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annotate tests/test-permissions @ 2577:fa76c5d609c9

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bdiff: improve worst case behavior by 100x. on 5.8MB (244.000 lines) text file with similar lines, hash before this change made diff against empty file take 75 seconds. this change improves performance to 0.6 seconds. result is that clone of smallish repo (137MB) with some files like this takes 1 minute instead of 10 minutes. common case of diff is 10% slower now, probably because of worse cache locality. but diff does not affect overall performance in common case (less than 1% of runtime is in diff when it is working ok), so this tradeoff looks good.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Fri, 07 Jul 2006 15:02:55 -0700
parents b72562060e45
children c0b449154a90
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/sh
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2
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3 hg init
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4 echo foo > a
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5 hg add a
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7544700fd931 Use 'hg ci -d "1000000 0"' in tests to circumvent problem with leading zero.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1497
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6 hg commit -m "1" -d "1000000 0"
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7 hg verify
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Matt Mackall <mpm@selenic.com>
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8 chmod -r .hg/data/a.i
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9 hg verify 2>/dev/null || echo verify failed
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10 chmod +r .hg/data/a.i
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11 hg verify 2>/dev/null || echo verify failed
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Matt Mackall <mpm@selenic.com>
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12 chmod -w .hg/data/a.i
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13 echo barber > a
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7544700fd931 Use 'hg ci -d "1000000 0"' in tests to circumvent problem with leading zero.
Thomas Arendsen Hein <thomas@intevation.de>
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14 hg commit -m "2" -d "1000000 0" 2>/dev/null || echo commit failed
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15