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hg: support for auto sharing stores when cloning...
hg: support for auto sharing stores when cloning Many 3rd party consumers of Mercurial have created wrappers to essentially perform clone+share as a single operation. This is especially popular in automated processes like continuous integration systems. The Jenkins CI software and Mozilla's Firefox release automation infrastructure have both implemented custom code that effectively perform clone+share. The common use case here is that clients want to obtain N>1 checkouts while minimizing disk space and network requirements. Furthermore, they often don't care that a clone is an exact mirror of a remote: they are simply looking to obtain checkouts of specific revisions. When multiple third parties implement a similar feature, it's a good sign that the feature is worth adding to the core product. This patch adds support for an easy-to-use clone+share feature. The internal "clone" function now accepts options to control auto sharing during clone. When the auto share mode is active, a store will be created/updated under the base directory specified and a new repository pointing to the shared store will be created at the path specified by the user. The share extension has grown the ability to pass these options into the clone command/function. No command line options for this feature are added because we don't feel the feature will be popular enough to warrant their existence. There are two modes for auto share mode. In the default mode, the shared repo is derived from the first changeset (rev 0) in the remote repository. This enables related repositories existing at different URLs to automatically use the same storage. In environments that operate several repositories (separate repo for branch/head/bookmark or separate repo per user), this has the potential to drastically reduce storage and network requirements. In the other mode, the name is derived from the remote's path/URL.

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test-clone.t
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Prepare repo a:
$ hg init a
$ cd a
$ echo a > a
$ hg add a
$ hg commit -m test
$ echo first line > b
$ hg add b
Create a non-inlined filelog:
$ $PYTHON -c 'file("data1", "wb").write("".join("%s\n" % x for x in range(10000)))'
$ for j in 0 1 2 3 4 5 6 7 8 9; do
> cat data1 >> b
> hg commit -m test
> done
List files in store/data (should show a 'b.d'):
$ for i in .hg/store/data/*; do
> echo $i
> done
.hg/store/data/a.i
.hg/store/data/b.d
.hg/store/data/b.i
Trigger branchcache creation:
$ hg branches
default 10:a7949464abda
$ ls .hg/cache
branch2-served
rbc-names-v1
rbc-revs-v1
Default operation:
$ hg clone . ../b
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd ../b
Ensure branchcache got copied over:
$ ls .hg/cache
branch2-served
$ cat a
a
$ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
2 files, 11 changesets, 11 total revisions
Invalid dest '' must abort:
$ hg clone . ''
abort: empty destination path is not valid
[255]
No update, with debug option:
#if hardlink
$ hg --debug clone -U . ../c --config progress.debug=true
linking: 1
linking: 2
linking: 3
linking: 4
linking: 5
linking: 6
linking: 7
linking: 8
linked 8 files
#else
$ hg --debug clone -U . ../c --config progress.debug=true
linking: 1
copying: 2
copying: 3
copying: 4
copying: 5
copying: 6
copying: 7
copying: 8
copied 8 files
#endif
$ cd ../c
Ensure branchcache got copied over:
$ ls .hg/cache
branch2-served
$ cat a 2>/dev/null || echo "a not present"
a not present
$ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
2 files, 11 changesets, 11 total revisions
Default destination:
$ mkdir ../d
$ cd ../d
$ hg clone ../a
destination directory: a
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd a
$ hg cat a
a
$ cd ../..
Check that we drop the 'file:' from the path before writing the .hgrc:
$ hg clone file:a e
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ grep 'file:' e/.hg/hgrc
[1]
Check that path aliases are expanded:
$ hg clone -q -U --config 'paths.foobar=a#0' foobar f
$ hg -R f showconfig paths.default
$TESTTMP/a#0 (glob)
Use --pull:
$ hg clone --pull a g
requesting all changes
adding changesets
adding manifests
adding file changes
added 11 changesets with 11 changes to 2 files
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R g verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
2 files, 11 changesets, 11 total revisions
Invalid dest '' with --pull must abort (issue2528):
$ hg clone --pull a ''
abort: empty destination path is not valid
[255]
Clone to '.':
$ mkdir h
$ cd h
$ hg clone ../a .
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd ..
*** Tests for option -u ***
Adding some more history to repo a:
$ cd a
$ hg tag ref1
$ echo the quick brown fox >a
$ hg ci -m "hacked default"
$ hg up ref1
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg branch stable
marked working directory as branch stable
(branches are permanent and global, did you want a bookmark?)
$ echo some text >a
$ hg ci -m "starting branch stable"
$ hg tag ref2
$ echo some more text >a
$ hg ci -m "another change for branch stable"
$ hg up ref2
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg parents
changeset: 13:e8ece76546a6
branch: stable
tag: ref2
parent: 10:a7949464abda
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: starting branch stable
Repo a has two heads:
$ hg heads
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
$ cd ..
Testing --noupdate with --updaterev (must abort):
$ hg clone --noupdate --updaterev 1 a ua
abort: cannot specify both --noupdate and --updaterev
[255]
Testing clone -u:
$ hg clone -u . a ua
updating to branch stable
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has both heads:
$ hg -R ua heads
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
Same revision checked out in repo a and ua:
$ hg -R a parents --template "{node|short}\n"
e8ece76546a6
$ hg -R ua parents --template "{node|short}\n"
e8ece76546a6
$ rm -r ua
Testing clone --pull -u:
$ hg clone --pull -u . a ua
requesting all changes
adding changesets
adding manifests
adding file changes
added 16 changesets with 16 changes to 3 files (+1 heads)
updating to branch stable
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has both heads:
$ hg -R ua heads
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
Same revision checked out in repo a and ua:
$ hg -R a parents --template "{node|short}\n"
e8ece76546a6
$ hg -R ua parents --template "{node|short}\n"
e8ece76546a6
$ rm -r ua
Testing clone -u <branch>:
$ hg clone -u stable a ua
updating to branch stable
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has both heads:
$ hg -R ua heads
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
Branch 'stable' is checked out:
$ hg -R ua parents
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
$ rm -r ua
Testing default checkout:
$ hg clone a ua
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has both heads:
$ hg -R ua heads
changeset: 15:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
Branch 'default' is checked out:
$ hg -R ua parents
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
Test clone with a branch named "@" (issue3677)
$ hg -R ua branch @
marked working directory as branch @
$ hg -R ua commit -m 'created branch @'
$ hg clone ua atbranch
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R atbranch heads
changeset: 16:798b6d97153e
branch: @
tag: tip
parent: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: created branch @
changeset: 15:0aae7cf88f0d
branch: stable
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
$ hg -R atbranch parents
changeset: 12:f21241060d6a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: hacked default
$ rm -r ua atbranch
Testing #<branch>:
$ hg clone -u . a#stable ua
adding changesets
adding manifests
adding file changes
added 14 changesets with 14 changes to 3 files
updating to branch stable
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6):
$ hg -R ua heads
changeset: 13:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 10:a7949464abda
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: test
Same revision checked out in repo a and ua:
$ hg -R a parents --template "{node|short}\n"
e8ece76546a6
$ hg -R ua parents --template "{node|short}\n"
e8ece76546a6
$ rm -r ua
Testing -u -r <branch>:
$ hg clone -u . -r stable a ua
adding changesets
adding manifests
adding file changes
added 14 changesets with 14 changes to 3 files
updating to branch stable
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6):
$ hg -R ua heads
changeset: 13:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 10:a7949464abda
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: test
Same revision checked out in repo a and ua:
$ hg -R a parents --template "{node|short}\n"
e8ece76546a6
$ hg -R ua parents --template "{node|short}\n"
e8ece76546a6
$ rm -r ua
Testing -r <branch>:
$ hg clone -r stable a ua
adding changesets
adding manifests
adding file changes
added 14 changesets with 14 changes to 3 files
updating to branch stable
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6):
$ hg -R ua heads
changeset: 13:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
changeset: 10:a7949464abda
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: test
Branch 'stable' is checked out:
$ hg -R ua parents
changeset: 13:0aae7cf88f0d
branch: stable
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: another change for branch stable
$ rm -r ua
Issue2267: Error in 1.6 hg.py: TypeError: 'NoneType' object is not
iterable in addbranchrevs()
$ cat <<EOF > simpleclone.py
> from mercurial import ui, hg
> myui = ui.ui()
> repo = hg.repository(myui, 'a')
> hg.clone(myui, {}, repo, dest="ua")
> EOF
$ python simpleclone.py
updating to branch default
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ rm -r ua
$ cat <<EOF > branchclone.py
> from mercurial import ui, hg, extensions
> myui = ui.ui()
> extensions.loadall(myui)
> repo = hg.repository(myui, 'a')
> hg.clone(myui, {}, repo, dest="ua", branch=["stable",])
> EOF
$ python branchclone.py
adding changesets
adding manifests
adding file changes
added 14 changesets with 14 changes to 3 files
updating to branch stable
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ rm -r ua
Test clone with special '@' bookmark:
$ cd a
$ hg bookmark -r a7949464abda @ # branch point of stable from default
$ hg clone . ../i
updating to bookmark @
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg id -i ../i
a7949464abda
$ rm -r ../i
$ hg bookmark -f -r stable @
$ hg bookmarks
@ 15:0aae7cf88f0d
$ hg clone . ../i
updating to bookmark @ on branch stable
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg id -i ../i
0aae7cf88f0d
$ cd "$TESTTMP"
Testing failures:
$ mkdir fail
$ cd fail
No local source
$ hg clone a b
abort: repository a not found!
[255]
No remote source
#if windows
$ hg clone http://127.0.0.1:3121/a b
abort: error: * (glob)
[255]
#else
$ hg clone http://127.0.0.1:3121/a b
abort: error: *refused* (glob)
[255]
#endif
$ rm -rf b # work around bug with http clone
#if unix-permissions no-root
Inaccessible source
$ mkdir a
$ chmod 000 a
$ hg clone a b
abort: repository a not found!
[255]
Inaccessible destination
$ hg init b
$ cd b
$ hg clone . ../a
abort: Permission denied: '../a'
[255]
$ cd ..
$ chmod 700 a
$ rm -r a b
#endif
#if fifo
Source of wrong type
$ mkfifo a
$ hg clone a b
abort: repository a not found!
[255]
$ rm a
#endif
Default destination, same directory
$ hg init q
$ hg clone q
destination directory: q
abort: destination 'q' is not empty
[255]
destination directory not empty
$ mkdir a
$ echo stuff > a/a
$ hg clone q a
abort: destination 'a' is not empty
[255]
#if unix-permissions no-root
leave existing directory in place after clone failure
$ hg init c
$ cd c
$ echo c > c
$ hg commit -A -m test
adding c
$ chmod -rx .hg/store/data
$ cd ..
$ mkdir d
$ hg clone c d 2> err
[255]
$ test -d d
$ test -d d/.hg
[1]
re-enable perm to allow deletion
$ chmod +rx c/.hg/store/data
#endif
$ cd ..
Test clone from the repository in (emulated) revlog format 0 (issue4203):
$ mkdir issue4203
$ mkdir -p src/.hg
$ echo foo > src/foo
$ hg -R src add src/foo
$ hg -R src commit -m '#0'
$ hg -R src log -q
0:e1bab28bca43
$ hg clone -U -q src dst
$ hg -R dst log -q
0:e1bab28bca43
Create repositories to test auto sharing functionality
$ cat >> $HGRCPATH << EOF
> [extensions]
> share=
> EOF
$ hg init empty
$ hg init source1a
$ cd source1a
$ echo initial1 > foo
$ hg -q commit -A -m initial
$ echo second > foo
$ hg commit -m second
$ cd ..
$ hg init filteredrev0
$ cd filteredrev0
$ cat >> .hg/hgrc << EOF
> [experimental]
> evolution=createmarkers
> EOF
$ echo initial1 > foo
$ hg -q commit -A -m initial0
$ hg -q up -r null
$ echo initial2 > foo
$ hg -q commit -A -m initial1
$ hg debugobsolete c05d5c47a5cf81401869999f3d05f7d699d2b29a e082c1832e09a7d1e78b7fd49a592d372de854c8
$ cd ..
$ hg -q clone --pull source1a source1b
$ cd source1a
$ hg bookmark bookA
$ echo 1a > foo
$ hg commit -m 1a
$ cd ../source1b
$ hg -q up -r 0
$ echo head1 > foo
$ hg commit -m head1
created new head
$ hg bookmark head1
$ hg -q up -r 0
$ echo head2 > foo
$ hg commit -m head2
created new head
$ hg bookmark head2
$ hg -q up -r 0
$ hg branch branch1
marked working directory as branch branch1
(branches are permanent and global, did you want a bookmark?)
$ echo branch1 > foo
$ hg commit -m branch1
$ hg -q up -r 0
$ hg branch branch2
marked working directory as branch branch2
$ echo branch2 > foo
$ hg commit -m branch2
$ cd ..
$ hg init source2
$ cd source2
$ echo initial2 > foo
$ hg -q commit -A -m initial2
$ echo second > foo
$ hg commit -m second
$ cd ..
Clone with auto share from an empty repo should not result in share
$ mkdir share
$ hg --config share.pool=share clone empty share-empty
(not using pooled storage: remote appears to be empty)
updating to branch default
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ ls share
$ test -d share-empty/.hg/store
$ test -f share-empty/.hg/sharedpath
[1]
Clone with auto share from a repo with filtered revision 0 should not result in share
$ hg --config share.pool=share clone filteredrev0 share-filtered
(not using pooled storage: unable to resolve identity of remote)
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Clone from repo with content should result in shared store being created
$ hg --config share.pool=share clone source1a share-dest1a
(sharing from new pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 3 changes to 1 files
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
no changes found
adding remote bookmark bookA
The shared repo should have been created
$ ls share
b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1
The destination should point to it
$ cat share-dest1a/.hg/sharedpath; echo
$TESTTMP/share/b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1/.hg
The destination should have bookmarks
$ hg -R share-dest1a bookmarks
bookA 2:e5bfe23c0b47
The default path should be the remote, not the share
$ hg -R share-dest1a config paths.default
$TESTTMP/source1a
Clone with existing share dir should result in pull + share
$ hg --config share.pool=share clone source1b share-dest1b
(sharing from existing pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 4 changes to 1 files (+4 heads)
adding remote bookmark head1
adding remote bookmark head2
$ ls share
b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1
$ cat share-dest1b/.hg/sharedpath; echo
$TESTTMP/share/b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1/.hg
We only get bookmarks from the remote, not everything in the share
$ hg -R share-dest1b bookmarks
head1 3:4a8dc1ab4c13
head2 4:99f71071f117
Default path should be source, not share.
$ hg -R share-dest1b config paths.default
$TESTTMP/source1a
Clone from unrelated repo should result in new share
$ hg --config share.pool=share clone source2 share-dest2
(sharing from new pooled repository 22aeff664783fd44c6d9b435618173c118c3448e)
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
no changes found
$ ls share
22aeff664783fd44c6d9b435618173c118c3448e
b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1
remote naming mode works as advertised
$ hg --config share.pool=shareremote --config share.poolnaming=remote clone source1a share-remote1a
(sharing from new pooled repository 195bb1fcdb595c14a6c13e0269129ed78f6debde)
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 3 changes to 1 files
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
no changes found
adding remote bookmark bookA
$ ls shareremote
195bb1fcdb595c14a6c13e0269129ed78f6debde
$ hg --config share.pool=shareremote --config share.poolnaming=remote clone source1b share-remote1b
(sharing from new pooled repository c0d4f83847ca2a873741feb7048a45085fd47c46)
requesting all changes
adding changesets
adding manifests
adding file changes
added 6 changesets with 6 changes to 1 files (+4 heads)
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
no changes found
adding remote bookmark head1
adding remote bookmark head2
$ ls shareremote
195bb1fcdb595c14a6c13e0269129ed78f6debde
c0d4f83847ca2a873741feb7048a45085fd47c46
request to clone a single revision is respected in sharing mode
$ hg --config share.pool=sharerevs clone -r 4a8dc1ab4c13 source1b share-1arev
(sharing from new pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
no changes found
adding remote bookmark head1
$ hg -R share-1arev log -G
@ changeset: 1:4a8dc1ab4c13
| bookmark: head1
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: head1
|
o changeset: 0:b5f04eac9d8f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
making another clone should only pull down requested rev
$ hg --config share.pool=sharerevs clone -r 99f71071f117 source1b share-1brev
(sharing from existing pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
adding remote bookmark head1
adding remote bookmark head2
$ hg -R share-1brev log -G
o changeset: 2:99f71071f117
| bookmark: head2
| tag: tip
| parent: 0:b5f04eac9d8f
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: head2
|
| @ changeset: 1:4a8dc1ab4c13
|/ bookmark: head1
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: head1
|
o changeset: 0:b5f04eac9d8f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
Request to clone a single branch is respected in sharing mode
$ hg --config share.pool=sharebranch clone -b branch1 source1b share-1bbranch1
(sharing from new pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
no changes found
$ hg -R share-1bbranch1 log -G
o changeset: 1:5f92a6c1a1b1
| branch: branch1
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: branch1
|
@ changeset: 0:b5f04eac9d8f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
$ hg --config share.pool=sharebranch clone -b branch2 source1b share-1bbranch2
(sharing from existing pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
$ hg -R share-1bbranch2 log -G
o changeset: 2:6bacf4683960
| branch: branch2
| tag: tip
| parent: 0:b5f04eac9d8f
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: branch2
|
| o changeset: 1:5f92a6c1a1b1
|/ branch: branch1
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: branch1
|
@ changeset: 0:b5f04eac9d8f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
-U is respected in share clone mode
$ hg --config share.pool=share clone -U source1a share-1anowc
(sharing from existing pooled repository b5f04eac9d8f7a6a9fcb070243cccea7dc5ea0c1)
searching for changes
no changes found
adding remote bookmark bookA
$ ls share-1anowc