upstream/mercurial-mirror Files · tests/test-merge5.t

strip: incrementally update the branchheads cache after a strip...

strip: incrementally update the branchheads cache after a strip This function augments strip to incrementally update the branchheads cache rather than recompute it from scratch. This speeds up the performance of strip and rebase on repos with long history. The performance optimization only happens if the revisions stripped are all on the same branch and the parents of the stripped revisions are also on that same branch. This adds a few test cases, particularly one that reproduces the extra heads that mpm observed.

Brendan Cully - - Load All Authors

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        $ hg init

        $ echo This is file a1 > a

        $ echo This is file b1 > b

        $ hg add a b

        $ hg commit -m "commit #0"

        $ echo This is file b22 > b

        $ hg commit -m "comment #1"

        $ hg update 0

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

        $ rm b

        $ hg commit -A -m "comment #2"

        removing b

        created new head

        $ hg update 1

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

        $ hg update

        abort: crosses branches (merge branches or update --check to force update)

        [255]

        $ hg update -c

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

        $ mv a c

      In theory, we shouldn't need the "-y" below, but it prevents this test

      from hanging when "hg update" erroneously prompts the user for "keep

      or delete".

      Should abort:

        $ hg update -y 1

        abort: crosses branches (merge branches or use --clean to discard changes)

        [255]

        $ mv c a

      Should succeed:

        $ hg update -y 1

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

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				$ hg init
				$ echo This is file a1 > a
				$ echo This is file b1 > b
				$ hg add a b
				$ hg commit -m "commit #0"
				$ echo This is file b22 > b
				$ hg commit -m "comment #1"
				$ hg update 0
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ rm b
				$ hg commit -A -m "comment #2"
				removing b
				created new head
				$ hg update 1
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ hg update
				abort: crosses branches (merge branches or update --check to force update)
				[255]
				$ hg update -c
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved
				$ mv a c

				In theory, we shouldn't need the "-y" below, but it prevents this test
				from hanging when "hg update" erroneously prompts the user for "keep
				or delete".

				Should abort:

				$ hg update -y 1
				abort: crosses branches (merge branches or use --clean to discard changes)
				[255]
				$ mv c a

				Should succeed:

				$ hg update -y 1
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved