40m svn repository web browser, set up by Phil Ehrens: [https://40m.ligo.caltech.edu/svn/40m/]

Email from Jamie Rollins about populating an SVN archive, while preserving file time stamps:

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Recipe to populate empty SVN repository with files, preserving ctime
stamps:

1. create an empty repository:

/path/to/repo $ svnadmin create foo

2. add an "unrestricted" pre-revprop-change script to the repository
hooks directory [0]:

/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

This allows the script to change the "Last Changed" times of the files
to match the ctimes.

3. check out a working copy of the repository:

/path/to/wc $ svn checkout file:///path/to/repo/foo

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