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

localrepo: strip now incrementally updates the branchheads cache...

localrepo: strip now incrementally updates the branchheads cache Destroying history via strip used to invalidate the branchheads cache, causing it to be regenerated the next time it is read. This is expensive in large repos. This change converts strip to pass info to localrepo.destroyed() to enable to it to incrementally update the cache, improving the performance of strip and other operations that depend on it (e.g., rebase). This change also strengthens a bit the integrity checking of the branchheads cache when it is read, by rejecting the cache if it has nodes in it that no longer exist.

Martin Geisler - - Load All Authors

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      Create a repository:

        $ hg init t

        $ cd t

      Make a changeset:

        $ echo a > a

        $ hg add a

        $ hg commit -m test

      This command is ancient:

        $ hg history

        changeset:   0:acb14030fe0a

        tag:         tip

        user:        test

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     test

      Verify that updating to revision 0 via commands.update() works properly

        $ cat <<EOF > update_to_rev0.py

        > from mercurial import ui, hg, commands

        > myui = ui.ui()

        > repo = hg.repository(myui, path='.')

        > commands.update(myui, repo, rev=0)

        > EOF

        $ hg up null

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

        $ python ./update_to_rev0.py

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

        $ hg identify -n

        0

      Poke around at hashes:

        $ hg manifest --debug

        b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 644   a

        $ hg cat a

        a

      Verify should succeed:

        $ hg verify

        checking changesets

        checking manifests

        crosschecking files in changesets and manifests

        checking files

        1 files, 1 changesets, 1 total revisions

      At the end...

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				Create a repository:

				$ hg init t
				$ cd t

				Make a changeset:

				$ echo a > a
				$ hg add a
				$ hg commit -m test

				This command is ancient:

				$ hg history
				changeset: 0:acb14030fe0a
				tag: tip
				user: test
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: test


				Verify that updating to revision 0 via commands.update() works properly

				$ cat <<EOF > update_to_rev0.py
				> from mercurial import ui, hg, commands
				> myui = ui.ui()
				> repo = hg.repository(myui, path='.')
				> commands.update(myui, repo, rev=0)
				> EOF
				$ hg up null
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved
				$ python ./update_to_rev0.py
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ hg identify -n
				0


				Poke around at hashes:

				$ hg manifest --debug
				b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 644 a

				$ hg cat a
				a

				Verify should succeed:

				$ hg verify
				checking changesets
				checking manifests
				crosschecking files in changesets and manifests
				checking files
				1 files, 1 changesets, 1 total revisions

				At the end...