Adding the possibility to pull changes from git before updating images

main.py

@@ -7,6 +7,12 @@ import config
 
 DOCKER_COMPOSE_PATH = config.portainer_compose_dir + '/{}/docker-compose.yml'
 BASH_COMPANION_SCRIPT = os.getcwd() + '/docker_updater.sh'
+REPO_UPDATER_SCRIPT = os.getcwd() + '/update_repo.sh'
+
+
+def update_repositories():
+    for repo_path in config.git_repositories:
+        os.system(f"{REPO_UPDATER_SCRIPT} {repo_path}")
 
 
 def update_stack(stack):

update_repos.sh

@@ -0,0 +1,6 @@
+REPO_PATH=$1
+
+git -C $REPO_PATH fetch --tags
+LAST_HASH=`git -C $REPO_PATH rev-list --tags --max-count=1`
+LAST_TAG=`git -C $REPO_PATH describe --tags $LAST_HASH`
+git -C $REPO_PATH checkout $LAST_TAG