lazyindex: speed up __getitem__
This function is fairly performance sensitive, so we make a couple
ugly tweaks:
- keep all entries packed so we needn't test entry types
- fold index lookup/load into unpack call to eliminate
local variable setting
# should complain
abort: please specify a revision to backout
abort: please specify just one revision
# basic operation
adding a
reverting a
changeset 2:2929462c3dff backs out changeset 1:a820f4f40a57
a
# file that was removed is recreated
adding a
adding a
changeset 2:de31bdc76c0d backs out changeset 1:76862dcce372
content
# backout of backout is as if nothing happened
removing a
changeset 3:7f6d0f120113 backs out changeset 2:de31bdc76c0d
cat: a: No such file or directory
# backout with merge
adding a
reverting a
changeset 3:3eb045e364a4 backs out changeset 1:314f55b1bf23
merging with changeset 2:b66ea5b77abb
merging a
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
line 1
# backout should not back out subsequent changesets
adding a
adding b
reverting a
changeset 3:3202beb76721 backs out changeset 1:22bca4c721e5
the backout changeset is a new head - do not forget to merge
(use "backout --merge" if you want to auto-merge)
adding a
adding b
adding c
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding d
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
# backout of merge should fail
abort: cannot back out a merge changeset without --parent
# backout of merge with bad parent should fail
abort: cb9a9f314b8b is not a parent of b2f3bb92043e
# backout of non-merge with parent should fail
abort: cannot use --parent on non-merge changeset
# backout with valid parent should be ok
removing d
changeset 5:10e5328c8435 backs out changeset 4:b2f3bb92043e
rolling back last transaction
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
removing c
changeset 5:033590168430 backs out changeset 4:b2f3bb92043e