tests/test-shelve.t

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

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH
  $ echo "shelve=" >> $HGRCPATH
  $ echo "[defaults]" >> $HGRCPATH
  $ echo "diff = --nodates --git" >> $HGRCPATH
  $ echo "qnew = --date '0 0'" >> $HGRCPATH

  $ hg init repo
  $ cd repo
  $ mkdir a b
  $ echo a > a/a
  $ echo b > b/b
  $ echo c > c
  $ echo d > d
  $ echo x > x
  $ hg addremove -q

shelving in an empty repo should be possible

  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 5 files removed, 0 files unresolved

  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 5 changes to 5 files

  $ hg commit -q -m 'initial commit'

  $ hg shelve
  nothing changed
  [1]

create an mq patch - shelving should work fine with a patch applied

  $ echo n > n
  $ hg add n
  $ hg commit n -m second
  $ hg qnew second.patch

shelve a change that we will delete later

  $ echo a >> a/a
  $ hg shelve
  shelved as default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

set up some more complex changes to shelve

  $ echo a >> a/a
  $ hg mv b b.rename
  moving b/b to b.rename/b (glob)
  $ hg cp c c.copy
  $ hg status -C
  M a/a
  A b.rename/b
    b/b
  A c.copy
    c
  R b/b

prevent some foot-shooting

  $ hg shelve -n foo/bar
  abort: shelved change names may not contain slashes
  [255]
  $ hg shelve -n .baz
  abort: shelved change names may not start with '.'
  [255]

the common case - no options or filenames

  $ hg shelve
  shelved as default-01
  2 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ hg status -C

ensure that our shelved changes exist

  $ hg shelve -l
  default-01      (*)    [mq]: second.patch (glob)
  default         (*)    [mq]: second.patch (glob)

  $ hg shelve -l -p default
  default         (*)    [mq]: second.patch (glob)
  
  diff --git a/a/a b/a/a
  --- a/a/a
  +++ b/a/a
  @@ -1,1 +1,2 @@
   a
  +a

delete our older shelved change

  $ hg shelve -d default
  $ hg qfinish -a -q

local edits should not prevent a shelved change from applying

  $ printf "z\na\n" > a/a
  $ hg unshelve --keep
  unshelving change 'default-01'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 8 files (+1 heads)
  merging a/a

  $ hg revert --all -q
  $ rm a/a.orig b.rename/b c.copy

apply it and make sure our state is as expected

  $ hg unshelve
  unshelving change 'default-01'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 8 files
  $ hg status -C
  M a/a
  A b.rename/b
    b/b
  A c.copy
    c
  R b/b
  $ hg shelve -l

  $ hg unshelve
  abort: no shelved changes to apply!
  [255]
  $ hg unshelve foo
  abort: shelved change 'foo' not found
  [255]

named shelves, specific filenames, and "commit messages" should all work

  $ hg status -C
  M a/a
  A b.rename/b
    b/b
  A c.copy
    c
  R b/b
  $ hg shelve -q -n wibble -m wat a

expect "a" to no longer be present, but status otherwise unchanged

  $ hg status -C
  A b.rename/b
    b/b
  A c.copy
    c
  R b/b
  $ hg shelve -l --stat
  wibble          (*)    wat (glob)
   a/a |  1 +
   1 files changed, 1 insertions(+), 0 deletions(-)

and now "a/a" should reappear

  $ cd a
  $ hg unshelve -q wibble
  $ cd ..
  $ hg status -C
  M a/a
  A b.rename/b
    b/b
  A c.copy
    c
  R b/b

cause unshelving to result in a merge with 'a' conflicting

  $ hg shelve -q
  $ echo c>>a/a
  $ hg commit -m second
  $ hg tip --template '{files}\n'
  a/a

add an unrelated change that should be preserved

  $ mkdir foo
  $ echo foo > foo/foo
  $ hg add foo/foo

force a conflicted merge to occur

  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 8 files (+1 heads)
  merging a/a
  warning: conflicts during merge.
  merging a/a incomplete! (edit conflicts, then use 'hg resolve --mark')
  unresolved conflicts (see 'hg resolve', then 'hg unshelve --continue')
  [1]

ensure that we have a merge with unresolved conflicts

  $ hg heads -q --template '{rev}\n'
  5
  4
  $ hg parents -q --template '{rev}\n'
  4
  5
  $ hg status
  M a/a
  M b.rename/b
  M c.copy
  R b/b
  ? a/a.orig
  $ hg diff
  diff --git a/a/a b/a/a
  --- a/a/a
  +++ b/a/a
  @@ -1,2 +1,6 @@
   a
  +<<<<<<< local
   c
  +=======
  +a
  +>>>>>>> other
  diff --git a/b.rename/b b/b.rename/b
  new file mode 100644
  --- /dev/null
  +++ b/b.rename/b
  @@ -0,0 +1,1 @@
  +b
  diff --git a/b/b b/b/b
  deleted file mode 100644
  --- a/b/b
  +++ /dev/null
  @@ -1,1 +0,0 @@
  -b
  diff --git a/c.copy b/c.copy
  new file mode 100644
  --- /dev/null
  +++ b/c.copy
  @@ -0,0 +1,1 @@
  +c
  $ hg resolve -l
  U a/a

  $ hg shelve
  abort: unshelve already in progress
  (use 'hg unshelve --continue' or 'hg unshelve --abort')
  [255]

abort the unshelve and be happy

  $ hg status
  M a/a
  M b.rename/b
  M c.copy
  R b/b
  ? a/a.orig
  $ hg unshelve -a
  rebase aborted
  unshelve of 'default' aborted
  $ hg heads -q
  3:2e69b451d1ea
  $ hg parents
  changeset:   3:2e69b451d1ea
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     second
  
  $ hg resolve -l
  $ hg status
  A foo/foo
  ? a/a.orig

try to continue with no unshelve underway

  $ hg unshelve -c
  abort: no unshelve operation underway
  [255]
  $ hg status
  A foo/foo
  ? a/a.orig

redo the unshelve to get a conflict

  $ hg unshelve -q
  warning: conflicts during merge.
  merging a/a incomplete! (edit conflicts, then use 'hg resolve --mark')
  unresolved conflicts (see 'hg resolve', then 'hg unshelve --continue')
  [1]

attempt to continue

  $ hg unshelve -c
  abort: unresolved conflicts, can't continue
  (see 'hg resolve', then 'hg unshelve --continue')
  [255]

  $ hg revert -r . a/a
  $ hg resolve -m a/a

  $ hg commit -m 'commit while unshelve in progress'
  abort: unshelve already in progress
  (use 'hg unshelve --continue' or 'hg unshelve --abort')
  [255]

  $ hg unshelve -c
  unshelve of 'default' complete

ensure the repo is as we hope

  $ hg parents
  changeset:   3:2e69b451d1ea
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     second
  
  $ hg heads -q
  3:2e69b451d1ea

  $ hg status -C
  A b.rename/b
    b/b
  A c.copy
    c
  A foo/foo
  R b/b
  ? a/a.orig

there should be no shelves left

  $ hg shelve -l

#if execbit

ensure that metadata-only changes are shelved

  $ chmod +x a/a
  $ hg shelve -q -n execbit a/a
  $ hg status a/a
  $ hg unshelve -q execbit
  $ hg status a/a
  M a/a
  $ hg revert a/a

#endif

#if symlink

  $ rm a/a
  $ ln -s foo a/a
  $ hg shelve -q -n symlink a/a
  $ hg status a/a
  $ hg unshelve -q symlink
  $ hg status a/a
  M a/a
  $ hg revert a/a

#endif

set up another conflict between a commit and a shelved change

  $ hg revert -q -C -a
  $ rm a/a.orig b.rename/b c.copy
  $ echo a >> a/a
  $ hg shelve -q
  $ echo x >> a/a
  $ hg ci -m 'create conflict'
  $ hg add foo/foo

if we resolve a conflict while unshelving, the unshelve should succeed

  $ HGMERGE=true hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 6 files (+1 heads)
  merging a/a
  $ hg parents -q
  4:33f7f61e6c5e
  $ hg shelve -l
  $ hg status
  A foo/foo
  $ cat a/a
  a
  c
  x

test keep and cleanup

  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg shelve --list
  default         (*)    create conflict (glob)
  $ hg unshelve --keep
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 7 files
  $ hg shelve --list
  default         (*)    create conflict (glob)
  $ hg shelve --cleanup
  $ hg shelve --list

test bookmarks

  $ hg bookmark test
  $ hg bookmark
   * test                      4:33f7f61e6c5e
  $ hg shelve
  shelved as test
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg bookmark
   * test                      4:33f7f61e6c5e
  $ hg unshelve
  unshelving change 'test'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 7 files
  $ hg bookmark
   * test                      4:33f7f61e6c5e

shelve should still work even if mq is disabled

  $ hg --config extensions.mq=! shelve
  shelved as test
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg --config extensions.mq=! shelve --list
  test            (1s ago)    create conflict
  $ hg --config extensions.mq=! unshelve
  unshelving change 'test'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 7 files

shelve should leave dirstate clean (issue 4055)

  $ cd ..
  $ hg init shelverebase
  $ cd shelverebase
  $ printf 'x\ny\n' > x
  $ echo z > z
  $ hg commit -Aqm xy
  $ echo z >> x
  $ hg commit -Aqm z
  $ hg up 0
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ printf 'a\nx\ny\nz\n' > x
  $ hg commit -Aqm xyz
  $ echo c >> z
  $ hg shelve
  shelved as default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg rebase -d 1 --config extensions.rebase=
  merging x
  saved backup bundle to $TESTTMP/shelverebase/.hg/strip-backup/323bfa07f744-backup.hg (glob)
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files (+1 heads)
  $ hg status
  M z

  $ cd ..

shelve should only unshelve pending changes (issue 4068)

  $ hg init onlypendingchanges
  $ cd onlypendingchanges
  $ touch a
  $ hg ci -Aqm a
  $ touch b
  $ hg ci -Aqm b
  $ hg up -q 0
  $ touch c
  $ hg ci -Aqm c

  $ touch d
  $ hg add d
  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg up -q 1
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 3 files
  $ hg status
  A d

unshelve should work on an ancestor of the original commit

  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 3 files
  $ hg status
  A d

test bug 4073 we need to enable obsolete markers for it

  $ cat > ../obs.py << EOF
  > import mercurial.obsolete
  > mercurial.obsolete._enabled = True
  > EOF
  $ echo '[extensions]' >> $HGRCPATH
  $ echo "obs=${TESTTMP}/obs.py" >> $HGRCPATH
  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg debugobsolete `hg --debug id -i -r 1`
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 2 files (+1 heads)

unshelve should leave unknown files alone (issue4113)

  $ echo e > e
  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg status
  ? e
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 2 files (+1 heads)
  $ hg status
  A d
  ? e
  $ cat e
  e

unshelve should keep a copy of unknown files

  $ hg add e
  $ hg shelve
  shelved as default
  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ echo z > e
  $ hg unshelve
  unshelving change 'default'
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 2 changes to 3 files (+1 heads)
  $ cat e
  e
  $ cat e.orig
  z

  $ cd ..