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smartset: use native set operations as fast paths...

smartset: use native set operations as fast paths For set operations like "&" and "-", where we know both basesets have their sets ready, and the first set is sorted, use the native Python set operations as a fast path. Note: "+" is not optimized as that will break the ordering. This leads to noticeable improvements on performance: revset | before | after | delta ---------------------------------------------------------------- draft() & draft() & draft() & draft() | 776 | 477 | -39% draft() + draft() + draft() + draft() | 2849 | 2864 | draft() - draft() + draft() - draft() | 943 | 240 | -75% draft() - draft() - draft() - draft() | 557 | 197 | -64% (time measured in microseconds)

Pierre-Yves David - - 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

        $ rm b

        $ hg update -c 2

        abort: uncommitted changes

        [255]

        $ hg revert b

        $ hg update -c 2

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

        $ mv a c

      Should abort:

        $ hg update 1

        abort: uncommitted changes

        (commit or update --clean to discard changes)

        [255]

        $ mv c a

      Should succeed:

        $ hg update 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
				$ rm b
				$ hg update -c 2
				abort: uncommitted changes
				[255]
				$ hg revert b
				$ hg update -c 2
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved
				$ mv a c

				Should abort:

				$ hg update 1
				abort: uncommitted changes
				(commit or update --clean to discard changes)
				[255]
				$ mv c a

				Should succeed:

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