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| Email from Jamie Rollins about populating an SVN archive, while preserving file time stamps: | SVN! aka, Subversion! |
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| {{{ ################################################## Recipe to populate empty SVN repository with files, preserving ctime stamps: |
We are in the process of installing the 40m directory tree into SVN version control. |
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| 1. create an empty repository: | == Using SVN in the control room == It is a secret. Use the method below even from the control room computers. |
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| /path/to/repo $ svnadmin create foo | == Getting files from off-site == |
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| 2. add an "unrestricted" pre-revprop-change script to the repository hooks directory [0]: |
There are two methods. Use the first method whenever possible. |
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| /path/to/repo $ cat > foo/hooks/pre-revprop-change #!/bin/sh REPOS="$1" REV="$2" USER="$3" PROPNAME="$4" ACTION="$5" /path/to/repo $ chmod 755 foo/hooks/pre-revprop-change |
Checking out trunk/chans directory |
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| This allows the script to change the "Last Changed" times of the files to match the ctimes. |
{{{ svn co --username svn40m https://nodus.ligo.caltech.edu:30889/svn/trunk/chans}}} |
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| 3. check out a working copy of the repository: | The password is written in the standard place. |
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| /path/to/wc $ svn checkout file:///path/to/repo/foo | Alternative way: |
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| 4. add the files to the working copy, preserving their ctime stamps: /path/to/wc $ cd foo /path/to/wc/foo $ cp -a /path/to/oldfiles/ . 5. run the included script [1] in the working copy root: /path/to/wc/foo $ svn_ctime_checkin This will add all the files in the working copy to the repository, and change the SVN "Last Changed" timestamp for every file and directory to be that of the filesystem ctimes. 6. On every system where you want to checkout a working copy of the repository, uncomment or add the following line to the SVN client-side config file [2]: ~ $ cat >> ~/.subversion/config use-commit-times = yes ~ $ This will tell the SVN client to set file ctimes to be the "Last Changed" time on checkout/update/etc. 7. Finally, checkout your working copy of the repository, and note that the original file ctimes are preserved. A. You might now want to go back and remove the unrestricted pre-revprop-change script, so that users can't change file properties in the future: ~ $ rm /path/to/repo/foo/hooks/pre-revprop-change Here is the test that I ran that demonstrates that it works: servo:/tmp/cdtemp.sf7635 0$ ls svn_ctime_checkin servo:/tmp/cdtemp.sf7635 0$ svnadmin create foo servo:/tmp/cdtemp.sf7635 0$ cat > foo/hooks/pre-revprop-change #!/bin/sh REPOS="$1" REV="$2" USER="$3" PROPNAME="$4" ACTION="$5" servo:/tmp/cdtemp.sf7635 0$ chmod 755 foo/hooks/pre-revprop-change servo:/tmp/cdtemp.sf7635 0$ svn checkout file:///tmp/cdtemp.sf7635/foo bar Checked out revision 0. servo:/tmp/cdtemp.sf7635 0$ cd bar servo:/tmp/cdtemp.sf7635/bar 0$ cp -a ~/matlab/bin/chaos.m . servo:/tmp/cdtemp.sf7635/bar 0$ ls -l total 4 -rw-r--r-- 1 jrollins jrollins 248 2005-09-10 16:58 chaos.m servo:/tmp/cdtemp.sf7635 0$ date +"%Y-%m-%d" 2008-02-12 servo:/tmp/cdtemp.sf7635/bar 0$ ../svn_ctime_checkin svn propset svn:date 2005-09-10T20:58:09.000000Z --revprop -r HEAD property 'svn:date' set on repository revision 0 A chaos.m Adding chaos.m Transmitting file data . Committed revision 1. property 'svn:date' set on repository revision 1 ready servo:/tmp/cdtemp.sf7635/bar 0$ ls -l total 4 -rw-r--r-- 1 jrollins jrollins 248 2005-09-10 16:58 chaos.m servo:/tmp/cdtemp.sf7635/bar 0$ cd .. servo:/tmp/cdtemp.sf7635 0$ grep use-commit-times ~/.subversion/config ### Set use-commit-times to make checkout/update/switch/revert use-commit-times = yes servo:/tmp/cdtemp.sf7635 0$ svn checkout file:///tmp/cdtemp.sf7635/foo qux A qux/chaos.m Checked out revision 1. servo:/tmp/cdtemp.sf7635 0$ ls -l qux/ total 4 -rw-r--r-- 1 jrollins jrollins 248 2005-09-10 16:58 chaos.m servo:/tmp/cdtemp.sf7635 0$ [0] http://svnbook.red-bean.com/en/1.4/svn.ref.reposhooks.pre-revprop-change.html [1] http://svn.haxx.se/users/archive-2006-10/1345.shtml [2] http://svnbook.red-bean.com/en/1.4/svn.advanced.confarea.html#svn.advanced.confarea.opts.config }}} |
{{{svn co svn+ssh://controls@nodus.ligo.caltech.edu/cvs/cds/caltech/svn/trunk/chans}}} |
SVN! aka, Subversion!
We are in the process of installing the 40m directory tree into SVN version control.
Using SVN in the control room
It is a secret. Use the method below even from the control room computers.
Getting files from off-site
There are two methods. Use the first method whenever possible.
Checking out trunk/chans directory
svn co --username svn40m https://nodus.ligo.caltech.edu:30889/svn/trunk/chans
The password is written in the standard place.
Alternative way:
svn co svn+ssh://controls@nodus.ligo.caltech.edu/cvs/cds/caltech/svn/trunk/chans