Mercurial > hgsubversion
annotate tests/fixtures/emptyrepo.sh @ 889:7a98fbadcae9
revsets: huge speedups for fromsvn and svnrev
I have a hgsubversion repo that contains over 300,000 commits.
In that repo, this patch improves performance as follows:
hg --time log -r 'first(fromsvn())'
Before: 40.3 sec
After: 0.8 sec
hg --time log -r 'svnrev(350000)'
Before: 40.3 sec
After: 0.1 sec
Note: the performance of these revset implementations is very sensitive
to doing as little work as possible per line of the rev_map file.
I originally attempted to hide the file format details by hoisting the
parsing of each line up into RevMap.readmapfile, but the current less
abstract code is dramatically (10x or more) faster.
If the revmap file is missing, we error out and print a message
describing what to do.
author | Bryan O'Sullivan <bryano@fb.com> |
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date | Sat, 12 May 2012 05:38:34 -0700 |
parents | 6c9b7cf1c5aa |
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push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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1 #!/bin/sh |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
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2 # |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
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3 # Generate renames.svndump |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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4 # |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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5 |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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6 mkdir temp |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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7 cd temp |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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8 |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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9 mkdir project-orig |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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10 cd project-orig |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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11 mkdir trunk |
6c9b7cf1c5aa
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Patrick Mezard <pmezard@gmail.com>
parents:
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12 mkdir branches |
6c9b7cf1c5aa
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Patrick Mezard <pmezard@gmail.com>
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13 cd .. |
6c9b7cf1c5aa
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Patrick Mezard <pmezard@gmail.com>
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14 |
6c9b7cf1c5aa
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Patrick Mezard <pmezard@gmail.com>
parents:
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15 svnadmin create testrepo |
6c9b7cf1c5aa
push_cmd: delete empty svn directories, refactor directory creation
Patrick Mezard <pmezard@gmail.com>
parents:
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16 svnurl=file://`pwd`/testrepo |
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Patrick Mezard <pmezard@gmail.com>
parents:
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17 svn import project-orig $svnurl -m "init project" |
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Patrick Mezard <pmezard@gmail.com>
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18 |
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Patrick Mezard <pmezard@gmail.com>
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19 svn co $svnurl project |
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Patrick Mezard <pmezard@gmail.com>
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20 cd project/trunk |
6c9b7cf1c5aa
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Patrick Mezard <pmezard@gmail.com>
parents:
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21 # Create and remove a file, hgsubversion does not like |
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Patrick Mezard <pmezard@gmail.com>
parents:
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22 # empty repositories |
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Patrick Mezard <pmezard@gmail.com>
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23 echo a > a |
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Patrick Mezard <pmezard@gmail.com>
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24 svn add a |
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Patrick Mezard <pmezard@gmail.com>
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25 svn ci -m "add a" |
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Patrick Mezard <pmezard@gmail.com>
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26 svn rm a |
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Patrick Mezard <pmezard@gmail.com>
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27 svn ci -m "remove a" |
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Patrick Mezard <pmezard@gmail.com>
parents:
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28 cd ../.. |
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Patrick Mezard <pmezard@gmail.com>
parents:
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29 |
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30 svnadmin dump testrepo > ../emptyrepo.svndump |