feat(ssh-wrapper): added pre/post pull hooks on top of git for ssh backend.

- this makes it consistent with the http backend and actually adds audit logging into the ssh pulls for git

rhodecode/apps/ssh_support/lib/backends/base.py

@@ -118,6 +118,7 b' class VcsServer(object):'
         if extras:
             scm_data.update(extras)
         os.putenv("RC_SCM_DATA", json.dumps(scm_data))
+        return scm_data
 
     def get_root_store(self):
         root_store = self.store

rhodecode/apps/ssh_support/lib/backends/git.py

@@ -16,10 +16,11 b''
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
-import os
 import sys
 import logging
+import subprocess
 
+from vcsserver import hooks
 from .base import VcsServer
 
 log = logging.getLogger(__name__)
@@ -50,9 +51,22 b' class GitTunnelWrapper(object):'
         if exit_code:
             return exit_code
 
-        self.server.update_environment(action=action, extras=extras)
+        scm_extras = self.server.update_environment(action=action, extras=extras)
+
+        hook_response = hooks.git_pre_pull(scm_extras)
+        pre_pull_messages = hook_response.output
+        sys.stdout.write(pre_pull_messages)
+
         self.create_hooks_env()
-        return os.system(self.command())
+        result = subprocess.run(self.command(), shell=True)
+        result = result.returncode
+
+        # Upload-pack == clone
+        if action == "pull":
+            hook_response = hooks.git_post_pull(scm_extras)
+            post_pull_messages = hook_response.output
+            sys.stderr.write(post_pull_messages)
+        return result
 
 
 class GitServer(VcsServer):