GitPull: add support for ssh cloned GitHub repositories (#241)

* disabled StrictHostKeyChecking during ssh key validation

* adds support to (ssh cloned) github repositories on key validation

* update Changelog and config.json

git_pull/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 4.1
+- Add support for key validation against ssh cloned GitHub repositories
+
 ## 4.0
 - Allow to use user/password authentication for GIT
 - New options `deployment_user` and `deployment_password`

git_pull/config.json

@@ -1,6 +1,6 @@
 {
   "name": "Git pull",
-  "version": "4.0",
+  "version": "4.1",
   "slug": "git_pull",
   "description": "Simple git pull to update the local configuration",
   "url": "https://home-assistant.io/addons/git_pull/",

git_pull/run.sh

@@ -60,11 +60,11 @@ if [ -n "$DEPLOYMENT_KEY" ]; then
     echo "Check SSH connection"
     IFS=':' read -ra GIT_URL_PARTS <<< "$REPOSITORY"
     # shellcheck disable=SC2029
-    if ! ssh -T -o "BatchMode=yes" "${GIT_URL_PARTS[0]}"
+    DOMAIN="${GIT_URL_PARTS[0]}"
-    then
+    if OUTPUT_CHECK=$(ssh -T -o "StrictHostKeyChecking=no" -o "BatchMode=yes" "$DOMAIN" 2>&1) || ([[ $DOMAIN = *"@github.com"* ]] && [[ $OUTPUT_CHECK = *"You've successfully authenticated"* ]]); then
-        echo "Valid SSH connection for ${GIT_URL_PARTS[0]}"
+        echo "Valid SSH connection for $DOMAIN"
     else
-        echo "No valid SSH connection for ${GIT_URL_PARTS[0]}"
+        echo "No valid SSH connection for $DOMAIN"
         add-ssh-key
     fi
 fi