Fixed crashing and causing issues when source branch has 'master' (ol…

…d school) or 'main' (new repos) in its name.

It was causing errors like fatal: ambiguous argument 'master..test-master-name': unknown revision or path not in the working tree.

Makefile

@@ -2,7 +2,7 @@
 phony: help
 
 # Release tag for the action
-VERSION := v0.1
+VERSION := v0.2
 
 # GitHub Actions bogus variables
 GITHUB_REF ?= refs/heads/null

entrypoint.sh

@@ -51,7 +51,7 @@ if [[ $(git rev-parse --revs-only "${SOURCE_BRANCH}") == $(git rev-parse --revs-
 fi
 
 echo -e "\nComparing branches by diff"
-if [[ -z $(git diff "${TARGET_BRANCH}..${SOURCE_BRANCH}") ]]; then
+if [[ -z $(git diff "remotes/origin/${TARGET_BRANCH}..remotes/origin/${SOURCE_BRANCH}") ]]; then
   echo -e "\n[INFO] Both branches are the same. No action needed."
   exit 0
 fi