Mercurial > hg
annotate README @ 28008:86c4cbdaffee
revset: use manifest.matches in _follow revset
The old _follow revset iterated over every file in the commit and checked if it
matched. For repos with large manifests, this could take 500ms. By switching to
use manifest.matches() we can take advantage of the fastpaths built in to
manifest.py that allows iterating over only the files in the matcher when it's a
simple matcher. This brings the time spent down from 500ms to 0ms during simple
operations like 'hg log -f file.txt'.
author | Durham Goode <durham@fb.com> |
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date | Fri, 05 Feb 2016 13:30:25 -0800 |
parents | 4b0fc75f9403 |
children | 76b171209151 |
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1 Mercurial |
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2 ========= |
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3 |
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4 Mercurial is a fast, easy to use, distributed revision control tool |
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5 for software developers. |
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6 |
3935 | 7 Basic install: |
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3935 | 9 $ make # see install targets |
10 $ make install # do a system-wide install | |
11 $ hg debuginstall # sanity-check setup | |
12 $ hg # see help | |
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14 Running without installing: |
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15 |
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16 $ make local # build for inplace usage |
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17 $ ./hg --version # should show the latest version |
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18 |
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19 See https://mercurial-scm.org/ for detailed installation |
3935 | 20 instructions, platform-specific notes, and Mercurial user information. |