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