discovery: simplify branchmap construction against legacy server
All necessary data to fire a simple revset query are already known. No call to
ancestors are needed. Such ancestors calculation was already done to compute
outgoing.missing.
$ cat >> $HGRCPATH <<EOF
> [extensions]
> graphlog =
> convert =
> [convert]
> hg.saverev = yes
> EOF
$ glog()
> {
> hg -R "$1" glog --template '{rev} "{desc}" files: {files}\n'
> }
$ hg init source
$ cd source
$ echo a > a
$ echo b > b
$ hg ci -d '0 0' -qAm '0: add a b'
$ echo c > c
$ hg ci -d '1 0' -qAm '1: add c'
$ hg copy a e
$ echo b >> b
$ hg ci -d '2 0' -qAm '2: copy e from a, change b'
$ hg up -C 0
1 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ echo a >> a
$ hg ci -d '3 0' -qAm '3: change a'
$ hg merge
merging a and e to e
2 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg copy b d
$ hg ci -d '4 0' -qAm '4: merge 2 and 3, copy d from b'
$ echo a >> a
$ hg ci -d '5 0' -qAm '5: change a'
$ cd ..
Convert from null revision
$ hg convert --config convert.hg.startrev=null source full
initializing destination full repository
scanning source...
sorting...
converting...
5 0: add a b
4 1: add c
3 2: copy e from a, change b
2 3: change a
1 4: merge 2 and 3, copy d from b
0 5: change a
$ glog full
o 5 "5: change a" files: a
|
o 4 "4: merge 2 and 3, copy d from b" files: d e
|\
| o 3 "3: change a" files: a
| |
o | 2 "2: copy e from a, change b" files: b e
| |
o | 1 "1: add c" files: c
|/
o 0 "0: add a b" files: a b
$ rm -Rf full
Convert from zero revision
$ hg convert --config convert.hg.startrev=0 source full
initializing destination full repository
scanning source...
sorting...
converting...
5 0: add a b
4 1: add c
3 2: copy e from a, change b
2 3: change a
1 4: merge 2 and 3, copy d from b
0 5: change a
$ glog full
o 5 "5: change a" files: a
|
o 4 "4: merge 2 and 3, copy d from b" files: d e
|\
| o 3 "3: change a" files: a
| |
o | 2 "2: copy e from a, change b" files: b e
| |
o | 1 "1: add c" files: c
|/
o 0 "0: add a b" files: a b
Convert from merge parent
$ hg convert --config convert.hg.startrev=1 source conv1
initializing destination conv1 repository
scanning source...
sorting...
converting...
3 1: add c
2 2: copy e from a, change b
1 4: merge 2 and 3, copy d from b
0 5: change a
$ glog conv1
o 3 "5: change a" files: a
|
o 2 "4: merge 2 and 3, copy d from b" files: a d e
|
o 1 "2: copy e from a, change b" files: b e
|
o 0 "1: add c" files: a b c
$ cd conv1
$ hg up -q
Check copy preservation
$ hg log --follow --copies e
changeset: 2:79818a521a40
user: test
date: Thu Jan 01 00:00:04 1970 +0000
summary: 4: merge 2 and 3, copy d from b
changeset: 1:3e6201832cce
user: test
date: Thu Jan 01 00:00:02 1970 +0000
summary: 2: copy e from a, change b
Check copy removal on missing parent
$ hg log --follow --copies d
changeset: 2:79818a521a40
user: test
date: Thu Jan 01 00:00:04 1970 +0000
summary: 4: merge 2 and 3, copy d from b
$ hg cat -r tip a b
a
a
a
b
b
$ hg -q verify
$ cd ..
Convert from merge
$ hg convert --config convert.hg.startrev=4 source conv4
initializing destination conv4 repository
scanning source...
sorting...
converting...
1 4: merge 2 and 3, copy d from b
0 5: change a
$ glog conv4
o 1 "5: change a" files: a
|
o 0 "4: merge 2 and 3, copy d from b" files: a b c d e
$ cd conv4
$ hg up -C
5 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg cat -r tip a b
a
a
a
b
b
$ hg -q verify
$ cd ..