merge: fix a copy detection bug (issue672)
When merging rev1 and rev2, we want to search for copies that happened
in rev1 but not in rev2 and vice-versa. We were starting the search at
rev1/rev2 and then going back, stopping as soon as we reached the revno
of the ancestor, but that can miss some cases (see the new
test-issue672).
Now we calculate the revisions that are ancestors of rev1 or rev2 (but
not both) and make sure the search doesn't stop too early.
Simplified test provided by mpm, based on a test case provided by
Edward Lee.
% commit date test
abort: impossible time zone offset: 4444444
transaction abort!
rollback completed
abort: invalid date: '1\t15.1'
transaction abort!
rollback completed
abort: invalid date: 'foo bar'
transaction abort!
rollback completed
nothing changed
% partial commit test
trouble committing bar!
abort: No such file or directory: .../test/bar
adding dir/file
dir/file
adding dir.file
abort: no match under directory .../test/dir!
abort: no match under directory .../test/bleh!
abort: no match under directory .../test/dir2!
dir/file
does-not-exist: No such file or directory
abort: file .../test/does-not-exist not found!
abort: file .../test/baz not tracked!
abort: file .../test/quux not tracked!
dir/file
% partial subdir commit test
adding bar/bar
adding foo/foo
% subdir log 1
changeset: 0:6ef3cb06bb80
user: test
date: Mon Jan 12 13:46:40 1970 +0000
files: foo/foo
description:
commit-subdir-1
% subdir log 2
changeset: 1:f2e51572cf5a
tag: tip
user: test
date: Mon Jan 12 13:46:41 1970 +0000
files: bar/bar
description:
commit-subdir-2
% full log
changeset: 1:f2e51572cf5a
tag: tip
user: test
date: Mon Jan 12 13:46:41 1970 +0000
files: bar/bar
description:
commit-subdir-2
changeset: 0:6ef3cb06bb80
user: test
date: Mon Jan 12 13:46:40 1970 +0000
files: foo/foo
description:
commit-subdir-1
% dot and subdir commit test
% full log
changeset: 1:d9180e04fa8a
tag: tip
user: test
date: Sat Jan 24 03:33:20 1970 +0000
files: foo/plain-file
description:
commit-foo-dot
changeset: 0:80b572aaf098
user: test
date: Mon Jan 12 13:46:40 1970 +0000
files: foo/plain-file
description:
commit-foo-subdir
% subdir log
changeset: 1:d9180e04fa8a
tag: tip
user: test
date: Sat Jan 24 03:33:20 1970 +0000
summary: commit-foo-dot
changeset: 0:80b572aaf098
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: commit-foo-subdir