fix release

Make output-file by default to /dev/stdout

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-20.04
     container: pipelinecomponents/hadolint:0.10.1
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run hadolint
         run: hadolint Dockerfile
 
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-20.04
     needs: ["lint"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build Docker image
         run: docker build -t $TEST_IMAGE_NAME .
 
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-20.04
     needs: build-test
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Run integration test 1
         uses: ./
@@ -96,7 +96,7 @@ jobs:
     needs: integration-tests
     steps:
       - uses: actions/checkout@v2
-      - uses: cycjimmy/semantic-release-action@v2
+      - uses: cycjimmy/semantic-release-action@v3
         with:
           extra_plugins: |
             @semantic-release/git

Dockerfile

@@ -1,4 +1,4 @@
-FROM hadolint/hadolint:v2.9.3-debian
+FROM ghcr.io/hadolint/hadolint:v2.12.0-debian
 
 COPY LICENSE README.md problem-matcher.json /
 COPY hadolint.sh /usr/local/bin/hadolint.sh

README.md

@@ -15,7 +15,7 @@ Add the following step to your workflow configuration:
 ```yml
 steps:
   - uses: actions/checkout@v2 
-  - uses: hadolint/hadolint-action@v2.0.0
+  - uses: hadolint/hadolint-action@v2.1.0
     with:
       dockerfile: Dockerfile
 ```

action.yml

@@ -18,7 +18,7 @@ inputs:
   output-file:
     required: false
     description: 'The path where to save the linting results to'
-    default:
+    default: "/dev/stdout"
 
   # standart hadolint options:
   no-color:

hadolint.sh

@@ -44,7 +44,10 @@ if [ -n "$HADOLINT_OUTPUT" ]; then
 fi
 
 RESULTS="${RESULTS//$'\\n'/''}"
-echo "::set-output name=results::$RESULTS"
+
+echo "results<<EOF" >> $GITHUB_OUTPUT
+echo "${RESULTS}" >> $GITHUB_OUTPUT
+echo "EOF" >> $GITHUB_OUTPUT
 
 { echo "HADOLINT_RESULTS<<EOF"; echo "$RESULTS"; echo "EOF"; } >> $GITHUB_ENV