Hello,

This isn't going to work unless the apache user has RWX access to ~/.subversion/ and ~/webapps/(Application Name)/. If you were to give the apache user RWX access to ~/.subversion/ and ~/webapps/(Application Name)/ any files created by the apache user would be owned by the apache user, which won't help one's sanity.

You've two options:

1) Execute your C script from a CGI script, for example:

#!/usr/local/bin/python2.5

import subprocess

proc = subprocess.Popen('/usr/local/bin/svn update ...', shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
proc.wait()

print 'Content-Type: text/plain'
print
print 'stderr: %s' % proc.stderr.read()
print 'stdout: %s' % proc.stdout.read()

If you must use PHP you could even make this CGI script web accessible and wget it from PHP.

2) Install PHP and nginx/LightTPD/whatever so that PHP is executed as your user.

Hope it helps.

dev wrote:

Have you seen: http://forum.webfaction.com/viewtopic.php?pid=216#p216

I want to do almost the same thing except that my c binary will run from a Web form. Since both the svn post-commit hook and the script behind the Web form execute as the Apache user, shouldn't this work?

It should, what's written to stderr and stdout when your program is executed by the apache user? See:

http://www.php.net/manual/en/function.system.php#52770

dev wrote:

In option 1. It looks as if you are executing everything via the Python script. I don't see any call to a C binary there.

You could use Python to execute your C program if you'd like, simply replace:

proc = subprocess.Popen('/usr/local/bin/svn update ...', shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)

With:

proc = subprocess.Popen('XXX', shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)

Where XXX is the path to C program.

In my original example I just eliminated the need for the C program by doing the "svn update ..." in Python.

I've abandoned the update via a web form.

I just want to update my entire working copy stored on the server. My C program is executing, however the 'svn update' itself is failing. I know the C program is executing because I have system('touch someFile') at the start and end of the program.

Is there something wrong server side? I've been trying to get this working for a few weeks now off and on and I'm at the end of my rope!

Here is my C Program which is called by SVN post-commit hook.

#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
        system("touch /home/myUserName/temp/ExecutedSvnCPostCommit-Start");    /// file is sucessfully created
        system("/usr/local/bin/svn update /home/myUserName/webapps/myApp/");     /// this line seems to do nothing!!!
        system("touch /home/myUserName/temp/ExecutedSvnCPostCommit-End");     /// file is successfully created
  return(EXIT_SUCCESS);

}

You made a mistake. "2>&1" must come at the end of the command. I changed the C program so that it now looks like the following:

#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
system("touch /home/myUserName/temp/ExecutedSvnCPostCommit-Start");    /// file is sucessfully created
system("/usr/local/bin/svn update /home/myUserName/webapps/myApp/ > /home/myUserName/temp/post-commit.log 2>&1" );
system("touch /home/myUserName/temp/ExecutedSvnCPostCommit-End");     /// file is successfully created
  return(EXIT_SUCCESS);

}

The file post-commit.log is created and says:
     svn: Can't open file '/home/myUserName/webapps/myApp/.svn/lock': Permission denied


Dev

Last edited by dev (2007-11-08 12:11:38)

This works for me:

<?php
        putenv("HOME=/home/username"); //USERNAME=username does not help, it is HOME that matters.
        passthru("svn up", $ret);
        echo "[$ret]";
?>

Last edited by Simon (2008-10-29 18:30:01)