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comparison mercurial/debugcommands.py @ 51077:810446d2d5ef

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debug-delta-chaing: add a parameter to select revision to look at This allows for much faster runtime when we are interrested in some revisions only.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 19 Sep 2023 01:24:10 +0200
parents d7f975e49f20
children 752e380c5702
comparison
equal deleted inserted replaced
51076:793a058f64bd 51077:810446d2d5ef
744 ui.writenoi18n(b"match: %s\n" % m(d[0])) 744 ui.writenoi18n(b"match: %s\n" % m(d[0]))
745 745
746 746
747 @command( 747 @command(
748 b'debugdeltachain', 748 b'debugdeltachain',
749 cmdutil.debugrevlogopts + cmdutil.formatteropts, 749 [
750 (
751 b'r',
752 b'rev',
753 [],
754 _('restrict processing to these revlog revisions'),
755 ),
756 ]
757 + cmdutil.debugrevlogopts
758 + cmdutil.formatteropts,
750 _(b'-c|-m|FILE'), 759 _(b'-c|-m|FILE'),
751 optionalrepo=True, 760 optionalrepo=True,
752 ) 761 )
753 def debugdeltachain(ui, repo, file_=None, **opts): 762 def debugdeltachain(ui, repo, file_=None, **opts):
754 """dump information about delta chains in a revlog 763 """dump information about delta chains in a revlog
795 :``readdensity``: density of useful bytes in the data read from the disk 804 :``readdensity``: density of useful bytes in the data read from the disk
796 :``srchunks``: in how many data hunks the whole revision would be read 805 :``srchunks``: in how many data hunks the whole revision would be read
797 806
798 The sparse read can be enabled with experimental.sparse-read = True 807 The sparse read can be enabled with experimental.sparse-read = True
799 """ 808 """
809 revs = None
810 revs_opt = opts.pop('rev', [])
811 if revs_opt:
812 revs = [int(r) for r in revs_opt]
800 revlog = cmdutil.openrevlog( 813 revlog = cmdutil.openrevlog(
801 repo, b'debugdeltachain', file_, pycompat.byteskwargs(opts) 814 repo, b'debugdeltachain', file_, pycompat.byteskwargs(opts)
802 ) 815 )
803 fm = ui.formatter(b'debugdeltachain', pycompat.byteskwargs(opts)) 816 fm = ui.formatter(b'debugdeltachain', pycompat.byteskwargs(opts))
804 817
805 lines = revlog_debug.debug_delta_chain(revlog) 818 lines = revlog_debug.debug_delta_chain(revlog, revs=revs)
806 # first entry is the header 819 # first entry is the header
807 header = next(lines) 820 header = next(lines)
808 fm.plain(header) 821 fm.plain(header)
809 for entry in lines: 822 for entry in lines:
810 label = b' '.join(e[0] for e in entry) 823 label = b' '.join(e[0] for e in entry)