Store empty (default) branch in branch cache, too.
Operations on this branch don't work otherwise.
Reading branches.cache had to be adjusted to allow an empty label.
Adjusted reading of the cache tip for symmetry, no functional change here.
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
(run 'hg update' to get a working copy)
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% should fail with encoding error
M a
? latin-1
? latin-1-tag
? utf-8
abort: decoding near ' encoded: �': 'ascii' codec can't decode byte 0xe9 in position 20: ordinal not in range(128)!
transaction abort!
rollback completed
% these should work
% ascii
changeset: 5:db5520b4645f
branch: ?
tag: tip
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin1 branch
changeset: 4:9cff3c980b58
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: Added tag ? for changeset 770b9b11621d
changeset: 3:770b9b11621d
tag: ?
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: utf-8 e' encoded: ?
changeset: 2:0572af48b948
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e' encoded: ?
changeset: 1:0e5b7e3f9c4a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: koi8-r: ????? = u'\u0440\u0442\u0443\u0442\u044c'
changeset: 0:1e78a93102a3
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e': ? = u'\xe9'
% latin-1
changeset: 5:db5520b4645f
branch: �
tag: tip
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin1 branch
changeset: 4:9cff3c980b58
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: Added tag � for changeset 770b9b11621d
changeset: 3:770b9b11621d
tag: �
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: utf-8 e' encoded: �
changeset: 2:0572af48b948
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e' encoded: �
changeset: 1:0e5b7e3f9c4a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: koi8-r: ����� = u'\u0440\u0442\u0443\u0442\u044c'
changeset: 0:1e78a93102a3
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e': � = u'\xe9'
% utf-8
changeset: 5:db5520b4645f
branch: é
tag: tip
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin1 branch
changeset: 4:9cff3c980b58
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: Added tag é for changeset 770b9b11621d
changeset: 3:770b9b11621d
tag: é
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: utf-8 e' encoded: é
changeset: 2:0572af48b948
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e' encoded: é
changeset: 1:0e5b7e3f9c4a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: koi8-r: ÒÔÕÔØ = u'\u0440\u0442\u0443\u0442\u044c'
changeset: 0:1e78a93102a3
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e': é = u'\xe9'
% ascii
tip 5:db5520b4645f
? 3:770b9b11621d
% latin-1
tip 5:db5520b4645f
� 3:770b9b11621d
% utf-8
tip 5:db5520b4645f
é 3:770b9b11621d
% ascii
? 5:db5520b4645f
4:9cff3c980b58
% latin-1
� 5:db5520b4645f
4:9cff3c980b58
% utf-8
é 5:db5520b4645f
4:9cff3c980b58
% utf-8
changeset: 5:db5520b4645f
branch: é
tag: tip
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin1 branch
changeset: 4:9cff3c980b58
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: Added tag é for changeset 770b9b11621d
changeset: 3:770b9b11621d
tag: é
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: utf-8 e' encoded: é
changeset: 2:0572af48b948
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e' encoded: é
changeset: 1:0e5b7e3f9c4a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: koi8-r: ртуть = u'\u0440\u0442\u0443\u0442\u044c'
changeset: 0:1e78a93102a3
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: latin-1 e': И = u'\xe9'
abort: unknown encoding: dolphin, please check your locale settings
abort: decoding near '�': 'ascii' codec can't decode byte 0xe9 in position 0: ordinal not in range(128)!
abort: branch name not in UTF-8!