Running SVN commands from PHP using exec, shell_exec, or system

Question

I have a very simple piece of code which should theoretically get me a svn list from php

<?php
print_r("Method 1<br/>");
$x = exec("/usr/bin/svn list svn+ssh://svn.server.com/path/to/trunk/ 2>&1", $o, $m);
print_r($o);

print_r("<br/><br/><br/>");

print_r("Method 2<br/>");
$x = exec("/usr/bin/svn list --username user --password pass svn+ssh://svn.server.com/path/to/trunk/ 2>&1", $o, $m);
print_r($o);
?>

Both these methods return following errors

Method 1
Array ( [0] => svn: warning: Can't open file '/root/.subversion/servers': Permission denied [1] => No protocol specified [2] => [3] => (gnome-ssh-askpass:6062): Gtk-WARNING **: cannot open display: :0.0 [4] => svn: To better debug SSH connection problems, remove the -q option from 'ssh' in the [tunnels] section of your Subversion configuration file. [5] => svn: Network connection closed unexpectedly ) 


Method 2
Array ( [0] => svn: warning: Can't open file '/root/.subversion/servers': Permission denied [1] => No protocol specified [2] => [3] => (gnome-ssh-askpass:6062): Gtk-WARNING **: cannot open display: :0.0 [4] => svn: To better debug SSH connection problems, remove the -q option from 'ssh' in the [tunnels] section of your Subversion configuration file. [5] => svn: Network connection closed unexpectedly [6] => svn: warning: Can't open file '/root/.subversion/servers': Permission denied [7] => No protocol specified [8] => [9] => (gnome-ssh-askpass:6066): Gtk-WARNING **: cannot open display: :0.0 [10] => svn: To better debug SSH connection problems, remove the -q option from 'ssh' in the [tunnels] section of your Subversion configuration file. [11] => svn: Network connection closed unexpectedly )

I am able to run either of the svn commands from command line just fine, I also have ssh-key based authentication setup to talk to the svn.server.com

All I want to do is get a list of folders from the trunk. our svn is only setup for svn+ssh access.

Any ideas?

I have a feeling that the php script executes the svn command as the user 'apache', who, I think does not have privilege to access the file /root/.subversion/servers. To verify my point you could test "whoami" command to check the user. — PCoder
– PCoder, Commented Aug 20, 2012 at 15:56
Though your way is simple, why not use PHP's svn functions? You could get the list with print_r(svn_ls('svn+ssh://svn.server.com/path/to/trunk/')) — newfurniturey
– newfurniturey, Commented Aug 20, 2012 at 16:20
@CoderaPurpa I think you're right, any suggestions on how I can get around that? I tried setting /root/.subversion/servers to chmod 777, but not difference. — Nertim
– Nertim, Commented Aug 20, 2012 at 20:04
@newfurniturey, I need to install svn extension through pear. Let me do that and I will certainly get back to you. — Nertim
– Nertim, Commented Aug 20, 2012 at 20:06

Community · Accepted Answer · 2017-05-23 10:25:15Z

1

Your answer is here:

Calling an svn update from a php script via a browser is not working

run a chmod 777 on .svn directory
run an svn update via command line
call script

edited May 23, 2017 at 10:25

CommunityBot

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answered Jul 24, 2013 at 10:07

Krishan Gopal

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