fix: link to commit hash for external deployment

Close #72

action.yml

@@ -26,6 +26,3 @@ inputs:
   useremail:
     description: 'Set Git user.email'
     required: false
-  commitMessage:
-    description: 'Set custom commit message'
-    required: false

entrypoint.sh

@@ -118,16 +118,10 @@ git add --all
 
 print_info "Allowing empty commits: ${INPUT_EMPTYCOMMITS}"
 
-if [ -n "${INPUT_COMMITMESSAGE}" ]; then
-    BASE_COMMIT_MESSAGE="${INPUT_COMMITMESSAGE}"
-else
-    BASE_COMMIT_MESSAGE="Automated deployment: $(date -u)"
-fi
-
 if [ -n "${EXTERNAL_REPOSITORY}" ]; then
-    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_REPOSITORY}@${GITHUB_SHA}"
+    COMMIT_MESSAGE="Automated deployment: $(date -u) ${GITHUB_REPOSITORY}@${GITHUB_SHA}"
 else
-    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_SHA}"
+    COMMIT_MESSAGE="Automated deployment: $(date -u) ${GITHUB_SHA}"
 fi
 
 if [[ ${INPUT_EMPTYCOMMITS} == "false" ]]; then