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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)

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        Adrian Buehlmann
    
tests: unify test-diff-reverse

              r12139
            
        $ hg init

        $ cat > a <<EOF

        > a

        > b

        > c

        > EOF

        $ hg ci -Am adda

        adding a

        $ cat > a <<EOF

        > d

        > e

        > f

        > EOF

        $ hg ci -m moda

        $ hg diff --reverse -r0 -r1

        diff -r 2855cdcfcbb7 -r 8e1805a3cf6e a

        --- a/a	Thu Jan 01 00:00:00 1970 +0000

        +++ b/a	Thu Jan 01 00:00:00 1970 +0000

        @@ -1,3 +1,3 @@

        -d

        -e

        -f

        +a

        +b

        +c

        $ cat >> a <<EOF

        > g

        > h

        > EOF

        $ hg diff --reverse --nodates

        diff -r 2855cdcfcbb7 a

        --- a/a

        +++ b/a

        @@ -1,5 +1,3 @@

         d

         e

         f

        -g

        -h

        Martin von Zweigbergk
    
context.status: remove incorrect swapping of added/removed in workingctx...

              r23080
            
      should show removed file 'a' as being added

        $ hg revert a

        $ hg rm a

        $ hg diff --reverse --nodates a

        diff -r 2855cdcfcbb7 a

        --- /dev/null

        +++ b/a

        @@ -0,0 +1,3 @@

        +d

        +e

        +f

      should show added file 'b' as being removed

        $ echo b >> b

        $ hg add b

        $ hg diff --reverse --nodates b

        diff -r 2855cdcfcbb7 b

        --- a/b

        +++ /dev/null

        @@ -1,1 +0,0 @@

        -b

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Adrian Buehlmann tests: unify test-diff-reverse	r12139	$ hg init

		$ cat > a <<EOF
		> a
		> b
		> c
		> EOF
		$ hg ci -Am adda
		adding a

		$ cat > a <<EOF
		> d
		> e
		> f
		> EOF
		$ hg ci -m moda

		$ hg diff --reverse -r0 -r1
		diff -r 2855cdcfcbb7 -r 8e1805a3cf6e a
		--- a/a Thu Jan 01 00:00:00 1970 +0000
		+++ b/a Thu Jan 01 00:00:00 1970 +0000
		@@ -1,3 +1,3 @@
		-d
		-e
		-f
		+a
		+b
		+c

		$ cat >> a <<EOF
		> g
		> h
		> EOF
		$ hg diff --reverse --nodates
		diff -r 2855cdcfcbb7 a
		--- a/a
		+++ b/a
		@@ -1,5 +1,3 @@
		d
		e
		f
		-g
		-h

Martin von Zweigbergk context.status: remove incorrect swapping of added/removed in workingctx...	r23080	should show removed file 'a' as being added
		$ hg revert a
		$ hg rm a
		$ hg diff --reverse --nodates a
		diff -r 2855cdcfcbb7 a
		--- /dev/null
		+++ b/a
		@@ -0,0 +1,3 @@
		+d
		+e
		+f

		should show added file 'b' as being removed
		$ echo b >> b
		$ hg add b
		$ hg diff --reverse --nodates b
		diff -r 2855cdcfcbb7 b
		--- a/b
		+++ /dev/null
		@@ -1,1 +0,0 @@
		-b