git_pull: bugfixes and enhancements (#386)

* enhancement, bugfixes, version bump

* fix travis ci errors

* Fixes #389 and enhancement: git_prune

* add double-quoting/fix travis

* Bugfix after fixing CI errors

* check_config bugfix: always do a git fetch

* Bugfix: always fetch; Code Optimization

* Code Optimization

* Prune not only when switching branch

* Verbosity

git_pull/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 4.9
+- Fix git repo detection in config-dir - #372
+- Fix repeat option detection - #375
+- Allow to stay on the currently checked out branch - set "git_branch": ""
+- Correct typo
+
 ## 4.8
 - Add option to use git reset instead of git pull
 - Validate git origin URL

git_pull/config.json

@@ -1,6 +1,6 @@
 {
   "name": "Git pull",
-  "version": "4.8",
+  "version": "4.9",
   "slug": "git_pull",
   "description": "Simple git pull to update the local configuration",
   "url": "https://home-assistant.io/addons/git_pull/",
@@ -16,6 +16,7 @@
     "git_branch": "master",
     "git_command": "pull",
     "git_remote": "origin",
+    "git_prune": false,
     "repository": null,
     "auto_restart": false,
     "repeat": {
@@ -31,6 +32,7 @@
     "git_branch": "str",
     "git_command": "match(pull|reset)",
     "git_remote": "str",
+    "git_prune": "bool",
     "repository": "match((?:.+):(\/\/)?(.*?)(\\.git)(\/?|\\#[-\\d\\w._]+?))",
     "auto_restart": "bool",
     "repeat": {

git_pull/run.sh

@@ -11,6 +11,7 @@ DEPLOYMENT_PASSWORD=$(jq --raw-output ".deployment_password" $CONFIG_PATH)
 GIT_BRANCH=$(jq --raw-output '.git_branch' $CONFIG_PATH)
 GIT_COMMAND=$(jq --raw-output '.git_command' $CONFIG_PATH)
 GIT_REMOTE=$(jq --raw-output '.git_remote' $CONFIG_PATH)
+GIT_PRUNE=$(jq --raw-output '.git_prune' $CONFIG_PATH)
 REPOSITORY=$(jq --raw-output '.repository' $CONFIG_PATH)
 AUTO_RESTART=$(jq --raw-output '.auto_restart' $CONFIG_PATH)
 REPEAT_ACTIVE=$(jq --raw-output '.repeat.active' $CONFIG_PATH)
@@ -111,7 +112,7 @@ fi
 
 function git-synchronize {
     # is /config a local git repo?
-    if git rev-parse --is-inside-git-dir &>/dev/null
+    if git rev-parse --is-inside-work-tree &>/dev/null
     then
         echo "[Info] Local git repository exists"
 
@@ -122,18 +123,36 @@ function git-synchronize {
             echo "[Info] Git origin is correctly set to $REPOSITORY"
             OLD_COMMIT=$(git rev-parse HEAD)
 
+            # Always do a fetch to update repos
+            echo "[Info] Start git fetch..."
+            git fetch "$GIT_REMOTE" || { echo "[Error] Git fetch failed"; exit 1; }
+
+            # Prune if configured
+            if [ "$GIT_PRUNE" == "true" ]
+            then
+              echo "[Info] Start git prune..."
+              git prune || { echo "[Error] Git prune failed"; exit 1; }
+            fi
+
+            # Do we switch branches?
+            GIT_CURRENT_BRANCH=$(git rev-parse --symbolic-full-name --abbrev-ref HEAD)
+            if [ -z "$GIT_BRANCH" ] || [ "$GIT_BRANCH" == "$GIT_CURRENT_BRANCH" ]; then
+              echo "[Info] Staying on currently checked out branch: $GIT_CURRENT_BRANCH..."
+            else
+              echo "[Info] Switching branches - start git checkout of branch $GIT_BRANCH..."
+              git checkout "$GIT_BRANCH" || { echo "[Error] Git checkout failed"; exit 1; }
+              GIT_CURRENT_BRANCH=$(git rev-parse --symbolic-full-name --abbrev-ref HEAD)
+            fi
+
             # Pull or reset depending on user preference
             case "$GIT_COMMAND" in
                 pull)
                     echo "[Info] Start git pull..."
-                    git checkout "$GIT_BRANCH" || { echo "[Error] Git checkout failed"; exit 1; }
                     git pull || { echo "[Error] Git pull failed"; exit 1; }
                     ;;
                 reset)
                     echo "[Info] Start git reset..."
-                    git checkout "$GIT_BRANCH" || { echo "[Error] Git checkout failed"; exit 1; }
+                    git reset --hard "$GIT_REMOTE"/"$GIT_CURRENT_BRANCH" || { echo "[Error] Git reset failed"; exit 1; }
-                    git fetch "$GIT_REMOTE" "$GIT_BRANCH" || { echo "[Error] Git fetch failed"; exit 1; }
-                    git reset --hard "$GIT_REMOTE"/"$GIT_BRANCH" || { echo "[Error] Git reset failed"; exit 1; }
                     ;;
                 *)
                     echo "[Error] Git command is not set correctly. Should be either 'reset' or 'pull'"
@@ -161,7 +180,7 @@ function validate-config {
                 echo "[Info] Restart Home-Assistant"
                 hassio homeassistant restart 2&> /dev/null
             else
-                echo "[Info] Local configuration has changed. Restart requried."
+                echo "[Info] Local configuration has changed. Restart required."
             fi
         else
             echo "[Error] Configuration updated but it does not pass the config check. Do not restart until this is fixed!"
@@ -175,13 +194,14 @@ function validate-config {
 
 #### Main program ####
 cd /config || { echo "[Error] Failed to cd into /config"; exit 1; }
+
 while true; do
     check-ssh-key
     setup-user-password
     git-synchronize
     validate-config
      # do we repeat?
-    if [ -z "$REPEAT_ACTIVE" ]; then
+    if [ ! "$REPEAT_ACTIVE" == "true" ]; then
         exit 0
     fi
     sleep "$REPEAT_INTERVAL"