$ hg init basic
$ cd basic
should complain
$ hg backout
abort: please specify a revision to backout
[255]
$ hg backout -r 0 0
abort: please specify just one revision
[255]
basic operation
$ echo a > a
$ hg commit -d '0 0' -A -m a
adding a
$ echo b >> a
$ hg commit -d '1 0' -m b
$ hg backout -d '2 0' tip --tool=true
reverting a
changeset 2:2929462c3dff backs out changeset 1:a820f4f40a57
$ cat a
a
file that was removed is recreated
$ cd ..
$ hg init remove
$ cd remove
$ echo content > a
$ hg commit -d '0 0' -A -m a
adding a
$ hg rm a
$ hg commit -d '1 0' -m b
$ hg backout -d '2 0' tip --tool=true
adding a
changeset 2:de31bdc76c0d backs out changeset 1:76862dcce372
$ cat a
content
backout of backout is as if nothing happened
$ hg backout -d '3 0' --merge tip --tool=true
removing a
changeset 3:7f6d0f120113 backs out changeset 2:de31bdc76c0d
$ test -f a
[1]
across branch
$ cd ..
$ hg init branch
$ cd branch
$ echo a > a
$ hg ci -Am0
adding a
$ echo b > b
$ hg ci -Am1
adding b
$ hg co -C 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
should fail
$ hg backout 1
abort: cannot backout change on a different branch
[255]
$ echo c > c
$ hg ci -Am2
adding c
created new head
should fail
$ hg backout 1
abort: cannot backout change on a different branch
[255]
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
adding 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 --tool=true
reverting a
created new head
changeset 3:26b8ccb9ad91 backs out changeset 1:5a50a024c182
merging with changeset 3:26b8ccb9ad91
merging a
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -d '4 0' -m d
check line 1 is back
$ cat a
line 1
line 2
line 3
$ cd ..
backout should not back out subsequent changesets
$ hg init onecs
$ cd onecs
$ echo 1 > a
$ hg commit -d '0 0' -A -m a
adding a
$ echo 2 >> a
$ hg commit -d '1 0' -m b
$ echo 1 > b
$ hg commit -d '2 0' -A -m c
adding b
without --merge
$ hg backout -d '3 0' 1 --tool=true
reverting a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg locate b
b
$ hg update -C tip
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg locate b
b
with --merge
$ hg backout --merge -d '3 0' 1 --tool=true
reverting a
created new head
changeset 3:3202beb76721 backs out changeset 1:22bca4c721e5
merging with changeset 3:3202beb76721
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg locate b
b
$ hg update -C tip
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg locate b
[1]
$ cd ..
$ hg init m
$ cd m
$ echo a > a
$ hg commit -d '0 0' -A -m a
adding a
$ echo b > b
$ hg commit -d '1 0' -A -m b
adding b
$ echo c > c
$ hg commit -d '2 0' -A -m b
adding c
$ hg update 1
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo d > d
$ hg commit -d '3 0' -A -m c
adding d
created new head
$ hg merge 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -d '4 0' -A -m d
backout of merge should fail
$ hg backout 4
abort: cannot backout a merge changeset
[255]
backout of merge with bad parent should fail
$ hg backout --parent 0 4
abort: cb9a9f314b8b is not a parent of b2f3bb92043e
[255]
backout of non-merge with parent should fail
$ hg backout --parent 0 3
abort: cannot use --parent on non-merge changeset
[255]
backout with valid parent should be ok
$ hg backout -d '5 0' --parent 2 4 --tool=true
removing d
changeset 5:10e5328c8435 backs out changeset 4:b2f3bb92043e
$ hg rollback
repository tip rolled back to revision 4 (undo commit)
working directory now based on revision 4
$ hg update -C
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg backout -d '6 0' --parent 3 4 --tool=true
removing c
changeset 5:033590168430 backs out changeset 4:b2f3bb92043e
$ cd ..
named branches
$ hg init named_branches
$ cd named_branches
$ echo default > default
$ hg ci -d '0 0' -Am default
adding default
$ hg branch branch1
marked working directory as branch branch1
(branches are permanent and global, did you want a bookmark?)
$ echo branch1 > file1
$ hg ci -d '1 0' -Am file1
adding file1
$ hg branch branch2
marked working directory as branch branch2
(branches are permanent and global, did you want a bookmark?)
$ echo branch2 > file2
$ hg ci -d '2 0' -Am file2
adding file2
without --merge
$ hg backout -r 1 --tool=true
removing file1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg branch
branch2
$ hg status -A
R file1
C default
C file2
with --merge
$ hg update -qC
$ hg backout --merge -d '3 0' -r 1 -m 'backout on branch1' --tool=true
removing file1
created new head
changeset 3:d4e8f6db59fb backs out changeset 1:bf1602f437f3
merging with changeset 3:d4e8f6db59fb
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg update -q -C 2
on branch2 with branch1 not merged, so file1 should still exist:
$ hg id
45bbcd363bf0 (branch2)
$ hg st -A
C default
C file1
C file2
on branch2 with branch1 merged, so file1 should be gone:
$ hg merge
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -d '4 0' -m 'merge backout of branch1'
$ hg id
22149cdde76d (branch2) tip
$ hg st -A
C default
C file2
on branch1, so no file1 and file2:
$ hg co -C branch1
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg id
bf1602f437f3 (branch1)
$ hg st -A
C default
C file1
$ cd ..
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