tests/test-merge1.t

deltaparent(): don't return nullrev for a revision containing a full snapshot

this allows us to simplify manifest.readdelta and revlog.revdiff

  $ cat <<EOF > merge
  > import sys, os
  > 
  > try:
  >     import msvcrt
  >     msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
  >     msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
  > except ImportError:
  >     pass
  > 
  > print "merging for", os.path.basename(sys.argv[1])
  > EOF
  $ HGMERGE="python ../merge"; export HGMERGE

  $ mkdir t
  $ cd t
  $ hg init
  $ echo This is file a1 > a
  $ hg add a
  $ hg commit -m "commit #0" -d "1000000 0"
  $ echo This is file b1 > b
  $ hg add b
  $ hg commit -m "commit #1" -d "1000000 0"

  $ hg update 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo This is file c1 > c
  $ hg add c
  $ hg commit -m "commit #2" -d "1000000 0"
  created new head
  $ echo This is file b1 > b
no merges expected
  $ hg merge -P 1
  changeset:   1:4ee19afe4659
  user:        test
  date:        Mon Jan 12 13:46:40 1970 +0000
  summary:     commit #1
  
  $ hg merge 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg diff --nodates
  diff -r d9e5953b9dec b
  --- /dev/null
  +++ b/b
  @@ -0,0 +1,1 @@
  +This is file b1
  $ hg status
  M b
  $ cd ..; rm -r t

  $ mkdir t
  $ cd t
  $ hg init
  $ echo This is file a1 > a
  $ hg add a
  $ hg commit -m "commit #0" -d "1000000 0"
  $ echo This is file b1 > b
  $ hg add b
  $ hg commit -m "commit #1" -d "1000000 0"

  $ hg update 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo This is file c1 > c
  $ hg add c
  $ hg commit -m "commit #2" -d "1000000 0"
  created new head
  $ echo This is file b2 > b
merge should fail
  $ hg merge 1
  abort: untracked file in working directory differs from file in requested revision: 'b'
merge of b expected
  $ hg merge -f 1
  merging for b
  merging b
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg diff --nodates
  diff -r d9e5953b9dec b
  --- /dev/null
  +++ b/b
  @@ -0,0 +1,1 @@
  +This is file b2
  $ hg status
  M b
  $ cd ..; rm -r t

  $ mkdir t
  $ cd t
  $ hg init
  $ echo This is file a1 > a
  $ hg add a
  $ hg commit -m "commit #0" -d "1000000 0"
  $ echo This is file b1 > b
  $ hg add b
  $ hg commit -m "commit #1" -d "1000000 0"
  $ echo This is file b22 > b
  $ hg commit -m "commit #2" -d "1000000 0"
  $ hg update 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo This is file c1 > c
  $ hg add c
  $ hg commit -m "commit #3" -d "1000000 0"
  created new head

Contents of b should be "this is file b1"
  $ cat b
  This is file b1

  $ echo This is file b22 > b
merge fails
  $ hg merge 2
  abort: outstanding uncommitted changes (use 'hg status' to list changes)
  $ echo %% merge expected!
  %% merge expected!
  $ hg merge -f 2
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg diff --nodates
  diff -r c1dd73cbf59f b
  --- a/b
  +++ b/b
  @@ -1,1 +1,1 @@
  -This is file b1
  +This is file b22
  $ hg status
  M b
  $ cd ..; rm -r t

  $ mkdir t
  $ cd t
  $ hg init
  $ echo This is file a1 > a
  $ hg add a
  $ hg commit -m "commit #0" -d "1000000 0"
  $ echo This is file b1 > b
  $ hg add b
  $ hg commit -m "commit #1" -d "1000000 0"
  $ echo This is file b22 > b
  $ hg commit -m "commit #2" -d "1000000 0"
  $ hg update 1
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo This is file c1 > c
  $ hg add c
  $ hg commit -m "commit #3" -d "1000000 0"
  created new head
  $ echo This is file b33 > b
merge of b should fail
  $ hg merge 2
  abort: outstanding uncommitted changes (use 'hg status' to list changes)
merge of b expected
  $ hg merge -f 2
  merging for b
  merging b
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg diff --nodates
  diff -r c1dd73cbf59f b
  --- a/b
  +++ b/b
  @@ -1,1 +1,1 @@
  -This is file b1
  +This is file b33
  $ hg status
  M b