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diff: add --inverse option...
diff: add --inverse option Most of the time, one can reverse a diff by swapping the revisions passed with -r but it happens that if you use the global -R, and diff against the tip of the current repo, you can't swap the revisions. One use-case for that is reviewing changes from a bundle before unbundling. One could also pipe the output of `hg diff` to a command line filter that reverses the diff, but that would remove the benefit from color diffs. Therefore, having an option in `hg diff` to reverse a diff is a good thing. The option flag selection was tricky. GNU patch uses -R/--reverse but -R is already used as a global option and --reverse would make --rev ambiguous.

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test-dumprevlog
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Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465 #!/bin/sh
CONTRIBDIR=$TESTDIR/../contrib
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo % prepare repo-a
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465 mkdir repo-a
cd repo-a
hg init
echo this is file a > a
hg add a
Martin Geisler
tests: removed redundant "-d '0 0'" from test scripts...
r8167 hg commit -m first
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
echo adding to file a >> a
Martin Geisler
tests: removed redundant "-d '0 0'" from test scripts...
r8167 hg commit -m second
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
echo adding more to file a >> a
Martin Geisler
tests: removed redundant "-d '0 0'" from test scripts...
r8167 hg commit -m third
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
hg verify
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo
echo % dumping revlog of file a to stdout
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465 python $CONTRIBDIR/dumprevlog .hg/store/data/a.i
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo % dumprevlog done
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo
echo % dump all revlogs to file repo.dump
Adrian Buehlmann
fixed missing sorting in test-dumprevlog...
r6516 find .hg/store -name "*.i" | sort | xargs python $CONTRIBDIR/dumprevlog > ../repo.dump
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
cd ..
mkdir repo-b
cd repo-b
hg init
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo
echo % undumping into repo-b
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465 python $CONTRIBDIR/undumprevlog < ../repo.dump
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo % undumping done
cd ..
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo
echo % clone --pull repo-b repo-c to rebuild fncache
hg clone --pull -U repo-b repo-c
cd repo-c
echo
echo % verify repo-c
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465 hg verify
cd ..
Adrian Buehlmann
introduce fncache repository layout...
r7229 echo
echo % comparing repos
hg -R repo-c incoming repo-a
hg -R repo-a incoming repo-c
Adrian Buehlmann
add tests for contrib/dumprevlog and undumprevlog
r6465
exit 0