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https://github.com/facebook/sapling.git
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b7eb2e64e3
Summary: Let's switch to xdiff for its better diff quality and performance! The test changes demonstrate xdiff's better diff quality. Reviewed By: ryanmce Differential Revision: D7135206 fbshipit-source-id: 1775df6fc0f763df074b4f52779835d6ef0f3a4e
136 lines
1.6 KiB
Perl
136 lines
1.6 KiB
Perl
$ hg init
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Base
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$ cat << EOF > A
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> S
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> S
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> S
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> S
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> S
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> EOF
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$ hg ci -m Base -q -A A
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Other
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$ cat << EOF > A
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> S
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> S
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> X
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> S
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> S
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> EOF
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$ hg ci -m Other -q
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$ hg bookmark -qir. other
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Local
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$ hg up '.^' -q
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$ cat << EOF > A
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> S
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> S
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> S
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> X
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> S
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> S
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> S
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> EOF
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$ hg ci -m Local -q
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If the diff algorithm tries to group multiple hunks into one. It will cause a
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merge conflict in the middle.
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$ hg merge other -q -t :merge3
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warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
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[1]
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$ cat A
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S
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S
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<<<<<<< working copy: 14ce9a1fcd1e - test: Local
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S
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X
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S
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||||||| base
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S
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=======
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X
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>>>>>>> merge rev: 4171d1cf524c other - test: Other
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S
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S
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In a more complex case, where hunks cannot be grouped together, the result will
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look weird in xdiff's case but okay in bdiff's case where there is no conflict,
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and everything gets auto resolved reasonably.
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$ rm -rf .hg
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$ hg init
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$ cat << EOF > A
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> S
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> S
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> Y
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> S
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> Y
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> S
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> S
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> EOF
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$ hg ci -m Base -q -A A
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$ cat << EOF > A
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> S
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> S
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> Y
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> X
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> Y
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> S
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> S
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> EOF
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$ hg ci -m Other -q
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$ hg bookmark -qir. other
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$ hg up '.^' -q
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$ cat << EOF > A
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> S
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> S
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> S
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> Y
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> X
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> Y
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> S
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> S
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> S
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> EOF
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$ hg ci -m Local -q
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$ hg merge other -q -t :merge3
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warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
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[1]
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$ cat A
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S
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S
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<<<<<<< working copy: 057fc5d1a99c - test: Local
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S
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||||||| base
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Y
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S
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=======
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Y
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X
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>>>>>>> merge rev: f0ba17ae43c9 other - test: Other
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Y
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X
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Y
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S
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S
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S
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