branches: simplify with repo.branchmap().iterbranches()
Running hg branches on the PyPy repo (with 996) over a busy NFS server,
before this change:
$ time hg --profile branches > /dev/null
CallCount Recursive Total(s) Inline(s) module:lineno(function)
1069 0 1.2955 1.2955 <open>
1063 0 0.5576 0.5576 <method 'close' of 'file' objects>
4122 0 0.1993 0.0449 mercurial.repoview:161(changelog)
8240 0 0.0771 0.0299 mercurial.changelog:133(tip)
4122 0 0.0422 0.0204 mercurial.localrepo:26(__get__)
8240 0 0.0252 0.0131 <len>
4122 0 0.0060 0.0037 mercurial.repoview:112(filterrevs)
8240 0 0.0028 0.0028 <hash>
3029 0 0.2139 0.0390 mercurial.context:202(__init__)
3029 0 0.1402 0.0339 mercurial.repoview:161(changelog)
3029 0 0.0240 0.0087 mercurial.changelog:183(rev)
9087 0 0.0067 0.0067 <isinstance>
1096 0 0.0025 0.0025 <binascii.unhexlify>
4125 0 0.0015 0.0015 <len>
4229 0 0.0344 0.0344 mercurial.revlog:296(rev)
1061 0 0.0343 0.0343 <method 'seek' of 'file' objects>
1063 0 0.0339 0.0339 <method 'read' of 'file' objects>
40476 16488 0.0479 0.0311 <len>
16488 0 0.0216 0.0168 mercurial.revlog:262(__len__)
8240 0 0.0771 0.0299 mercurial.changelog:133(tip)
8240 0 0.0281 0.0203 mercurial.changelog:190(node)
8240 0 0.0191 0.0095 <len>
1342 0 0.0278 0.0278 <zlib.decompress>
1074 0 2.2143 0.0266 mercurial.changelog:270(read)
1074 0 2.1328 0.0230 mercurial.revlog:907(revision)
1073 0 0.0208 0.0108 mercurial.changelog:28(decodeextra)
2148 0 0.0072 0.0072 <method 'split' of 'str' objects>
2148 0 0.0211 0.0038 mercurial.encoding:61(tolocal)
1074 0 0.0028 0.0028 <method 'index' of 'str' objects>
1061 0 1.9811 0.0237 mercurial.revlog:817(_loadchunk)
real 0m2.742s
user 0m0.811s
sys 0m0.188s
After this change:
$ time hg --profile branches > /dev/null
CallCount Recursive Total(s) Inline(s) module:lineno(function)
2092 0 0.1444 0.0292 mercurial.context:202(__init__)
2092 0 0.0908 0.0216 mercurial.repoview:161(changelog)
2092 0 0.0164 0.0057 mercurial.changelog:183(rev)
6276 0 0.0045 0.0045 <isinstance>
1096 0 0.0024 0.0024 <binascii.unhexlify>
3188 0 0.0013 0.0013 <len>
2218 0 0.0230 0.0230 mercurial.revlog:296(rev)
2111 0 0.1028 0.0218 mercurial.repoview:161(changelog)
4218 0 0.0387 0.0146 mercurial.changelog:133(tip)
2111 0 0.0238 0.0104 mercurial.localrepo:26(__get__)
4218 0 0.0122 0.0062 <len>
2111 0 0.0038 0.0021 mercurial.repoview:112(filterrevs)
4218 0 0.0014 0.0014 <hash>
20240 8444 0.0233 0.0149 <len>
8444 0 0.0110 0.0084 mercurial.revlog:262(__len__)
4218 0 0.0387 0.0146 mercurial.changelog:133(tip)
4218 0 0.0144 0.0103 mercurial.changelog:190(node)
4218 0 0.0097 0.0048 <len>
2398 1 0.0271 0.0115 mercurial.localrepo:26(__get__)
2398 1 0.0146 0.0046 mercurial.scmutil:939(__get__)
2124 0 0.0009 0.0009 mercurial.localrepo:330(unfiltered)
274 0 0.0002 0.0002 mercurial.repoview:192(unfiltered)
4 0 0.1409 0.0112 mercurial.branchmap:19(read)
1096 0 0.1113 0.0028 mercurial.localrepo:407(__contains__)
1098 0 0.0020 0.0020 <method 'split' of 'str' objects>
1097 0 0.0019 0.0019 <binascii.unhexlify>
1096 0 0.0093 0.0018 mercurial.encoding:61(tolocal)
1096 0 0.0010 0.0010 <method 'append' of 'list' objects>
4349 0 0.0150 0.0105 mercurial.changelog:190(node)
4349 0 0.0045 0.0045 mercurial.revlog:317(node)
real 0m0.362s
user 0m0.329s
sys 0m0.024s
$ hg init a
$ cd a
$ echo foo > t1
$ hg add t1
$ hg commit -m "1"
$ cd ..
$ hg clone a b
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd a
$ echo foo > t2
$ hg add t2
$ hg commit -m "2"
$ cd ../b
$ echo foo > t3
$ hg add t3
$ hg commit -m "3"
$ hg push ../a
pushing to ../a
searching for changes
abort: push creates new remote head 1e108cc5548c!
(pull and merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push --debug ../a
pushing to ../a
query 1; heads
searching for changes
taking quick initial sample
searching: 2 queries
query 2; still undecided: 1, sample size is: 1
2 total queries
listing keys for "bookmarks"
new remote heads on branch 'default':
1e108cc5548c
abort: push creates new remote head 1e108cc5548c!
(pull and merge or see "hg help push" for details about pushing new heads)
[255]
$ hg pull ../a
pulling from ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg push ../a
pushing to ../a
searching for changes
abort: push creates new remote head 1e108cc5548c!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg merge
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -m "4"
$ hg push ../a
pushing to ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 1 changes to 1 files
$ cd ..
$ hg init c
$ cd c
$ for i in 0 1 2; do
> echo $i >> foo
> hg ci -Am $i
> done
adding foo
$ cd ..
$ hg clone c d
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd d
$ for i in 0 1; do
> hg co -C $i
> echo d-$i >> foo
> hg ci -m d-$i
> done
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
$ HGMERGE=true hg merge 3
merging foo
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m c-d
$ hg push ../c
pushing to ../c
searching for changes
abort: push creates new remote head 6346d66eb9f5!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push -r 2 ../c
pushing to ../c
searching for changes
no changes found
[1]
$ hg push -r 3 ../c
pushing to ../c
searching for changes
abort: push creates new remote head a5dda829a167!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push -v -r 3 -r 4 ../c
pushing to ../c
searching for changes
new remote heads on branch 'default':
a5dda829a167
ee8fbc7a0295
abort: push creates new remote head a5dda829a167!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push -v -f -r 3 -r 4 ../c
pushing to ../c
searching for changes
2 changesets found
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files (+2 heads)
$ hg push -r 5 ../c
pushing to ../c
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (-1 heads)
$ hg in ../c
comparing with ../c
searching for changes
no changes found
[1]
Issue450: push -r warns about remote head creation even if no heads
will be created
$ hg init ../e
$ hg push -r 0 ../e
pushing to ../e
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
$ hg push -r 1 ../e
pushing to ../e
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
$ cd ..
Issue736: named branches are not considered for detection of
unmerged heads in "hg push"
$ hg init f
$ cd f
$ hg -q branch a
$ echo 0 > foo
$ hg -q ci -Am 0
$ echo 1 > foo
$ hg -q ci -m 1
$ hg -q up 0
$ echo 2 > foo
$ hg -q ci -m 2
$ hg -q up 0
$ hg -q branch b
$ echo 3 > foo
$ hg -q ci -m 3
$ cd ..
$ hg -q clone f g
$ cd g
Push on existing branch and new branch:
$ hg -q up 1
$ echo 4 > foo
$ hg -q ci -m 4
$ hg -q up 0
$ echo 5 > foo
$ hg -q branch c
$ hg -q ci -m 5
$ hg push ../f
pushing to ../f
searching for changes
abort: push creates new remote branches: c!
(use 'hg push --new-branch' to create new remote branches)
[255]
$ hg push -r 4 -r 5 ../f
pushing to ../f
searching for changes
abort: push creates new remote branches: c!
(use 'hg push --new-branch' to create new remote branches)
[255]
Multiple new branches:
$ hg -q branch d
$ echo 6 > foo
$ hg -q ci -m 6
$ hg push ../f
pushing to ../f
searching for changes
abort: push creates new remote branches: c, d!
(use 'hg push --new-branch' to create new remote branches)
[255]
$ hg push -r 4 -r 6 ../f
pushing to ../f
searching for changes
abort: push creates new remote branches: c, d!
(use 'hg push --new-branch' to create new remote branches)
[255]
$ cd ../g
Fail on multiple head push:
$ hg -q up 1
$ echo 7 > foo
$ hg -q ci -m 7
$ hg push -r 4 -r 7 ../f
pushing to ../f
searching for changes
abort: push creates new remote head 0b715ef6ff8f on branch 'a'!
(merge or see "hg help push" for details about pushing new heads)
[255]
Push replacement head on existing branches:
$ hg -q up 3
$ echo 8 > foo
$ hg -q ci -m 8
$ hg push -r 7 -r 8 ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
Merge of branch a to other branch b followed by unrelated push
on branch a:
$ hg -q up 7
$ HGMERGE=true hg -q merge 8
$ hg -q ci -m 9
$ hg -q up 8
$ echo 10 > foo
$ hg -q ci -m 10
$ hg push -r 9 ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (-1 heads)
$ hg push -r 10 ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
Cheating the counting algorithm:
$ hg -q up 9
$ HGMERGE=true hg -q merge 2
$ hg -q ci -m 11
$ hg -q up 1
$ echo 12 > foo
$ hg -q ci -m 12
$ hg push -r 11 -r 12 ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
Failed push of new named branch:
$ echo 12 > foo
$ hg -q ci -m 12a
[1]
$ hg -q up 11
$ echo 13 > foo
$ hg -q branch e
$ hg -q ci -m 13d
$ hg push -r 12 -r 13 ../f
pushing to ../f
searching for changes
abort: push creates new remote branches: e!
(use 'hg push --new-branch' to create new remote branches)
[255]
Using --new-branch to push new named branch:
$ hg push --new-branch -r 12 -r 13 ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
Pushing muliple headed new branch:
$ echo 14 > foo
$ hg -q branch f
$ hg -q ci -m 14
$ echo 15 > foo
$ hg -q ci -m 15
$ hg -q up 14
$ echo 16 > foo
$ hg -q ci -m 16
$ hg push --branch f --new-branch ../f
pushing to ../f
searching for changes
abort: push creates new branch 'f' with multiple heads
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push --branch f --new-branch --force ../f
pushing to ../f
searching for changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 3 changes to 1 files (+1 heads)
Checking prepush logic does not allow silently pushing
multiple new heads:
$ cd ..
$ hg init h
$ echo init > h/init
$ hg -R h ci -Am init
adding init
$ echo a > h/a
$ hg -R h ci -Am a
adding a
$ hg clone h i
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R h up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo b > h/b
$ hg -R h ci -Am b
adding b
created new head
$ hg -R i up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo c > i/c
$ hg -R i ci -Am c
adding c
created new head
$ hg -R i push h
pushing to h
searching for changes
abort: push creates new remote head 97bd0c84d346!
(pull and merge or see "hg help push" for details about pushing new heads)
[255]
Check prepush logic with merged branches:
$ hg init j
$ hg -R j branch a
marked working directory as branch a
(branches are permanent and global, did you want a bookmark?)
$ echo init > j/foo
$ hg -R j ci -Am init
adding foo
$ hg clone j k
updating to branch a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo a1 > j/foo
$ hg -R j ci -m a1
$ hg -R k branch b
marked working directory as branch b
(branches are permanent and global, did you want a bookmark?)
$ echo b > k/foo
$ hg -R k ci -m b
$ hg -R k up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R k merge b
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg -R k ci -m merge
$ hg -R k push -r a j
pushing to j
searching for changes
abort: push creates new remote branches: b!
(use 'hg push --new-branch' to create new remote branches)
[255]
Prepush -r should not allow you to sneak in new heads:
$ hg init l
$ cd l
$ echo a >> foo
$ hg -q add foo
$ hg -q branch a
$ hg -q ci -ma
$ hg -q up null
$ echo a >> foo
$ hg -q add foo
$ hg -q branch b
$ hg -q ci -mb
$ cd ..
$ hg -q clone l m -u a
$ cd m
$ hg -q merge b
$ hg -q ci -mmb
$ hg -q up 0
$ echo a >> foo
$ hg -q ci -ma2
$ hg -q up 2
$ echo a >> foo
$ hg -q branch -f b
$ hg -q ci -mb2
$ hg -q merge 3
$ hg -q ci -mma
$ hg push ../l -b b
pushing to ../l
searching for changes
abort: push creates new remote head 451211cc22b0 on branch 'a'!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ cd ..
Check prepush with new branch head on former topo non-head:
$ hg init n
$ cd n
$ hg branch A
marked working directory as branch A
(branches are permanent and global, did you want a bookmark?)
$ echo a >a
$ hg ci -Ama
adding a
$ hg branch B
marked working directory as branch B
(branches are permanent and global, did you want a bookmark?)
$ echo b >b
$ hg ci -Amb
adding b
b is now branch head of B, and a topological head
a is now branch head of A, but not a topological head
$ hg clone . inner
updating to branch B
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd inner
$ hg up B
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo b1 >b1
$ hg ci -Amb1
adding b1
in the clone b1 is now the head of B
$ cd ..
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo a2 >a2
$ hg ci -Ama2
adding a2
a2 is now the new branch head of A, and a new topological head
it replaces a former inner branch head, so it should at most warn about
A, not B
glog of local:
$ hg log -G --template "{rev}: {branches} {desc}\n"
@ 2: A a2
|
| o 1: B b
|/
o 0: A a
glog of remote:
$ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
@ 2: B b1
|
o 1: B b
|
o 0: A a
outgoing:
$ hg out inner --template "{rev}: {branches} {desc}\n"
comparing with inner
searching for changes
2: A a2
$ hg push inner
pushing to inner
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
$ cd ..
Check prepush with new branch head on former topo head:
$ hg init o
$ cd o
$ hg branch A
marked working directory as branch A
(branches are permanent and global, did you want a bookmark?)
$ echo a >a
$ hg ci -Ama
adding a
$ hg branch B
marked working directory as branch B
(branches are permanent and global, did you want a bookmark?)
$ echo b >b
$ hg ci -Amb
adding b
b is now branch head of B, and a topological head
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo a1 >a1
$ hg ci -Ama1
adding a1
a1 is now branch head of A, and a topological head
$ hg clone . inner
updating to branch A
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd inner
$ hg up B
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo b1 >b1
$ hg ci -Amb1
adding b1
in the clone b1 is now the head of B
$ cd ..
$ echo a2 >a2
$ hg ci -Ama2
adding a2
a2 is now the new branch head of A, and a topological head
it replaces a former topological and branch head, so this should not warn
glog of local:
$ hg log -G --template "{rev}: {branches} {desc}\n"
@ 3: A a2
|
o 2: A a1
|
| o 1: B b
|/
o 0: A a
glog of remote:
$ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
@ 3: B b1
|
| o 2: A a1
| |
o | 1: B b
|/
o 0: A a
outgoing:
$ hg out inner --template "{rev}: {branches} {desc}\n"
comparing with inner
searching for changes
3: A a2
$ hg push inner
pushing to inner
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
$ cd ..
Check prepush with new branch head and new child of former branch head
but child is on different branch:
$ hg init p
$ cd p
$ hg branch A
marked working directory as branch A
(branches are permanent and global, did you want a bookmark?)
$ echo a0 >a
$ hg ci -Ama0
adding a
$ echo a1 >a
$ hg ci -ma1
$ hg up null
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg branch B
marked working directory as branch B
(branches are permanent and global, did you want a bookmark?)
$ echo b0 >b
$ hg ci -Amb0
adding b
$ echo b1 >b
$ hg ci -mb1
$ hg clone . inner
updating to branch B
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg up A
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg branch -f B
marked working directory as branch B
(branches are permanent and global, did you want a bookmark?)
$ echo a3 >a
$ hg ci -ma3
created new head
$ hg up 3
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg branch -f A
marked working directory as branch A
(branches are permanent and global, did you want a bookmark?)
$ echo b3 >b
$ hg ci -mb3
created new head
glog of local:
$ hg log -G --template "{rev}: {branches} {desc}\n"
@ 5: A b3
|
| o 4: B a3
| |
o | 3: B b1
| |
o | 2: B b0
/
o 1: A a1
|
o 0: A a0
glog of remote:
$ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
@ 3: B b1
|
o 2: B b0
o 1: A a1
|
o 0: A a0
outgoing:
$ hg out inner --template "{rev}: {branches} {desc}\n"
comparing with inner
searching for changes
4: B a3
5: A b3
$ hg push inner
pushing to inner
searching for changes
abort: push creates new remote head 7d0f4fb6cf04 on branch 'A'!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg push inner -r4 -r5
pushing to inner
searching for changes
abort: push creates new remote head 7d0f4fb6cf04 on branch 'A'!
(merge or see "hg help push" for details about pushing new heads)
[255]
$ hg in inner
comparing with inner
searching for changes
no changes found
[1]
$ cd ..