mirror of
https://github.com/facebook/sapling.git
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75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
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# gitlikebookmarks.py - add git like behavior for bookmarks
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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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"""add git like behavior for bookmarks: only move the active bookmark
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Add a -x specified to several commands. When the -x flag is specied, the
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commands only allow the active bookmark to move.
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"""
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from mercurial import extensions
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from mercurial import bookmarks
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from mercurial import util
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from mercurial.i18n import _
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gitlikebookmarkscommands = (
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# module name, command name
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('rebase', 'rebase'),
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('histedit', 'histedit'),
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)
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def _bookmarkwrite(orig, bkmstoreinst, *args, **kwargs):
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repo = bkmstoreinst._repo
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activebook = None
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bookmarksbefore = None
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if util.safehasattr(bkmstoreinst, "oldactivebookmark"):
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activebook = bkmstoreinst.oldactivebookmark
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bookmarksbefore = bkmstoreinst.oldbookmarks
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if activebook != None:
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override = []
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for book in bkmstoreinst:
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if book == activebook:
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continue
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override.append(book)
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for k in override:
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if k in bookmarksbefore:
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bkmstoreinst[k] = bookmarksbefore[k]
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if repo._activebookmark != activebook:
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bookmarks.activate(repo, activebook)
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# XXX will be an issue with chg, -x will persist accross commands
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# Possible fixes:
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# 1) setting activebook to None here would only work
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# for commands with a single transaction (we have no guarantee of that)
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# 2) put all this code in _wrapfn and wrap the call to orig(...) in a
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# transaction but it will rollback if rebase/histedit has conflicts (not
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# intended behavior as we want to leave the conflicts in the workdir)
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return orig(bkmstoreinst, *args, **kwargs)
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def _wrapfn(orig, ui, repo, *args, **kwargs):
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# Normal behavior unless -x is specified
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if not kwargs.get('stickybookmark'):
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return orig(ui, repo, *args, **kwargs)
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repo._bookmarks.oldactivebookmark = bookmarks.readactive(repo)
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repo._bookmarks.oldbookmarks = repo._bookmarks.copy()
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return orig(ui, repo, *args, **kwargs)
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def extsetup(ui):
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extensions.wrapfunction(bookmarks.bmstore, '_write', _bookmarkwrite)
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for module, fn in gitlikebookmarkscommands:
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try:
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ext = extensions.find(module)
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if ext:
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entry = extensions.wrapcommand(ext.cmdtable, fn, _wrapfn)
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entry[1].append(('x','stickybookmark', None,
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_('only allow the active bookmark to move'
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' during the operation')))
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except KeyError:
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# Extension not present
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pass
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