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93ef580a25
Summary: I was mostly taking into consideration conflicted states when I wrote this extension. That means that a repo could be in a clean merge state, that is, where the working copy has two parents and no conflicted files, and morestatus wouldn't display it's extra status output. Test Plan: See new test Reviewers: #sourcecontrol, durham Reviewed By: durham Subscribers: akushner Differential Revision: https://phabricator.fb.com/D2567597 Tasks: 8802101 Signature: t1:2567597:1445468752:429a63dda5a7269841aee16631049b937c13360e
129 lines
4.2 KiB
Python
129 lines
4.2 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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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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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(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([' %s' % path 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(ui):
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helpmessage(ui, 'hg rebase --continue', 'hg rebase --abort')
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def histeditmsg(ui):
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helpmessage(ui, 'hg histedit --continue', 'hg histedit --abort')
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def unshelvemsg(ui):
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helpmessage(ui, 'hg unshelve --continue', 'hg unshelve --abort')
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def graftmsg(ui):
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# tweakdefaults requires `update` to have a rev hence the `.`
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helpmessage(ui, 'hg graft --continue', 'hg update .')
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def mergemsg(ui):
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# tweakdefaults requires `update` to have a rev hence the `.`
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helpmessage(ui, 'hg commit', 'hg update --clean . (warning: this will '
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'erase all uncommitted changed)')
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def bisectmsg(ui):
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msg = _('To mark the commit good: hg bisect --good\n'
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'To mark the commit 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 cleanmergepredicate(repo):
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return len(repo.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 state is part of a list that will be iterated over. It needs to
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# be second to last because some of the other unfinished states may also be
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# in a conflicted or clean merge state (eg. histedit, graft, etc). We want
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# those to have priority.
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('merge', fileexistspredicate('merge'), mergemsg),
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('merge', cleanmergepredicate, mergemsg),
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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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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(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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for state, statedetectionpredicate, msgfn in STATES:
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if statedetectionpredicate(repo):
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return (state, statedetectionpredicate, msgfn)
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