Fix undo after aborted commit bug
Commit would overwrite undo.dirstate unconditionally, so an undo after
an aborted commit would restore the dirstate from the aborted commit
and not the prior transaction.
This copies dirstate to journal.dirstate and moves it after a
successful transaction.
+ hg init
+ echo a
+ hg add a
+ hg commit -m 1 -d '0 0'
+ hg status
? .out
+ cp a b
+ hg copy a b
+ hg status
A b
? .out
+ hg --debug commit -m 2 -d '0 0'
b
b: copy a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
+ hg history
changeset: 1:3b5b84850bbe
tag: tip
user: test
date: Thu Jan 1 00:00:00 1970
summary: 2
changeset: 0:c19d34741b0a
user: test
date: Thu Jan 1 00:00:00 1970
summary: 1
+ hg log a
changeset: 0:c19d34741b0a
user: test
date: Thu Jan 1 00:00:00 1970
summary: 1
+ hexdump -C .hg/data/b.d
00000000 75 01 0a 63 6f 70 79 72 65 76 3a 20 62 37 38 39 |u..copyrev: b789|
00000010 66 64 64 39 36 64 63 32 66 33 62 64 32 32 39 63 |fdd96dc2f3bd229c|
00000020 31 64 64 38 65 65 64 66 30 66 63 36 30 65 32 62 |1dd8eedf0fc60e2b|
00000030 36 38 65 33 0a 63 6f 70 79 3a 20 61 0a 01 0a 61 |68e3.copy: a...a|
00000040 0a |.|
00000041
+ hg cat b
+ md5sum bsum
60b725f10c9c85c70d97880dfe8191b3 bsum
+ hg cat a
+ md5sum asum
60b725f10c9c85c70d97880dfe8191b3 asum
+ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
2 files, 2 changesets, 2 total revisions