From 0263251ecf105a5a9b630d59552f46d96c65ee63 Mon Sep 17 00:00:00 2001
From: Unrud <unrud@openaliasbox.org>
Date: Sat, 11 Jun 2016 10:34:18 +0200
Subject: [PATCH] Add hook for storage changes

---
 config               |  4 ++++
 radicale/__init__.py | 11 +++++++++++
 radicale/config.py   |  3 ++-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/config b/config
index 7ded009..ab922b2 100644
--- a/config
+++ b/config
@@ -112,6 +112,10 @@
 # Folder for storing local collections, created if not present
 #filesystem_folder = ~/.config/radicale/collections
 
+# Command that is run after changes to storage
+#hook =
+# Example: git add -A && (git diff --cached --quiet || git commit -m "Changes by "%(user)s)
+
 
 [logging]
 
diff --git a/radicale/__init__.py b/radicale/__init__.py
index 4f2e26d..d64d037 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -30,10 +30,12 @@ import os
 import pprint
 import base64
 import contextlib
+import shlex
 import socket
 import socketserver
 import ssl
 import threading
+import subprocess
 import wsgiref.simple_server
 import re
 import zlib
@@ -348,6 +350,15 @@ class Application:
                     status, headers, answer = function(
                         environ, read_allowed_items, write_allowed_items,
                         content, user)
+                    hook = self.configuration.get("storage", "hook")
+                    if lock_mode == "w" and hook:
+                        self.logger.debug("Running hook")
+                        folder = os.path.expanduser(
+                            self.configuration.get("storage",
+                                                   "filesystem_folder"))
+                        subprocess.check_call(
+                            hook % {"user": shlex.quote(user or "Anonymous")},
+                            shell=True, cwd=folder)
                 else:
                     status, headers, answer = NOT_ALLOWED
         else:
diff --git a/radicale/config.py b/radicale/config.py
index 7886c3b..8ca1677 100644
--- a/radicale/config.py
+++ b/radicale/config.py
@@ -60,7 +60,8 @@ INITIAL_CONFIG = {
     "storage": {
         "type": "multifilesystem",
         "filesystem_folder": os.path.expanduser(
-            "~/.config/radicale/collections")},
+            "~/.config/radicale/collections"),
+        "hook": ""},
     "logging": {
         "config": "/etc/radicale/logging",
         "debug": "False",