Set exit_code correctly as output (#245)

.github/workflows/test.yml

@@ -194,3 +194,21 @@ jobs:
         uses: ./
         with:
           token: ${{ secrets.CUSTOM_TOKEN }}
+
+      - name: Test exit code set in steps-output
+        id: lychee_exit_code_test
+        uses: ./
+        with:
+          args: -- inputdoesnotexist
+        continue-on-error: true
+
+      - name: Check exit code in steps.outputs
+        run: |
+          echo "Lychee exit code: ${{ steps.lychee_exit_code_test.outputs.exit_code }}"
+          if [[ "${{ steps.lychee_exit_code_test.outputs.exit_code }}" == "1" ]]; then
+            echo "Lychee correctly failed with exit code 1"
+          else
+            echo "Unexpected exit code: ${{ steps.lychee_exit_code_test.outputs.exit_code }}"
+            echo "Expected exit code 1"
+            exit 1
+          fi

entrypoint.sh

@@ -68,7 +68,7 @@ if [ "${INPUT_FORMAT}" == "markdown" ]; then
 fi
 
 # Pass lychee exit code to next step
-echo "lychee_exit_code=$exit_code" >> $GITHUB_ENV
+echo "exit_code=$exit_code" >> $GITHUB_OUTPUT
 
 # If `fail` is set to `true` (and it is by default), propagate the real exit
 # value to the workflow runner. This will cause the pipeline to fail on