformatter):
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r43347 ui.write(_(b'(no bookmarks set)\n'))
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r31765 return
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r34192 revs = [repo[node].rev() for node in marks.values()]
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r31765 active = repo._activebookmark
longestname = max(len(b) for b in marks)
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r34192 nodelen = longestshortest(repo, revs)
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for bm, node in sorted(marks.items()):
fm.startitem()
fm.context(ctx=repo[node])
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r43347 fm.write(b'bookmark', b'%s', bm)
fm.write(b'node', fm.hexfunc(node), fm.hexfunc(node))
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formatting: blacken the codebase...
r43346 fm.data(
active=bm == active, longestbookmarklen=longestname, nodelen=nodelen
)
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r31765
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r43347 @showview(b'stack', csettopic=b'stack')
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r33194 def showstack(ui, repo, displayer):
"""current line of work"""
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r43347 wdirctx = repo[b'.']
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r33194 if wdirctx.rev() == nullrev:
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r43346 raise error.Abort(
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r43347 _(
b'stack view only available when there is a '
b'working directory'
)
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r43346 )
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r33194
if wdirctx.phase() == phases.public:
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r43346 ui.write(
_(
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r43347 b'(empty stack; working directory parent is a published '
b'changeset)\n'
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r43346 )
)
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r33194 return
# TODO extract "find stack" into a function to facilitate
# customization and reuse.
baserev = destutil.stackbase(ui, repo)
basectx = None
if baserev is None:
baserev = wdirctx.rev()
stackrevs = {wdirctx.rev()}
else:
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r43347 stackrevs = set(repo.revs(b'%d::.', baserev))
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r33194
ctx = repo[baserev]
if ctx.p1().rev() != nullrev:
basectx = ctx.p1()
# And relevant descendants.
branchpointattip = False
cl = repo.changelog
for rev in cl.descendants([wdirctx.rev()]):
ctx = repo[rev]
# Will only happen if . is public.
if ctx.phase() == phases.public:
break
stackrevs.add(ctx.rev())
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r33208 # ctx.children() within a function iterating on descandants
# potentially has severe performance concerns because revlog.children()
# iterates over all revisions after ctx's node. However, the number of
# draft changesets should be a reasonably small number. So even if
# this is quadratic, the perf impact should be minimal.
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r33194 if len(ctx.children()) > 1:
branchpointattip = True
break
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r33206 stackrevs = list(sorted(stackrevs, reverse=True))
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r33194
# Find likely target heads for the current stack. These are likely
# merge or rebase targets.
if basectx:
# TODO make this customizable?
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r43346 newheads = set(
repo.revs(
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'heads(%d::) - %ld - not public()', basectx.rev(), stackrevs
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formatting: blacken the codebase...
r43346 )
)
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r33194 else:
newheads = set()
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r42224 allrevs = set(stackrevs) | newheads | {baserev}
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r34192 nodelen = longestshortest(repo, allrevs)
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r33194 try:
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r43347 cmdutil.findcmd(b'rebase', commands.table)
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r33194 haverebase = True
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r33207 except (error.AmbiguousCommand, error.UnknownCommand):
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r33194 haverebase = False
# TODO use templating.
# TODO consider using graphmod. But it may not be necessary given
# our simplicity and the customizations required.
# TODO use proper graph symbols from graphmod
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templater: move repo, ui and cache to per-engine resources
r35485 tres = formatter.templateresources(ui, repo)
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formatting: blacken the codebase...
r43346 shortesttmpl = formatter.maketemplater(
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r43347 ui, b'{shortest(node, %d)}' % nodelen, resources=tres
Augie Fackler
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r43346 )
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r33194 def shortest(ctx):
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r43347 return shortesttmpl.renderdefault({b'ctx': ctx, b'node': ctx.hex()})
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r33194
# We write out new heads to aid in DAG awareness and to help with decision
# making on how the stack should be reconciled with commits made since the
# branch point.
if newheads:
# Calculate distance from base so we can render the count and so we can
# sort display order by commit distance.
revdistance = {}
for head in newheads:
# There is some redundancy in DAG traversal here and therefore
# room to optimize.
ancestors = cl.ancestors([head], stoprev=basectx.rev())
revdistance[head] = len(list(ancestors))
sourcectx = repo[stackrevs[-1]]
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r43346 sortedheads = sorted(
newheads, key=lambda x: revdistance[x], reverse=True
)
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r33194
for i, rev in enumerate(sortedheads):
ctx = repo[rev]
if i:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b': ')
Gregory Szorc
show: implement "stack" view...
r33194 else:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' ')
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show: implement "stack" view...
r33194
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r43350 ui.writenoi18n(b'o ')
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r34192 displayer.show(ctx, nodelen=nodelen)
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show: implement "stack" view...
r33194 displayer.flush(ctx)
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b'\n')
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show: implement "stack" view...
r33194
if i:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b':/')
Gregory Szorc
show: implement "stack" view...
r33194 else:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' /')
Gregory Szorc
show: implement "stack" view...
r33194
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' (')
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formatting: blacken the codebase...
r43346 ui.write(
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 _(b'%d commits ahead') % revdistance[rev],
label=b'stack.commitdistance',
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formatting: blacken the codebase...
r43346 )
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show: implement "stack" view...
r33194
if haverebase:
# TODO may be able to omit --source in some scenarios
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b'; ')
Augie Fackler
formatting: blacken the codebase...
r43346 ui.write(
(
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'hg rebase --source %s --dest %s'
Augie Fackler
formatting: blacken the codebase...
r43346 % (shortest(sourcectx), shortest(ctx))
),
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 label=b'stack.rebasehint',
Augie Fackler
formatting: blacken the codebase...
r43346 )
Gregory Szorc
show: implement "stack" view...
r33194
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b')\n')
Gregory Szorc
show: implement "stack" view...
r33194
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b':\n: ')
ui.write(_(b'(stack head)\n'), label=b'stack.label')
Gregory Szorc
show: implement "stack" view...
r33194
if branchpointattip:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' \\ / ')
ui.write(_(b'(multiple children)\n'), label=b'stack.label')
ui.write(b' |\n')
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show: implement "stack" view...
r33194
for rev in stackrevs:
ctx = repo[rev]
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 symbol = b'@' if rev == wdirctx.rev() else b'o'
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show: implement "stack" view...
r33194
if newheads:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b': ')
Gregory Szorc
show: implement "stack" view...
r33194 else:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' ')
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show: implement "stack" view...
r33194
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(symbol, b' ')
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show: use consistent (and possibly shorter) node lengths...
r34192 displayer.show(ctx, nodelen=nodelen)
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show: implement "stack" view...
r33194 displayer.flush(ctx)
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b'\n')
Gregory Szorc
show: implement "stack" view...
r33194
# TODO display histedit hint?
if basectx:
# Vertically and horizontally separate stack base from parent
# to reinforce stack boundary.
if newheads:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b':/ ')
Gregory Szorc
show: implement "stack" view...
r33194 else:
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b' / ')
Gregory Szorc
show: implement "stack" view...
r33194
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(_(b'(stack base)'), b'\n', label=b'stack.label')
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r43350 ui.writenoi18n(b'o ')
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show: implement "stack" view...
r33194
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show: use consistent (and possibly shorter) node lengths...
r34192 displayer.show(basectx, nodelen=nodelen)
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show: implement "stack" view...
r33194 displayer.flush(basectx)
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.write(b'\n')
Gregory Szorc
show: implement "stack" view...
r33194
Augie Fackler
formatting: blacken the codebase...
r43346
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 @revsetpredicate(b'_underway([commitage[, headage]])')
Gregory Szorc
show: implement underway view...
r31944 def underwayrevset(repo, subset, x):
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formatting: byteify all mercurial/ and hgext/ string literals...
r43347 args = revset.getargsdict(x, b'underway', b'commitage headage')
if b'commitage' not in args:
args[b'commitage'] = None
if b'headage' not in args:
args[b'headage'] = None
Gregory Szorc
show: implement underway view...
r31944
# We assume callers of this revset add a topographical sort on the
# result. This means there is no benefit to making the revset lazy
# since the topographical sort needs to consume all revs.
#
# With this in mind, we build up the set manually instead of constructing
# a complex revset. This enables faster execution.
# Mutable changesets (non-public) are the most important changesets
# to return. ``not public()`` will also pull in obsolete changesets if
# there is a non-obsolete changeset with obsolete ancestors. This is
# why we exclude obsolete changesets from this query.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 rs = b'not public() and not obsolete()'
Gregory Szorc
show: implement underway view...
r31944 rsargs = []
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if args[b'commitage']:
rs += b' and date(%s)'
Augie Fackler
formatting: blacken the codebase...
r43346 rsargs.append(
revsetlang.getstring(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 args[b'commitage'], _(b'commitage requires a string')
Augie Fackler
formatting: blacken the codebase...
r43346 )
)
Gregory Szorc
show: implement underway view...
r31944
mutable = repo.revs(rs, *rsargs)
relevant = revset.baseset(mutable)
# Add parents of mutable changesets to provide context.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 relevant += repo.revs(b'parents(%ld)', mutable)
Gregory Szorc
show: implement underway view...
r31944
# We also pull in (public) heads if they a) aren't closing a branch
# b) are recent.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 rs = b'head() and not closed()'
Gregory Szorc
show: implement underway view...
r31944 rsargs = []
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if args[b'headage']:
rs += b' and date(%s)'
Augie Fackler
formatting: blacken the codebase...
r43346 rsargs.append(
revsetlang.getstring(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 args[b'headage'], _(b'headage requires a string')
Augie Fackler
formatting: blacken the codebase...
r43346 )
)
Gregory Szorc
show: implement underway view...
r31944
relevant += repo.revs(rs, *rsargs)
# Add working directory parent.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 wdirrev = repo[b'.'].rev()
Gregory Szorc
show: implement underway view...
r31944 if wdirrev != nullrev:
Martin von Zweigbergk
cleanup: use set literals...
r32291 relevant += revset.baseset({wdirrev})
Gregory Szorc
show: implement underway view...
r31944
return subset & relevant
Augie Fackler
formatting: blacken the codebase...
r43346
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 @showview(b'work', csettopic=b'work')
Gregory Szorc
show: construct changeset templater during dispatch...
r33046 def showwork(ui, repo, displayer):
Gregory Szorc
show: implement underway view...
r31944 """changesets that aren't finished"""
# TODO support date-based limiting when calling revset.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 revs = repo.revs(b'sort(_underway(), topo)')
Gregory Szorc
show: use consistent (and possibly shorter) node lengths...
r34192 nodelen = longestshortest(repo, revs)
Gregory Szorc
show: implement underway view...
r31944
revdag = graphmod.dagwalker(repo, revs)
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.setconfig(b'experimental', b'graphshorten', True)
Augie Fackler
formatting: blacken the codebase...
r43346 logcmdutil.displaygraph(
ui,
repo,
revdag,
displayer,
graphmod.asciiedges,
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 props={b'nodelen': nodelen},
Augie Fackler
formatting: blacken the codebase...
r43346 )
Gregory Szorc
show: implement underway view...
r31944
Gregory Szorc
show: config option to register aliases for views...
r33132 def extsetup(ui):
# Alias `hg <prefix><view>` to `hg show <view>`.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 for prefix in ui.configlist(b'commands', b'show.aliasprefix'):
Gregory Szorc
show: config option to register aliases for views...
r33132 for view in showview._table:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 name = b'%s%s' % (prefix, view)
Gregory Szorc
show: config option to register aliases for views...
r33132
Augie Fackler
formatting: blacken the codebase...
r43346 choice, allcommands = cmdutil.findpossible(
name, commands.table, strict=True
)
Gregory Szorc
show: config option to register aliases for views...
r33132
# This alias is already a command name. Don't set it.
if name in choice:
continue
# Same for aliases.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if ui.config(b'alias', name, None):
Gregory Szorc
show: config option to register aliases for views...
r33132 continue
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 ui.setconfig(b'alias', name, b'show %s' % view, source=b'show')
Gregory Szorc
show: config option to register aliases for views...
r33132
Augie Fackler
formatting: blacken the codebase...
r43346
Gregory Szorc
show: use consistent (and possibly shorter) node lengths...
r34192 def longestshortest(repo, revs, minlen=4):
"""Return the length of the longest shortest node to identify revisions.
The result of this function can be used with the ``shortest()`` template
function to ensure that a value is unique and unambiguous for a given
set of nodes.
The number of revisions in the repo is taken into account to prevent
a numeric node prefix from conflicting with an integer revision number.
If we fail to do this, a value of e.g. ``10023`` could mean either
revision 10023 or node ``10023abc...``.
"""
Yuya Nishihara
show: use revlog function to compute length of the longest shortest node...
r35514 if not revs:
return minlen
Martin von Zweigbergk
scmutil: introduce shortesthexnodeidprefix()...
r37698 cl = repo.changelog
Augie Fackler
formatting: blacken the codebase...
r43346 return max(
len(scmutil.shortesthexnodeidprefix(repo, cl.node(r), minlen))
for r in revs
)
Gregory Szorc
show: use consistent (and possibly shorter) node lengths...
r34192
Gregory Szorc
show: new extension for displaying various repository data...
r31765 # Adjust the docstring of the show command so it shows all registered views.
# This is a bit hacky because it runs at the end of module load. When moved
# into core or when another extension wants to provide a view, we'll need
# to do this more robustly.
# TODO make this more robust.
Gregory Szorc
show: fix formatting of multiple commands...
r31943 def _updatedocstring():
longest = max(map(len, showview._table.keys()))
entries = []
for key in sorted(showview._table.keys()):
Augie Fackler
formatting: blacken the codebase...
r43346 entries.append(
r' %s %s'
% (
pycompat.sysstr(key.ljust(longest)),
showview._table[key]._origdoc,
)
)
Gregory Szorc
show: fix formatting of multiple commands...
r31943
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 cmdtable[b'show'][0].__doc__ = pycompat.sysstr(b'%s\n\n%s\n ') % (
cmdtable[b'show'][0].__doc__.rstrip(),
pycompat.sysstr(b'\n\n').join(entries),
Augie Fackler
formatting: blacken the codebase...
r43346 )
Gregory Szorc
show: fix formatting of multiple commands...
r31943
_updatedocstring()