sapling/morestatus.py
Christian Delahousse 165bf7ee63 morestatus: make morestatus not rely on mergestate for merge state
Summary:
The extra check for clean merge vs conflicted merge isn't needed. They both have
two parents

Test Plan: Ran the tests.

Reviewers: rmcelroy, #sourcecontrol, durham

Reviewed By: durham

Subscribers: michalburger1

Differential Revision: https://phabricator.fb.com/D2587459

Tasks: 8867673

Signature: t1:2587459:1445982486:0b7515558e2d57d4f0a949641b846036f82ec1e0
2015-10-27 14:48:34 -07:00

127 lines
4.1 KiB
Python

# morestatus.py
#
# Copyright 2015 Facebook, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""Make status give a bit more context
This extension will wrap the status command to make it show more context about
the state of the repo
"""
from mercurial import commands
from mercurial.extensions import wrapcommand
from mercurial.i18n import _
from mercurial import merge as mergemod
from mercurial import scmutil
def prefixlines(raw):
'''Surround lineswith a comment char and a new line'''
lines = raw.splitlines()
commentedlines = ['# %s' % line for line in lines]
return '\n'.join(commentedlines) + '\n'
def conflictsmsg(repo, ui):
mergestate = mergemod.mergestate(repo)
if not mergestate.active():
return
m = scmutil.match(repo[None])
unresolvedlist = [f for f in mergestate if m(f) and mergestate[f] == 'u']
if unresolvedlist:
mergeliststr = '\n'.join([' %s' % path for path in unresolvedlist])
msg = _('''Unresolved merge conflicts:
%s
To mark files as resolved: hg resolve --mark FILE''') % mergeliststr
else:
msg = _('No unresolved merge conflicts.')
ui.warn(prefixlines(msg))
def helpmessage(ui, continuecmd, abortcmd):
msg = _('To continue: %s\n'
'To abort: %s') % (continuecmd, abortcmd)
ui.warn(prefixlines(msg))
def rebasemsg(ui):
helpmessage(ui, 'hg rebase --continue', 'hg rebase --abort')
def histeditmsg(ui):
helpmessage(ui, 'hg histedit --continue', 'hg histedit --abort')
def unshelvemsg(ui):
helpmessage(ui, 'hg unshelve --continue', 'hg unshelve --abort')
def graftmsg(ui):
# tweakdefaults requires `update` to have a rev hence the `.`
helpmessage(ui, 'hg graft --continue', 'hg update .')
def mergemsg(ui):
# tweakdefaults requires `update` to have a rev hence the `.`
helpmessage(ui, 'hg commit', 'hg update --clean . (warning: this will '
'erase all uncommitted changed)')
def bisectmsg(ui):
msg = _('To mark the commit good: hg bisect --good\n'
'To mark the commit bad: hg bisect --bad\n'
'To abort: hg bisect --reset\n')
ui.warn(prefixlines(msg))
def fileexistspredicate(filename):
return lambda repo: repo.vfs.exists(filename)
def mergepredicate(repo):
return len(repo.parents()) > 1
STATES = (
# (state, predicate to detect states, helpful message function)
('histedit', fileexistspredicate('histedit-state'), histeditmsg),
('bisect', fileexistspredicate('bisect.state'), bisectmsg),
('graft', fileexistspredicate('graftstate'), graftmsg),
('unshelve', fileexistspredicate('unshelverebasestate'), unshelvemsg),
('rebase', fileexistspredicate('rebasestate'), rebasemsg),
# The merge state is part of a list that will be iterated over. It needs to
# be last because some of the other unfinished states may also be in a merge
# state (eg. histedit, graft, etc). We want those to have priority.
('merge', mergepredicate, mergemsg),
)
def extsetup(ui):
if ui.configbool('morestatus', 'show', False) and not ui.plain():
wrapcommand(commands.table, 'status', statuscmd)
def statuscmd(orig, ui, repo, *pats, **opts):
"""
Wrap the status command to barf out the state of the repository. States
being mid histediting, mid bisecting, grafting, merging, etc.
Output is to stderr to avoid breaking scripts.
"""
ret = orig(ui, repo, *pats, **opts)
statetuple = getrepostate(repo)
if statetuple:
state, statedetectionpredicate, helpfulmsg = statetuple
statemsg = _('The repository is in an unfinished *%s* state.') % state
ui.warn('\n' + prefixlines(statemsg))
conflictsmsg(repo, ui)
if helpfulmsg:
helpfulmsg(ui)
# TODO(cdelahousse): check to see if current bookmark needs updating. See
# scmprompt.
return ret
def getrepostate(repo):
for state, statedetectionpredicate, msgfn in STATES:
if statedetectionpredicate(repo):
return (state, statedetectionpredicate, msgfn)