Mercurial > hgsubversion
annotate tests/fixtures/siblingbranchfix.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 | 41c333473dda |
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1 #!/bin/sh |
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2 |
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3 mkdir temp |
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4 cd temp |
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5 svnadmin create repo |
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6 svn co file://`pwd`/repo wc |
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7 cd wc |
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8 mkdir branches trunk tags |
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9 svn add * |
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10 svn ci -m 'btt' |
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11 cd trunk |
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12 |
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13 echo a > a |
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14 svn add a |
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15 svn ci -m 'Add file.' |
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16 svn up |
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17 |
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18 cd .. |
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19 svn cp trunk wrongbranch |
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20 svn ci -m 'Branch to repo root dir.' |
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21 svn up |
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22 |
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23 svn mv wrongbranch branches/wrongbranch |
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24 svn ci -m 'Move branch to correct branches location' |
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25 svn up |
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26 |
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27 cd ../.. |
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28 svnadmin dump temp/repo > siblingbranchfix.svndump |
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29 echo |
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30 echo 'Complete.' |
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31 echo 'You probably want to clean up temp now.' |
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32 echo 'Dump in siblingbranchfix.svndump' |
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33 exit 0 |