Merge pull request #16 from Songmu/fix-output

[bugfix] fix way to output commit message

Author: Songmu

entrypoint.sh

@@ -36,7 +36,11 @@ COMMIT_MESSAGE="${COMMIT_MESSAGE/LAST_COMMIT_MESSAGE/$LAST_COMMIT_MESSAGE}"
 ORIGIN_COMMIT="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/commit/$GITHUB_SHA"
 COMMIT_MESSAGE="${COMMIT_MESSAGE/ORIGIN_COMMIT/$ORIGIN_COMMIT}"
 COMMIT_MESSAGE="${COMMIT_MESSAGE/GITHUB_REF/$GITHUB_REF}"
-echo "commit-message=$COMMIT_MESSAGE" >> "$GITHUB_OUTPUT"
+{
+  echo 'commit-message<<EOF'
+  echo "$COMMIT_MESSAGE"
+  echo 'EOF'
+} >> "$GITHUB_OUTPUT"
 
 echo "[+] Swap github.workspace with the cloned repository"
 mv "$GITHUB_WORKSPACE" "$TEMP_WORKDIR/$WORKTREE_DIR"