tests/test-diff-hashes.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Fri, 15 Mar 2024 01:31:57 +0100
branchstable
changeset 51505 c9ceb4f60256
parent 41784 251332dbf33d
permissions -rw-r--r--
phases: avoid N² behavior in `advanceboundary` We allowed duplicated entries in the deque, which each entry could potentially insert all its ancestors. So advancing boundary for the full repository would mean each revision would walk all its ancestors, resulting in O(N²) iteration. For repository of any decent size, N² is quickly insane. We introduce a simple set to avoid this and get back to reasonable performance.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ hg init a
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  $ cd a
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  $ hg diff inexistent1 inexistent2
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  inexistent1: * (glob)
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  inexistent2: * (glob)
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  $ echo bar > foo
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  $ hg add foo
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  $ hg ci -m 'add foo'
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  $ echo foobar > foo
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  $ hg ci -m 'change foo'
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  $ hg --quiet diff -r 0 -r 1
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  diff -r a99fb63adac3 -r 9b8568d3af2f foo
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  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,1 +1,1 @@
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  -bar
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  +foobar
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  $ hg diff -r 0 -r 1
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  diff -r a99fb63adac3 -r 9b8568d3af2f foo
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  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,1 +1,1 @@
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  -bar
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  +foobar
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  $ hg --verbose diff -r 0 -r 1
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  diff -r a99fb63adac3 -r 9b8568d3af2f foo
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  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,1 +1,1 @@
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  -bar
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  +foobar
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  $ hg --debug diff -r 0 -r 1
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  diff -r a99fb63adac3f31816a22f665bc3b7a7655b30f4 -r 9b8568d3af2f1749445eef03aede868a6f39f210 foo
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  --- a/foo	Thu Jan 01 00:00:00 1970 +0000
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  +++ b/foo	Thu Jan 01 00:00:00 1970 +0000
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  @@ -1,1 +1,1 @@
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  -bar
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  +foobar
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  $ cd ..