revlog.py: always return tuples from parents and parentrevs
There's at least one place doing parentrevs(rev) != (rev-1, -1),
which is always true with revlog v0, since parentrevs returns a list
in this case.
foo
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
foo
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
foo
changeset: 5:dc140083783b
branch: foo
tag: tip
parent: 4:98d14f698afe
parent: 3:9d567d0b51f9
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: merge
changeset: 4:98d14f698afe
branch: foo
parent: 1:0079f24813e2
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: modify a branch
changeset: 3:9d567d0b51f9
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: clear branch name
changeset: 2:ed2bbf4e0102
branch: bar
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: change branch name
changeset: 1:0079f24813e2
branch: foo
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add branch name
changeset: 0:db01e8ea3388
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
foo 5:dc140083783b
bar 2:ed2bbf4e0102
foo
bar
% test for invalid branch cache
rolling back last transaction
changeset: 4:98d14f698afe
branch: foo
tag: tip
parent: 1:0079f24813e2
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: modify a branch