Mercurial > hg
view tests/fakedirstatewritetime.py @ 50282:4bcb91c8b9d8 stable
undo-files: cleanup backup when cleaning undos
Previously, the backups were left behind, by operation cleaning the undo's like
strip, narrow and stream clone.
The remaining elevant in the room is the transaction itself, who does not
properly cleanup undo backup before copying the new ones.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 06 Mar 2023 13:31:04 +0100 |
parents | 6000f5b25c9b |
children |
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# extension to emulate invoking 'dirstate.write()' at the time # specified by '[fakedirstatewritetime] fakenow', only when # 'dirstate.write()' is invoked via functions below: # # - 'workingctx._poststatusfixup()' (= 'repo.status()') # - 'committablectx.markcommitted()' from mercurial import ( context, dirstatemap as dirstatemapmod, extensions, policy, registrar, ) from mercurial.dirstateutils import timestamp from mercurial.utils import dateutil try: from mercurial import rustext rustext.__name__ # force actual import (see hgdemandimport) except ImportError: rustext = None configtable = {} configitem = registrar.configitem(configtable) configitem( b'fakedirstatewritetime', b'fakenow', default=None, ) parsers = policy.importmod('parsers') has_rust_dirstate = policy.importrust('dirstate') is not None def pack_dirstate(orig, dmap, copymap, pl): return orig(dmap, copymap, pl) def fakewrite(ui, func): # fake "now" of 'pack_dirstate' only if it is invoked while 'func' fakenow = ui.config(b'fakedirstatewritetime', b'fakenow') if not fakenow: # Execute original one, if fakenow isn't configured. This is # useful to prevent subrepos from executing replaced one, # because replacing 'parsers.pack_dirstate' is also effective # in subrepos. return func() # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0] fakenow = timestamp.timestamp((fakenow, 0, False)) if has_rust_dirstate: # The Rust implementation does not use public parse/pack dirstate # to prevent conversion round-trips orig_dirstatemap_write = dirstatemapmod.dirstatemap.write wrapper = lambda self, tr, st: orig_dirstatemap_write(self, tr, st) dirstatemapmod.dirstatemap.write = wrapper orig_get_fs_now = timestamp.get_fs_now wrapper = lambda *args: pack_dirstate(orig_pack_dirstate, *args) orig_module = parsers orig_pack_dirstate = parsers.pack_dirstate orig_module.pack_dirstate = wrapper timestamp.get_fs_now = ( lambda *args: fakenow ) # XXX useless for this purpose now try: return func() finally: orig_module.pack_dirstate = orig_pack_dirstate timestamp.get_fs_now = orig_get_fs_now if has_rust_dirstate: dirstatemapmod.dirstatemap.write = orig_dirstatemap_write def _poststatusfixup(orig, workingctx, status, fixup): ui = workingctx.repo().ui return fakewrite(ui, lambda: orig(workingctx, status, fixup)) def markcommitted(orig, committablectx, node): ui = committablectx.repo().ui return fakewrite(ui, lambda: orig(committablectx, node)) def extsetup(ui): extensions.wrapfunction( context.workingctx, '_poststatusfixup', _poststatusfixup ) extensions.wrapfunction(context.workingctx, 'markcommitted', markcommitted)