Test unionrepo functionality

Create one repository

  $ hg init repo1

  $ cd repo1

  $ touch repo1-0

  $ echo repo1-0 > f

  $ hg ci -Aqmrepo1-0

  $ touch repo1-1

  $ echo repo1-1 >> f

  $ hg ci -Aqmrepo1-1

  $ touch repo1-2

  $ echo repo1-2 >> f

  $ hg ci -Aqmrepo1-2

  $ hg log --template '{rev}:{node|short}  {desc|firstline}\n'

  2:68c0685446a3  repo1-2

  1:8a58db72e69d  repo1-1

  0:f093fec0529b  repo1-0

  $ tip1=`hg id -q`

  $ cd ..

- and a clone with a not-completely-trivial history

  $ hg clone -q repo1 --rev 0 repo2

  $ cd repo2

  $ touch repo2-1

  $ sed '1i\

  > repo2-1 at top

  > ' f > f.tmp

  $ mv f.tmp f

  $ hg ci -Aqmrepo2-1

  $ touch repo2-2

  $ hg pull -q ../repo1 -r 1

  $ hg merge -q

  $ hg ci -Aqmrepo2-2-merge

  $ touch repo2-3

  $ echo repo2-3 >> f

  $ hg ci -mrepo2-3

  $ hg log --template '{rev}:{node|short}  {desc|firstline}\n'

  4:2f0d178c469c  repo2-3

  3:9e6fb3e0b9da  repo2-2-merge

  2:8a58db72e69d  repo1-1

  1:c337dba826e7  repo2-1

  0:f093fec0529b  repo1-0

  $ cd ..

revisions from repo2 appear as appended / pulled to repo1

  $ hg -R union:repo1+repo2 log --template '{rev}:{node|short}  {desc|firstline}\n'

  5:2f0d178c469c  repo2-3

  4:9e6fb3e0b9da  repo2-2-merge

  3:c337dba826e7  repo2-1

  2:68c0685446a3  repo1-2

  1:8a58db72e69d  repo1-1

  0:f093fec0529b  repo1-0

manifest can be retrieved for revisions in both repos

  $ hg -R union:repo1+repo2 mani -r $tip1

  f

  repo1-0

  repo1-1

  repo1-2

  $ hg -R union:repo1+repo2 mani -r 4

  f

  repo1-0

  repo1-1

  repo2-1

  repo2-2

files can be retrieved form both repos

  $ hg -R repo1 cat repo1/f -r2

  repo1-0

  repo1-1

  repo1-2

  $ hg -R union:repo1+repo2 cat -r$tip1 repo1/f

  repo1-0

  repo1-1

  repo1-2

  $ hg -R union:repo1+repo2 cat -r4 $TESTTMP/repo1/f

  repo2-1 at top

  repo1-0

  repo1-1

files can be compared across repos

  $ hg -R union:repo1+repo2 diff -r$tip1 -rtip

  diff -r 68c0685446a3 -r 2f0d178c469c f

  --- a/f	Thu Jan 01 00:00:00 1970 +0000

  +++ b/f	Thu Jan 01 00:00:00 1970 +0000

  @@ -1,3 +1,4 @@

  +repo2-1 at top

   repo1-0

   repo1-1

  -repo1-2

  +repo2-3

heads from both repos are found correctly

  $ hg -R union:repo1+repo2 heads --template '{rev}:{node|short}  {desc|firstline}\n'

  5:2f0d178c469c  repo2-3

  2:68c0685446a3  repo1-2

revsets works across repos

  $ hg -R union:repo1+repo2 id -r "ancestor($tip1, 5)"

  8a58db72e69d

annotate works - an indication that linkrevs works

  $ hg --cwd repo1 -Runion:../repo2 annotate $TESTTMP/repo1/f -r tip

  3: repo2-1 at top

  0: repo1-0

  1: repo1-1

  5: repo2-3

union repos can be cloned ... and clones works correctly

  $ hg clone -U union:repo1+repo2 repo3

  requesting all changes

  adding changesets

  adding manifests

  adding file changes

  added 6 changesets with 11 changes to 6 files (+1 heads)

  $ hg -R repo3 paths

  default = union:repo1+repo2

  $ hg -R repo3 verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  6 files, 6 changesets, 11 total revisions

  $ hg -R repo3 heads --template '{rev}:{node|short}  {desc|firstline}\n'

  5:2f0d178c469c  repo2-3

  2:68c0685446a3  repo1-2

  $ hg -R repo3 log --template '{rev}:{node|short}  {desc|firstline}\n'

  5:2f0d178c469c  repo2-3

  4:9e6fb3e0b9da  repo2-2-merge

  3:c337dba826e7  repo2-1

  2:68c0685446a3  repo1-2

  1:8a58db72e69d  repo1-1

  0:f093fec0529b  repo1-0