upstream/mercurial-mirror Files · tests/test-copy-move-merge.t

localrepo: make journal.dirstate contain in-memory changes before transaction...

localrepo: make journal.dirstate contain in-memory changes before transaction Before this patch, in-memory dirstate changes aren't written out at opening transaction, even though 'journal.dirstate' is created directly from '.hg/dirstate'. Therefore, subsequent 'hg rollback' uses incomplete 'undo.dirstate' to restore dirstate, if dirstate is changed and isn't written out before opening transaction. In cases below, the condition "dirstate is changed and isn't written out before opening transaction" isn't satisfied and this problem doesn't appear: - "wlock scope" and "transaction scope" are almost equivalent e.g. 'commit --amend', 'import' and so on - dirstate changes are written out before opening transaction e.g. 'rebase' (via 'dirstateguard') and 'commit -A' (by separated wlock scopes) On the other hand, 'backout' may satisfy the condition above. To make 'journal.dirstate' contain in-memory changes before opening transaction, this patch explicitly invokes 'dirstate.write()' in 'localrepository.transaction()'. 'dirstate.write()' is placed before not "writing journal files out" but "invoking pretxnopen hooks" for visibility of dirstate changes to external hook processes. BTW, in the test script, 'touch -t 200001010000' and 'hg status' are invoked to make file 'c' surely clean in dirstate, because "clean but unsure" files indirectly cause 'dirstate.write()' at 'repo.status()' in 'repo.commit()' (see for detail) and prevents from certainly reproducing the issue.

Pierre-Yves David - - Load All Authors

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r25125:bd625cd4 default


                r25878:800e090e

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             test-copy-move-merge.t
        
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        $ hg init t

        $ cd t

        $ echo 1 > a

        $ hg ci -qAm "first"

        $ hg cp a b

        $ hg mv a c

        $ echo 2 >> b

        $ echo 2 >> c

        $ hg ci -qAm "second"

        $ hg co -C 0

        1 files updated, 0 files merged, 2 files removed, 0 files unresolved

        $ echo 0 > a

        $ echo 1 >> a

        $ hg ci -qAm "other"

        $ hg merge --debug

          searching for copies back to rev 1

          unmatched files in other:

           b

           c

          all copies found (* = to merge, ! = divergent, % = renamed and deleted):

           src: 'a' -> dst: 'b' *

           src: 'a' -> dst: 'c' *

          checking for directory renames

        resolving manifests

         branchmerge: True, force: False, partial: False

         ancestor: b8bf91eeebbc, local: add3f11052fa+, remote: 17c05bb7fcb6

         preserving a for resolve of b

         preserving a for resolve of c

        removing a

         b: remote moved from a -> m

        picked tool 'internal:merge' for b (binary False symlink False)

        merging a and b to b

        my b@add3f11052fa+ other b@17c05bb7fcb6 ancestor a@b8bf91eeebbc

         premerge successful

         c: remote moved from a -> m

        picked tool 'internal:merge' for c (binary False symlink False)

        merging a and c to c

        my c@add3f11052fa+ other c@17c05bb7fcb6 ancestor a@b8bf91eeebbc

         premerge successful

        0 files updated, 2 files merged, 0 files removed, 0 files unresolved

        (branch merge, don't forget to commit)

      file b

        $ cat b

        0

        1

        2

      file c

        $ cat c

        0

        1

        2

        $ cd ..

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				$ hg init t
				$ cd t

				$ echo 1 > a
				$ hg ci -qAm "first"

				$ hg cp a b
				$ hg mv a c
				$ echo 2 >> b
				$ echo 2 >> c

				$ hg ci -qAm "second"

				$ hg co -C 0
				1 files updated, 0 files merged, 2 files removed, 0 files unresolved

				$ echo 0 > a
				$ echo 1 >> a

				$ hg ci -qAm "other"

				$ hg merge --debug
				searching for copies back to rev 1
				unmatched files in other:
				b
				c
				all copies found (* = to merge, ! = divergent, % = renamed and deleted):
				src: 'a' -> dst: 'b' *
				src: 'a' -> dst: 'c' *
				checking for directory renames
				resolving manifests
				branchmerge: True, force: False, partial: False
				ancestor: b8bf91eeebbc, local: add3f11052fa+, remote: 17c05bb7fcb6
				preserving a for resolve of b
				preserving a for resolve of c
				removing a
				b: remote moved from a -> m
				picked tool 'internal:merge' for b (binary False symlink False)
				merging a and b to b
				my b@add3f11052fa+ other b@17c05bb7fcb6 ancestor a@b8bf91eeebbc
				premerge successful
				c: remote moved from a -> m
				picked tool 'internal:merge' for c (binary False symlink False)
				merging a and c to c
				my c@add3f11052fa+ other c@17c05bb7fcb6 ancestor a@b8bf91eeebbc
				premerge successful
				0 files updated, 2 files merged, 0 files removed, 0 files unresolved
				(branch merge, don't forget to commit)

				file b
				$ cat b
				0
				1
				2

				file c
				$ cat c
				0
				1
				2

				$ cd ..