largefiles: add tr backup for largefilesdirstate
This will help us in automatically restoring the largefilesdirstate if a
transaction is rolled back.
Differential Revision: https://phab.mercurial-scm.org/D11611
--- a/hgext/largefiles/lfutil.py Mon Jul 19 04:11:08 2021 +0530
+++ b/hgext/largefiles/lfutil.py Mon Jul 19 04:12:14 2021 +0530
@@ -195,6 +195,8 @@
# (1) disable PENDING mode always
# (lfdirstate isn't yet managed as a part of the transaction)
# (2) avoid develwarn 'use dirstate.write with ....'
+ if tr:
+ tr.addbackup(b'largefiles/dirstate', location=b'plain')
super(largefilesdirstate, self).write(None)
--- a/tests/test-largefiles-cache.t Mon Jul 19 04:11:08 2021 +0530
+++ b/tests/test-largefiles-cache.t Mon Jul 19 04:12:14 2021 +0530
@@ -185,10 +185,12 @@
$ find share_dst/.hg/largefiles/* | sort
share_dst/.hg/largefiles/dirstate
+ share_dst/.hg/largefiles/undo.backup.dirstate
$ find src/.hg/largefiles/* | egrep "(dirstate|$hash)" | sort
src/.hg/largefiles/dirstate
src/.hg/largefiles/e2fb5f2139d086ded2cb600d5a91a196e76bf020
+ src/.hg/largefiles/undo.backup.dirstate
Verify that backwards compatibility is maintained for old storage layout
$ mv src/.hg/largefiles/$hash share_dst/.hg/largefiles