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#!/bin/sh
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HGMERGE=true; export HGMERGE
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hg init basic
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cd basic
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echo '# should complain'
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hg backout
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hg backout -r 0 0
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echo '# basic operation'
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echo a > a
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hg commit -d '0 0' -A -m a
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echo b >> a
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hg commit -d '1 0' -m b
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hg backout -d '2 0' tip
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cat a
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echo '# file that was removed is recreated'
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cd ..
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hg init remove
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cd remove
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echo content > a
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hg commit -d '0 0' -A -m a
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hg rm a
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hg commit -d '1 0' -m b
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hg backout -d '2 0' --merge tip
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cat a
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echo '# backout of backout is as if nothing happened'
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hg backout -d '3 0' --merge tip
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cat a 2>/dev/null || echo cat: a: No such file or directory
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echo '# across branch'
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cd ..
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hg init branch
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cd branch
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echo a > a
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hg ci -Am0
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echo b > b
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hg ci -Am1
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hg co -C 0
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# should fail
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hg backout 1
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echo c > c
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hg ci -Am2
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# should fail
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hg backout 1
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echo '# backout with merge'
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cd ..
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hg init merge
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cd merge
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echo line 1 > a
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echo line 2 >> a
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hg commit -d '0 0' -A -m a
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# remove line 1
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echo line 2 > a
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hg commit -d '1 0' -m b
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echo line 3 >> a
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hg commit -d '2 0' -m c
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hg backout --merge -d '3 0' 1
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hg commit -d '4 0' -m d
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# check line 1 is back
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cat a
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echo '# backout should not back out subsequent changesets'
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hg init onecs
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cd onecs
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echo 1 > a
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hg commit -d '0 0' -A -m a
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echo 2 >> a
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hg commit -d '1 0' -m b
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echo 1 > b
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hg commit -d '2 0' -A -m c
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hg backout -d '3 0' 1
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hg locate b
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hg update -C tip
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hg locate b
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cd ..
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hg init m
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cd m
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echo a > a
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hg commit -d '0 0' -A -m a
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echo b > b
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hg commit -d '1 0' -A -m b
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echo c > c
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hg commit -d '2 0' -A -m b
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hg update 1
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echo d > d
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hg commit -d '3 0' -A -m c
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hg merge 2
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hg commit -d '4 0' -A -m d
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echo '# backout of merge should fail'
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hg backout 4
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echo '# backout of merge with bad parent should fail'
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hg backout --parent 0 4
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echo '# backout of non-merge with parent should fail'
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hg backout --parent 0 3
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echo '# backout with valid parent should be ok'
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hg backout -d '5 0' --parent 2 4
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hg rollback
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hg update -C
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hg backout -d '6 0' --parent 3 4
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cd ..
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echo '# named branches'
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hg init named_branches
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cd named_branches
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echo default > default
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hg ci -d '0 0' -Am default
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hg branch branch1
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echo branch1 > file1
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hg ci -d '1 0' -Am file1
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hg branch branch2
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echo branch2 > file2
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hg ci -d '2 0' -Am file2
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hg backout -d '3 0' -r 1 -m 'backout on branch1'
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# XXX maybe backout shouldn't suggest a merge here as it is a different branch?
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echo '% on branch2 with branch1 not merged, so file1 should still exist:'
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hg id
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hg st -A
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echo '% on branch2 with branch1 merged, so file1 should be gone:'
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hg merge
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hg ci -d '4 0' -m 'merge backout of branch1'
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hg id
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hg st -A
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echo '% on branch1, so no file1 and file2:'
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hg co -C branch1
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hg id
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hg st -A
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exit 0
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