Use reflog to calculate diff and allow 'git://' repo addresses (#198)

* use reflog instead of ORIG_HEAD to get the changes

* Allow git:// URLS too

Requiring url in repo only allows for https addresses

* trying to fix the tests and regex match

* fix lint

git_pull/config.json

@@ -1,6 +1,6 @@
 {
   "name": "Git pull",
-  "version": "2.0",
+  "version": "2.1",
   "slug": "git_pull",
   "description": "Simple git pull to update the local configuration",
   "url": "https://home-assistant.io/addons/git_pull/",
@@ -21,7 +21,7 @@
   "schema": {
     "deployment_key": ["str"],
     "deployment_key_protocol": "match(rsa|dsa|ecdsa|ed25519|rsa)",
-    "repository": "url",
+    "repository": "match((?:git|ssh|https?|git@[-\\w.]+):(\/\/)?(.*?)(\\.git)(\/?|\\#[-\\d\\w._]+?))",
     "auto_restart": "bool",
     "repeat": {
       "active": "bool",

git_pull/run.sh

@@ -43,7 +43,7 @@ while true; do
 
     # Enable autorestart of homeassistant
     if [ "$AUTO_RESTART" == "true" ]; then
-        changed_files="$(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD)"
+        changed_files="$(git diff-tree -r --name-only --no-commit-id 'HEAD@{1}' HEAD)"
 
         # Files have changed & check config
         if [ ! -z "$changed_files" ]; then