diff --git a/src/IDF/Plugin/SyncGit/Serve.php b/src/IDF/Plugin/SyncGit/Serve.php
index 42ba320..081c391 100644
--- a/src/IDF/Plugin/SyncGit/Serve.php
+++ b/src/IDF/Plugin/SyncGit/Serve.php
@@ -192,7 +192,7 @@ class IDF_Plugin_SyncGit_Serve
     {
         mkdir($fullpath, 0750, true);
         exec(sprintf(Pluf::f('idf_exec_cmd_prefix', '').
-                     'git --git-dir=%s init', escapeshellarg($fullpath)), 
+                     Pluf::f('git_path', 'git').' --git-dir=%s init', escapeshellarg($fullpath)), 
              $out, $res);
         if ($res != 0) {
             throw new Exception(sprintf('Init repository error, exit status %d.', $res));
diff --git a/src/IDF/Plugin/SyncMercurial.php b/src/IDF/Plugin/SyncMercurial.php
index 2bd8a5a..1c37656 100644
--- a/src/IDF/Plugin/SyncMercurial.php
+++ b/src/IDF/Plugin/SyncMercurial.php
@@ -77,7 +77,7 @@ class IDF_Plugin_SyncMercurial
         }
         $return = 0;
         $output = array();
-        $cmd = sprintf('hg init %s', 
+        $cmd = sprintf(Pluf::f('hg_path', 'hg').' init %s', 
                        escapeshellarg($mercurial_path.'/'.$shortname));
         $cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
         $ll = exec($cmd, $output, $return);
diff --git a/src/IDF/Plugin/SyncSvn.php b/src/IDF/Plugin/SyncSvn.php
index aa30bd5..08e8eed 100644
--- a/src/IDF/Plugin/SyncSvn.php
+++ b/src/IDF/Plugin/SyncSvn.php
@@ -77,7 +77,7 @@ class IDF_Plugin_SyncSvn
         }
         $return = 0;
         $output = array();
-        $cmd = sprintf('svnadmin create %s', 
+        $cmd = sprintf(Pluf::f('svnadmin_path', 'svnadmin').' create %s', 
                        escapeshellarg($svn_path.'/'.$shortname));
         $cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
         $ll = exec($cmd, $output, $return);
diff --git a/src/IDF/Scm/Git.php b/src/IDF/Scm/Git.php
index ab1f3c4..33c24d4 100644
--- a/src/IDF/Scm/Git.php
+++ b/src/IDF/Scm/Git.php
@@ -98,7 +98,7 @@ class IDF_Scm_Git
      */
     public function testHash($hash, $dummy=null)
     {
-        $cmd = sprintf('GIT_DIR=%s git cat-file -t %s',
+        $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' cat-file -t %s',
                        escapeshellarg($this->repo),
                        escapeshellarg($hash));
         $ret = 0; $out = array();
@@ -143,7 +143,7 @@ class IDF_Scm_Git
         // get the raw log corresponding to this commit to find the
         // origin of each file.
         $rawlog = array();
-        $cmd = sprintf('GIT_DIR=%s git log --raw --abbrev=40 --pretty=oneline -5000 %s',
+        $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' log --raw --abbrev=40 --pretty=oneline -5000 %s',
                        escapeshellarg($this->repo), escapeshellarg($commit));
         IDF_Scm::exec($cmd, $rawlog);
         // We reverse the log to be able to use a fixed efficient
@@ -182,7 +182,7 @@ class IDF_Scm_Git
         if ('tree' != $this->testHash($tree)) {
             throw new Exception(sprintf(__('Not a valid tree: %s.'), $tree));
         }
-        $cmd_tmpl = 'GIT_DIR=%s git ls-tree%s -t -l %s %s';
+        $cmd_tmpl = 'GIT_DIR=%s '.Pluf::f('git_path', 'git').' ls-tree%s -t -l %s %s';
         $cmd = sprintf($cmd_tmpl, 
                        escapeshellarg($this->repo), 
                        ($recurse) ? ' -r' : '',
@@ -209,7 +209,7 @@ class IDF_Scm_Git
      */
     public function getFileInfo($totest, $commit='HEAD')
     {
-        $cmd_tmpl = 'GIT_DIR=%s git ls-tree -r -t -l %s';
+        $cmd_tmpl = 'GIT_DIR=%s '.Pluf::f('git_path', 'git').' ls-tree -r -t -l %s';
         $cmd = sprintf($cmd_tmpl, 
                        escapeshellarg($this->repo), 
                        escapeshellarg($commit));
@@ -236,7 +236,7 @@ class IDF_Scm_Git
     public function getBlob($request_file_info, $dummy=null)
     {
         return shell_exec(sprintf(Pluf::f('idf_exec_cmd_prefix', '').
-                                  'GIT_DIR=%s git cat-file blob %s',
+                                  'GIT_DIR=%s '.Pluf::f('git_path', 'git').' cat-file blob %s',
                                   escapeshellarg($this->repo), 
                                   escapeshellarg($request_file_info->hash)));
     }
@@ -249,7 +249,7 @@ class IDF_Scm_Git
     public function getBranches()
     {
         $out = array();
-        IDF_Scm::exec(sprintf('GIT_DIR=%s git branch', 
+        IDF_Scm::exec(sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' branch', 
                               escapeshellarg($this->repo)), $out);
         $res = array();
         foreach ($out as $b) {
@@ -268,12 +268,12 @@ class IDF_Scm_Git
     public function getCommit($commit='HEAD', $getdiff=false)
     {
         if ($getdiff) {
-            $cmd = sprintf('GIT_DIR=%s git show --date=iso --pretty=format:%s %s',
+            $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' show --date=iso --pretty=format:%s %s',
                            escapeshellarg($this->repo), 
                            "'".$this->mediumtree_fmt."'", 
                            escapeshellarg($commit));
         } else {
-            $cmd = sprintf('GIT_DIR=%s git log -1 --date=iso --pretty=format:%s %s',
+            $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' log -1 --date=iso --pretty=format:%s %s',
                            escapeshellarg($this->repo), 
                            "'".$this->mediumtree_fmt."'", 
                            escapeshellarg($commit));
@@ -306,7 +306,7 @@ class IDF_Scm_Git
      */
     public function isCommitLarge($commit='HEAD')
     {
-        $cmd = sprintf('GIT_DIR=%s git log --numstat -1 --pretty=format:%s %s',
+        $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' log --numstat -1 --pretty=format:%s %s',
                        escapeshellarg($this->repo), 
                        "'commit %H%n'", 
                        escapeshellarg($commit));
@@ -339,7 +339,7 @@ class IDF_Scm_Git
     {
         if ($n === null) $n = '';
         else $n = ' -'.$n;
-        $cmd = sprintf('GIT_DIR=%s git log%s --date=iso --pretty=format:\'%s\' %s',
+        $cmd = sprintf('GIT_DIR=%s '.Pluf::f('git_path', 'git').' log%s --date=iso --pretty=format:\'%s\' %s',
                        escapeshellarg($this->repo), $n, $this->mediumtree_fmt, 
                        escapeshellarg($commit));
         $out = array();
@@ -412,7 +412,7 @@ class IDF_Scm_Git
     public function getArchiveCommand($commit, $prefix='git-repo-dump/')
     {
         return sprintf(Pluf::f('idf_exec_cmd_prefix', '').
-                       'GIT_DIR=%s git archive --format=zip --prefix=%s %s',
+                       'GIT_DIR=%s '.Pluf::f('git_path', 'git').' archive --format=zip --prefix=%s %s',
                        escapeshellarg($this->repo),
                        escapeshellarg($prefix),
                        escapeshellarg($commit));
diff --git a/src/IDF/Scm/Mercurial.php b/src/IDF/Scm/Mercurial.php
index 5d79a5d..ffe4b2d 100644
--- a/src/IDF/Scm/Mercurial.php
+++ b/src/IDF/Scm/Mercurial.php
@@ -85,7 +85,7 @@ class IDF_Scm_Mercurial
      */
     public function testHash($hash, $dummy=null)
     {
-        $cmd = sprintf('hg log -R %s -r %s',
+        $cmd = sprintf(Pluf::f('hg_path', 'hg').' log -R %s -r %s',
                        escapeshellarg($this->repo),
                        escapeshellarg($hash));
         $ret = 0; 
@@ -139,7 +139,7 @@ class IDF_Scm_Mercurial
         if ('commit' != $this->testHash($tree)) {
             throw new Exception(sprintf(__('Not a valid tree: %s.'), $tree));
         }
-        $cmd_tmpl = 'hg manifest -R %s --debug -r %s';
+        $cmd_tmpl = Pluf::f('hg_path', 'hg').' manifest -R %s --debug -r %s';
         $cmd = sprintf($cmd_tmpl, escapeshellarg($this->repo), $tree, ($recurse) ? '' : ''); 
         $out = array();
         $res = array();
@@ -195,7 +195,7 @@ class IDF_Scm_Mercurial
      */
     public function getFileInfo($totest, $commit='tip')
     {
-        $cmd_tmpl = 'hg manifest -R %s --debug -r %s';
+        $cmd_tmpl = Pluf::f('hg_path', 'hg').' manifest -R %s --debug -r %s';
         $cmd = sprintf($cmd_tmpl, escapeshellarg($this->repo), $commit); 
         $out = array();
         $res = array();
@@ -248,7 +248,7 @@ class IDF_Scm_Mercurial
      */
     public function getBlob($request_file_info, $dummy=null)
     {
-        return IDF_Scm::shell_exec(sprintf('hg cat -R %s -r %s %s',
+        return IDF_Scm::shell_exec(sprintf(Pluf::f('hg_path', 'hg').' cat -R %s -r %s %s',
                                            escapeshellarg($this->repo), 
                                            $dummy,
                                            escapeshellarg($this->repo . '/' . $request_file_info->file)));
@@ -262,7 +262,7 @@ class IDF_Scm_Mercurial
     public function getBranches()
     {
         $out = array();
-        IDF_Scm::exec(sprintf('hg branches -R %s', 
+        IDF_Scm::exec(sprintf(Pluf::f('hg_path', 'hg').' branches -R %s', 
                               escapeshellarg($this->repo)), $out);
         $res = array();
         foreach ($out as $b) {
@@ -282,7 +282,7 @@ class IDF_Scm_Mercurial
     public function getCommit($commit='tip', $getdiff=false)
     {
         $tmpl = ($getdiff) ? 
-            'hg log -p -r %s -R %s' : 'hg log -r %s -R %s';
+            Pluf::f('hg_path', 'hg').' log -p -r %s -R %s' : Pluf::f('hg_path', 'hg').' log -r %s -R %s';
         $cmd = sprintf($tmpl, 
                        escapeshellarg($commit), escapeshellarg($this->repo));
         $out = array();
@@ -325,7 +325,7 @@ class IDF_Scm_Mercurial
      */
     public function getChangeLog($commit='tip', $n=10)
     {
-        $cmd = sprintf('hg log -R %s -l%s ', escapeshellarg($this->repo), $n, $commit);
+        $cmd = sprintf(Pluf::f('hg_path', 'hg').' log -R %s -l%s ', escapeshellarg($this->repo), $n, $commit);
         $out = array();
         IDF_Scm::exec($cmd, $out);
         return self::parseLog($out, 6);
@@ -399,7 +399,7 @@ class IDF_Scm_Mercurial
     public function getArchiveCommand($commit, $prefix='')
     {
         return sprintf(Pluf::f('idf_exec_cmd_prefix', '').
-                       'hg archive --type=zip -R %s -r %s -',
+                       Pluf::f('hg_path', 'hg').' archive --type=zip -R %s -r %s -',
                        escapeshellarg($this->repo),
                        escapeshellarg($commit));
     }
diff --git a/src/IDF/Scm/Svn.php b/src/IDF/Scm/Svn.php
index e2f7a61..b98437f 100644
--- a/src/IDF/Scm/Svn.php
+++ b/src/IDF/Scm/Svn.php
@@ -108,7 +108,7 @@ class IDF_Scm_Svn
         }
 
         // Else, test the path on revision
-        $cmd = sprintf('svn info --xml --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' info --xml --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo.'/'.$path),
@@ -146,7 +146,7 @@ class IDF_Scm_Svn
      */
     public function filesAtCommit($rev='HEAD', $folder='')
     {
-        $cmd = sprintf('svn ls --xml --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' ls --xml --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo.'/'.$folder),
@@ -190,7 +190,7 @@ class IDF_Scm_Svn
      */
     private function getCommitMessage($file, $rev='HEAD')
     {
-        $cmd = sprintf('svn log --xml --limit 1 --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' log --xml --limit 1 --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($file),
@@ -210,7 +210,7 @@ class IDF_Scm_Svn
      */
     public function getFileInfo($totest, $rev='HEAD')
     {
-        $cmd = sprintf('svn info --xml --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' info --xml --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo.'/'.$totest),
@@ -242,7 +242,7 @@ class IDF_Scm_Svn
      */
     public function getBlob($request_file_info, $rev)
     {
-        $cmd = sprintf('svn cat --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' cat --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo.'/'.$request_file_info->fullpath),
@@ -273,7 +273,7 @@ class IDF_Scm_Svn
     public function getCommit($rev='HEAD', $getdiff=false)
     {
         $res = array();
-        $cmd = sprintf('svn log --xml -v --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' log --xml -v --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo),
@@ -303,7 +303,7 @@ class IDF_Scm_Svn
         // We have a locally hosted repository, we can query it with
         // svnlook
         $repo = substr($this->repo, 7);
-        $cmd = sprintf('svnlook changed -r %s %s',
+        $cmd = sprintf(Pluf::f('svnlook_path', 'svnlook').' changed -r %s %s',
                        escapeshellarg($commit),
                        escapeshellarg($repo));
         $out = IDF_Scm::shell_exec($cmd);
@@ -314,7 +314,7 @@ class IDF_Scm_Svn
     private function getDiff($rev='HEAD')
     {
         $res = array();
-        $cmd = sprintf('svn diff -c %s --username=%s --password=%s %s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' diff -c %s --username=%s --password=%s %s',
                        escapeshellarg($rev),
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
@@ -334,7 +334,7 @@ class IDF_Scm_Svn
     public function getChangeLog($rev='HEAD', $n=10)
     {
         $res = array();
-        $cmd = sprintf('svn log --xml -v --limit %s --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' log --xml -v --limit %s --username=%s --password=%s %s@%s',
                        escapeshellarg($n),
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
@@ -383,7 +383,7 @@ class IDF_Scm_Svn
     public function getProperties($rev, $path='')
     {
         $res = array();
-        $cmd = sprintf('svn proplist --xml --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' proplist --xml --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo.'/'.$path),
@@ -417,7 +417,7 @@ class IDF_Scm_Svn
     private function getProperty($property, $rev, $path='')
     {
         $res = array();
-        $cmd = sprintf('svn propget --xml %s --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' propget --xml %s --username=%s --password=%s %s@%s',
                        escapeshellarg($property),
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
@@ -440,7 +440,7 @@ class IDF_Scm_Svn
     public function getLastCommit($rev='HEAD')
     {
         $xmlInfo = '';
-        $cmd = sprintf('svn info --xml --username=%s --password=%s %s@%s',
+        $cmd = sprintf(Pluf::f('svn_path', 'svn').' info --xml --username=%s --password=%s %s@%s',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
                        escapeshellarg($this->repo),
diff --git a/src/IDF/conf/idf.php-dist b/src/IDF/conf/idf.php-dist
index f9bb11d..416fdd8 100644
--- a/src/IDF/conf/idf.php-dist
+++ b/src/IDF/conf/idf.php-dist
@@ -215,4 +215,16 @@ $cfg['allowed_scm'] = array('git' => 'IDF_Scm_Git',
 # variables not being set correctly. Note the trailing space.
 # $cfg['idf_exec_cmd_prefix'] = '/usr/bin/env -i ';
 
+# Path to the SCM binaries. These binaries are not necessarily in
+# the path of your webserver or fastcgi process. In that case you
+# may need to set the path manually here. This is the case with OSX.
+# To know which path you need to provide, just run:
+# $ which git
+# from the command line. This will give you the path to git.
+# $cfg['svn_path'] = 'svn'; 
+# $cfg['svnlook_path'] = 'svnlook'; 
+# $cfg['svnadmin_path'] = 'svnadmin';
+# $cfg['hg_path'] = 'hg';
+# $cfg['git_path'] = 'git'; 
+
 return $cfg;