Mercurial > hg
changeset 41487:fa471151d269
extdiff: add --per-file and --confirm options
The new options lets the user control how the external program is run.
By default, Mercurial passes the 2 snapshot directories as usual, but
it can also run the program repeatedly on each file's snapshot pair,
and optionally prompt the user each time.
| author | Ludovic Chabant <ludovic@chabant.com> |
|---|---|
| date | Tue, 29 Jan 2019 22:59:15 -0800 |
| parents | f9150901267c |
| children | 18adb747a332 |
| files | hgext/extdiff.py tests/test-extdiff.t tests/test-extension.t |
| diffstat | 3 files changed, 146 insertions(+), 16 deletions(-) [+] |
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--- a/hgext/extdiff.py Wed Jan 30 19:20:31 2019 -0500 +++ b/hgext/extdiff.py Tue Jan 29 22:59:15 2019 -0800 @@ -80,6 +80,7 @@ from mercurial import ( archival, cmdutil, + encoding, error, filemerge, formatter, @@ -175,6 +176,65 @@ cmdline += ' $parent1 $child' return re.sub(regex, quote, cmdline) +def _runperfilediff(cmdline, repo_root, ui, do3way, confirm, + commonfiles, tmproot, dir1a, dir1b, + dir2root, dir2, + rev1a, rev1b, rev2): + # Note that we need to sort the list of files because it was + # built in an "unstable" way and it's annoying to get files in a + # random order, especially when "confirm" mode is enabled. + totalfiles = len(commonfiles) + for idx, commonfile in enumerate(sorted(commonfiles)): + path1a = os.path.join(tmproot, dir1a, commonfile) + label1a = commonfile + rev1a + if not os.path.isfile(path1a): + path1a = os.devnull + + path1b = '' + label1b = '' + if do3way: + path1b = os.path.join(tmproot, dir1b, commonfile) + label1b = commonfile + rev1b + if not os.path.isfile(path1b): + path1b = os.devnull + + path2 = os.path.join(dir2root, dir2, commonfile) + label2 = commonfile + rev2 + + if confirm: + # Prompt before showing this diff + difffiles = _('diff %s (%d of %d)') % (commonfile, idx + 1, + totalfiles) + responses = _('[Yns?]' + '$$ &Yes, show diff' + '$$ &No, skip this diff' + '$$ &Skip remaining diffs' + '$$ &? (display help)') + r = ui.promptchoice('%s %s' % (difffiles, responses)) + if r == 3: # ? + while r == 3: + for c, t in ui.extractchoices(responses)[1]: + ui.write('%s - %s\n' % (c, encoding.lower(t))) + r = ui.promptchoice('%s %s' % (difffiles, responses)) + if r == 0: # yes + pass + elif r == 1: # no + continue + elif r == 2: # skip + break + + curcmdline = formatcmdline( + cmdline, repo_root, do3way=do3way, + parent1=path1a, plabel1=label1a, + parent2=path1b, plabel2=label1b, + child=path2, clabel=label2) + ui.debug('running %r in %s\n' % (pycompat.bytestr(curcmdline), + tmproot)) + + # Run the comparison program and wait for it to exit + # before we show the next file. + ui.system(curcmdline, cwd=tmproot, blockedtag='extdiff') + def dodiff(ui, repo, cmdline, pats, opts): '''Do the actual diff: @@ -201,6 +261,9 @@ else: ctx1b = repo[nullid] + perfile = opts.get('per_file') + confirm = opts.get('confirm') + node1a = ctx1a.node() node1b = ctx1b.node() node2 = ctx2.node() @@ -217,6 +280,8 @@ if opts.get('patch'): if subrepos: raise error.Abort(_('--patch cannot be used with --subrepos')) + if perfile: + raise error.Abort(_('--patch cannot be used with --per-file')) if node2 is None: raise error.Abort(_('--patch requires two revisions')) else: @@ -304,15 +369,23 @@ label1b = None fnsandstat = [] - # Run the external tool on the 2 temp directories or the patches - cmdline = formatcmdline( - cmdline, repo.root, do3way=do3way, - parent1=dir1a, plabel1=label1a, - parent2=dir1b, plabel2=label1b, - child=dir2, clabel=label2) - ui.debug('running %r in %s\n' % (pycompat.bytestr(cmdline), - tmproot)) - ui.system(cmdline, cwd=tmproot, blockedtag='extdiff') + if not perfile: + # Run the external tool on the 2 temp directories or the patches + cmdline = formatcmdline( + cmdline, repo.root, do3way=do3way, + parent1=dir1a, plabel1=label1a, + parent2=dir1b, plabel2=label1b, + child=dir2, clabel=label2) + ui.debug('running %r in %s\n' % (pycompat.bytestr(cmdline), + tmproot)) + ui.system(cmdline, cwd=tmproot, blockedtag='extdiff') + else: + # Run the external tool once for each pair of files + _runperfilediff( + cmdline, repo.root, ui, do3way=do3way, confirm=confirm, + commonfiles=common, tmproot=tmproot, dir1a=dir1a, dir1b=dir1b, + dir2root=dir2root, dir2=dir2, + rev1a=rev1a, rev1b=rev1b, rev2=rev2) for copy_fn, working_fn, st in fnsandstat: cpstat = os.lstat(copy_fn) @@ -340,6 +413,10 @@ _('pass option to comparison program'), _('OPT')), ('r', 'rev', [], _('revision'), _('REV')), ('c', 'change', '', _('change made by revision'), _('REV')), + ('', 'per-file', False, + _('compare each file instead of revision snapshots')), + ('', 'confirm', False, + _('prompt user before each external program invocation')), ('', 'patch', None, _('compare patches for two revisions')) ] + cmdutil.walkopts + cmdutil.subrepoopts @@ -357,15 +434,23 @@ default options "-Npru". To select a different program, use the -p/--program option. The - program will be passed the names of two directories to compare. To - pass additional options to the program, use -o/--option. These - will be passed before the names of the directories to compare. + program will be passed the names of two directories to compare, + unless the --per-file option is specified (see below). To pass + additional options to the program, use -o/--option. These will be + passed before the names of the directories or files to compare. When two revision arguments are given, then changes are shown between those revisions. If only one revision is specified then that revision is compared to the working directory, and, when no revisions are specified, the working directory files are compared - to its parent.''' + to its parent. + + The --per-file option runs the external program repeatedly on each + file to diff, instead of once on two directories. + + The --confirm option will prompt the user before each invocation of + the external program. It is ignored if --per-file isn't specified. + ''' opts = pycompat.byteskwargs(opts) program = opts.get('program') option = opts.get('option')
--- a/tests/test-extdiff.t Wed Jan 30 19:20:31 2019 -0500 +++ b/tests/test-extdiff.t Tue Jan 29 22:59:15 2019 -0800 @@ -48,6 +48,8 @@ -o --option OPT [+] pass option to comparison program -r --rev REV [+] revision -c --change REV change made by revision + --per-file compare each file instead of revision snapshots + --confirm prompt user before each external program invocation --patch compare patches for two revisions -I --include PATTERN [+] include names matching the given patterns -X --exclude PATTERN [+] exclude names matching the given patterns @@ -128,6 +130,40 @@ diffing a.398e36faf9c6 a.5ab95fb166c4 [1] +Test --per-file option: + + $ hg up -q -C 3 + $ echo a2 > a + $ echo b2 > b + $ hg ci -d '3 0' -mtestmode1 + created new head + $ hg falabala -c 6 --per-file + diffing "*\\extdiff.*\\a.46c0e4daeb72\\a" "a.81906f2b98ac\\a" (glob) (windows !) + diffing */extdiff.*/a.46c0e4daeb72/a a.81906f2b98ac/a (glob) (no-windows !) + diffing "*\\extdiff.*\\a.46c0e4daeb72\\b" "a.81906f2b98ac\\b" (glob) (windows !) + diffing */extdiff.*/a.46c0e4daeb72/b a.81906f2b98ac/b (glob) (no-windows !) + [1] + +Test --per-file and --confirm options: + + $ hg --config ui.interactive=True falabala -c 6 --per-file --confirm <<EOF + > n + > y + > EOF + diff a (1 of 2) [Yns?] n + diff b (2 of 2) [Yns?] y + diffing "*\\extdiff.*\\a.46c0e4daeb72\\b" "a.81906f2b98ac\\b" (glob) (windows !) + diffing */extdiff.*/a.46c0e4daeb72/b a.81906f2b98ac/b (glob) (no-windows !) + [1] + +Test --per-file and --confirm options with skipping: + + $ hg --config ui.interactive=True falabala -c 6 --per-file --confirm <<EOF + > s + > EOF + diff a (1 of 2) [Yns?] s + [1] + issue4463: usage of command line configuration without additional quoting $ cat <<EOF >> $HGRCPATH
--- a/tests/test-extension.t Wed Jan 30 19:20:31 2019 -0500 +++ b/tests/test-extension.t Tue Jan 29 22:59:15 2019 -0800 @@ -805,15 +805,22 @@ "-Npru". To select a different program, use the -p/--program option. The program - will be passed the names of two directories to compare. To pass additional - options to the program, use -o/--option. These will be passed before the - names of the directories to compare. + will be passed the names of two directories to compare, unless the --per- + file option is specified (see below). To pass additional options to the + program, use -o/--option. These will be passed before the names of the + directories or files to compare. When two revision arguments are given, then changes are shown between those revisions. If only one revision is specified then that revision is compared to the working directory, and, when no revisions are specified, the working directory files are compared to its parent. + The --per-file option runs the external program repeatedly on each file to + diff, instead of once on two directories. + + The --confirm option will prompt the user before each invocation of the + external program. It is ignored if --per-file isn't specified. + (use 'hg help -e extdiff' to show help for the extdiff extension) options ([+] can be repeated): @@ -822,6 +829,8 @@ -o --option OPT [+] pass option to comparison program -r --rev REV [+] revision -c --change REV change made by revision + --per-file compare each file instead of revision snapshots + --confirm prompt user before each external program invocation --patch compare patches for two revisions -I --include PATTERN [+] include names matching the given patterns -X --exclude PATTERN [+] exclude names matching the given patterns