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comparison mercurial/debugcommands.py @ 49676:4302db0f54c8

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find-delta: move most of the debug-find-delta code in the debug module Lets us that module more. It will help us to keep revlog implementation details close to each other.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 28 Nov 2022 18:58:35 +0100
parents bd3b6f363fb9
children 4303fa8f4232
comparison
equal deleted inserted replaced
49675:0fca63953810 49676:4302db0f54c8
56 hg, 56 hg,
57 httppeer, 57 httppeer,
58 localrepo, 58 localrepo,
59 lock as lockmod, 59 lock as lockmod,
60 logcmdutil, 60 logcmdutil,
61 mdiff,
62 mergestate as mergestatemod, 61 mergestate as mergestatemod,
63 metadata, 62 metadata,
64 obsolete, 63 obsolete,
65 obsutil, 64 obsutil,
66 pathutil, 65 pathutil,
71 registrar, 70 registrar,
72 repair, 71 repair,
73 repoview, 72 repoview,
74 requirements, 73 requirements,
75 revlog, 74 revlog,
76 revlogutils,
77 revset, 75 revset,
78 revsetlang, 76 revsetlang,
79 scmutil, 77 scmutil,
80 setdiscovery, 78 setdiscovery,
81 simplemerge, 79 simplemerge,
1027 rev = arg_2 1025 rev = arg_2
1028 1026
1029 rev = int(rev) 1027 rev = int(rev)
1030 1028
1031 revlog = cmdutil.openrevlog(repo, b'debugdeltachain', file_, opts) 1029 revlog = cmdutil.openrevlog(repo, b'debugdeltachain', file_, opts)
1032
1033 deltacomputer = deltautil.deltacomputer(
1034 revlog,
1035 write_debug=ui.write,
1036 debug_search=not ui.quiet,
1037 )
1038
1039 node = revlog.node(rev)
1040 p1r, p2r = revlog.parentrevs(rev) 1030 p1r, p2r = revlog.parentrevs(rev)
1041 p1 = revlog.node(p1r) 1031
1042 p2 = revlog.node(p2r) 1032 if source == b'full':
1043 full_text = revlog.revision(rev) 1033 base_rev = nullrev
1044 btext = [full_text] 1034 elif source == b'storage':
1045 textlen = len(btext[0]) 1035 base_rev = revlog.deltaparent(rev)
1046 cachedelta = None 1036 elif source == b'p1':
1047 flags = revlog.flags(rev) 1037 base_rev = p1r
1048 1038 elif source == b'p2':
1049 if source != b'full': 1039 base_rev = p2r
1050 if source == b'storage': 1040 elif source == b'prev':
1051 base_rev = revlog.deltaparent(rev) 1041 base_rev = rev - 1
1052 elif source == b'p1': 1042 else:
1053 base_rev = p1r 1043 raise error.InputError(b"invalid --source value: %s" % source)
1054 elif source == b'p2': 1044
1055 base_rev = p2r 1045 revlog_debug.debug_delta_find(ui, revlog, rev, base_rev=base_rev)
1056 elif source == b'prev':
1057 base_rev = rev - 1
1058 else:
1059 raise error.InputError(b"invalid --source value: %s" % source)
1060
1061 if base_rev != nullrev:
1062 base_text = revlog.revision(base_rev)
1063 delta = mdiff.textdiff(base_text, full_text)
1064
1065 cachedelta = (base_rev, delta)
1066 btext = [None]
1067
1068 revinfo = revlogutils.revisioninfo(
1069 node,
1070 p1,
1071 p2,
1072 btext,
1073 textlen,
1074 cachedelta,
1075 flags,
1076 )
1077
1078 fh = revlog._datafp()
1079 deltacomputer.finddeltainfo(revinfo, fh, target_rev=rev)
1080 1046
1081 1047
1082 @command( 1048 @command(
1083 b'debugdirstate|debugstate', 1049 b'debugdirstate|debugstate',
1084 [ 1050 [