upstream/mercurial-mirror Files · tests/test-merge6.t

revisionbranchcache: fall back to slow path if starting readonly (issue4531)...

revisionbranchcache: fall back to slow path if starting readonly (issue4531) Transitioning to Mercurial versions with revision branch cache could be slow as long as all operations were readonly (revset queries) and the cache would be populated but not written back. Instead, fall back to using the consistently slow path when readonly and the cache doesn't exist yet. That avoids the overhead of populating the cache without writing it back. If not readonly, it will still populate all missing entries initially. That avoids repeated writing of the cache file with small updates, and it also makes sure a fully populated cache available for the readonly operations.

Mads Kiilerich - - Load All Authors

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r16913:f2719b38 default


                r24159:5b4ed033

3.3.1 stable

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             test-merge6.t
        
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        $ cat <<EOF > merge

        > import sys, os

        > print "merging for", os.path.basename(sys.argv[1])

        > EOF

        $ HGMERGE="python ../merge"; export HGMERGE

        $ hg init A1

        $ cd A1

        $ echo This is file foo1 > foo

        $ echo This is file bar1 > bar

        $ hg add foo bar

        $ hg commit -m "commit text"

        $ cd ..

        $ hg clone A1 B1

        updating to branch default

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

        $ cd A1

        $ rm bar

        $ hg remove bar

        $ hg commit -m "commit test"

        $ cd ../B1

        $ echo This is file foo22 > foo

        $ hg commit -m "commit test"

        $ cd ..

        $ hg clone A1 A2

        updating to branch default

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

        $ hg clone B1 B2

        updating to branch default

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

        $ cd A1

        $ hg pull ../B1

        pulling from ../B1

        searching for changes

        adding changesets

        adding manifests

        adding file changes

        added 1 changesets with 1 changes to 1 files (+1 heads)

        (run 'hg heads' to see heads, 'hg merge' to merge)

        $ hg merge

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

        (branch merge, don't forget to commit)

        $ hg commit -m "commit test"

      bar should remain deleted.

        $ hg manifest --debug

        f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644   foo

        $ cd ../B2

        $ hg pull ../A2

        pulling from ../A2

        searching for changes

        adding changesets

        adding manifests

        adding file changes

        added 1 changesets with 0 changes to 0 files (+1 heads)

        (run 'hg heads' to see heads, 'hg merge' to merge)

        $ hg merge

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

        (branch merge, don't forget to commit)

        $ hg commit -m "commit test"

      bar should remain deleted.

        $ hg manifest --debug

        f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644   foo

        $ cd ..

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				$ cat <<EOF > merge
				> import sys, os
				> print "merging for", os.path.basename(sys.argv[1])
				> EOF
				$ HGMERGE="python ../merge"; export HGMERGE

				$ hg init A1
				$ cd A1
				$ echo This is file foo1 > foo
				$ echo This is file bar1 > bar
				$ hg add foo bar
				$ hg commit -m "commit text"

				$ cd ..
				$ hg clone A1 B1
				updating to branch default
				2 files updated, 0 files merged, 0 files removed, 0 files unresolved

				$ cd A1
				$ rm bar
				$ hg remove bar
				$ hg commit -m "commit test"

				$ cd ../B1
				$ echo This is file foo22 > foo
				$ hg commit -m "commit test"

				$ cd ..
				$ hg clone A1 A2
				updating to branch default
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ hg clone B1 B2
				updating to branch default
				2 files updated, 0 files merged, 0 files removed, 0 files unresolved

				$ cd A1
				$ hg pull ../B1
				pulling from ../B1
				searching for changes
				adding changesets
				adding manifests
				adding file changes
				added 1 changesets with 1 changes to 1 files (+1 heads)
				(run 'hg heads' to see heads, 'hg merge' to merge)
				$ hg merge
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				(branch merge, don't forget to commit)
				$ hg commit -m "commit test"
				bar should remain deleted.
				$ hg manifest --debug
				f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644 foo

				$ cd ../B2
				$ hg pull ../A2
				pulling from ../A2
				searching for changes
				adding changesets
				adding manifests
				adding file changes
				added 1 changesets with 0 changes to 0 files (+1 heads)
				(run 'hg heads' to see heads, 'hg merge' to merge)
				$ hg merge
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved
				(branch merge, don't forget to commit)
				$ hg commit -m "commit test"
				bar should remain deleted.
				$ hg manifest --debug
				f9b0e817f6a48de3564c6b2957687c5e7297c5a0 644 foo

				$ cd ..