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37fdd68496
Summary: morestatus: make conflict paths relative Test Plan: Output: https://phabricator.intern.facebook.com/P57402806 Reviewers: rmcelroy, mgorven Differential Revision: https://phabricator.intern.facebook.com/D5062074 Tasks: 10366065
163 lines
5.5 KiB
Python
163 lines
5.5 KiB
Python
# morestatus.py
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#
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# Copyright 2015 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""make status give a bit more context
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This extension will wrap the status command to make it show more context about
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the state of the repo
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"""
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import os
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from mercurial import commands
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from mercurial.extensions import wrapcommand
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from mercurial.i18n import _
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from mercurial import merge as mergemod
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from mercurial import scmutil
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UPDATEARGS = 'updateargs'
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def prefixlines(raw):
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'''Surround lineswith a comment char and a new line'''
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lines = raw.splitlines()
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commentedlines = ['# %s' % line for line in lines]
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return '\n'.join(commentedlines) + '\n'
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def conflictsmsg(repo, ui):
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mergestate = mergemod.mergestate.read(repo)
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if not mergestate.active():
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return
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m = scmutil.match(repo[None])
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unresolvedlist = [f for f in mergestate if m(f) and mergestate[f] == 'u']
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if unresolvedlist:
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mergeliststr = '\n'.join(
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[' %s' % os.path.relpath(
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os.path.join(repo.root, path),
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os.getcwd()) for path in unresolvedlist])
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msg = _('''Unresolved merge conflicts:
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%s
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To mark files as resolved: hg resolve --mark FILE''') % mergeliststr
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else:
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msg = _('No unresolved merge conflicts.')
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ui.warn(prefixlines(msg))
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def helpmessage(ui, continuecmd, abortcmd):
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msg = _('To continue: %s\n'
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'To abort: %s') % (continuecmd, abortcmd)
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ui.warn(prefixlines(msg))
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def rebasemsg(repo, ui):
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helpmessage(ui, 'hg rebase --continue', 'hg rebase --abort')
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def histeditmsg(repo, ui):
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helpmessage(ui, 'hg histedit --continue', 'hg histedit --abort')
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def unshelvemsg(repo, ui):
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helpmessage(ui, 'hg unshelve --continue', 'hg unshelve --abort')
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def updatecleanmsg(dest=None):
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warning = _('warning: this will discard uncommitted changes')
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return 'hg update --clean %s (%s)' % (dest or '.', warning)
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def graftmsg(repo, ui):
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# tweakdefaults requires `update` to have a rev hence the `.`
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helpmessage(ui, 'hg graft --continue', updatecleanmsg())
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def updatemsg(repo, ui):
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previousargs = repo.vfs.tryread(UPDATEARGS)
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if previousargs:
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continuecmd = 'hg ' + previousargs
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else:
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continuecmd = 'hg update ' + repo.vfs.read('updatestate')[:12]
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abortcmd = updatecleanmsg(repo._activebookmark)
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helpmessage(ui, continuecmd, abortcmd)
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def mergemsg(repo, ui):
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# tweakdefaults requires `update` to have a rev hence the `.`
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helpmessage(ui, 'hg commit', updatecleanmsg())
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def bisectmsg(repo, ui):
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msg = _('To mark the changeset good: hg bisect --good\n'
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'To mark the changeset bad: hg bisect --bad\n'
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'To abort: hg bisect --reset\n')
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ui.warn(prefixlines(msg))
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def fileexistspredicate(filename):
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return lambda repo: repo.vfs.exists(filename)
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def mergepredicate(repo):
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return len(repo[None].parents()) > 1
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STATES = (
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# (state, predicate to detect states, helpful message function)
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('histedit', fileexistspredicate('histedit-state'), histeditmsg),
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('bisect', fileexistspredicate('bisect.state'), bisectmsg),
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('graft', fileexistspredicate('graftstate'), graftmsg),
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('unshelve', fileexistspredicate('unshelverebasestate'), unshelvemsg),
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('rebase', fileexistspredicate('rebasestate'), rebasemsg),
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# The merge and update states are part of a list that will be iterated over.
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# They need to be last because some of the other unfinished states may also
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# be in a merge or update state (eg. rebase, histedit, graft, etc).
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# We want those to have priority.
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('merge', mergepredicate, mergemsg),
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('update', fileexistspredicate('updatestate'), updatemsg),
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)
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def extsetup(ui):
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if ui.configbool('morestatus', 'show', False) and not ui.plain():
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wrapcommand(commands.table, 'status', statuscmd)
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# Write down `hg update` args to show the continue command in
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# interrupted update state.
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ui.setconfig('hooks', 'pre-update.morestatus', saveupdateargs)
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ui.setconfig('hooks', 'post-update.morestatus', cleanupdateargs)
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def saveupdateargs(repo, args, **kwargs):
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# args is a string containing all flags and arguments
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repo.vfs.write(UPDATEARGS, args)
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def cleanupdateargs(repo, **kwargs):
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try:
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repo.vfs.unlink(UPDATEARGS)
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except Exception:
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pass
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def statuscmd(orig, ui, repo, *pats, **opts):
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"""
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Wrap the status command to barf out the state of the repository. States
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being mid histediting, mid bisecting, grafting, merging, etc.
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Output is to stderr to avoid breaking scripts.
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"""
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ret = orig(ui, repo, *pats, **opts)
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statetuple = getrepostate(repo)
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if statetuple:
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state, statedetectionpredicate, helpfulmsg = statetuple
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statemsg = _('The repository is in an unfinished *%s* state.') % state
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ui.warn('\n' + prefixlines(statemsg))
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conflictsmsg(repo, ui)
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if helpfulmsg:
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helpfulmsg(repo, ui)
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# TODO(cdelahousse): check to see if current bookmark needs updating. See
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# scmprompt.
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return ret
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def getrepostate(repo):
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# experimental config: morestatus.skipstates
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skip = set(repo.ui.configlist('morestatus', 'skipstates', []))
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for state, statedetectionpredicate, msgfn in STATES:
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if state in skip:
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continue
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if statedetectionpredicate(repo):
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return (state, statedetectionpredicate, msgfn)
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