WORKFLOW: reworked cooker workflow to ensure that RetroDECK Organization related patterns are not executed on a foregin repository making it fail

.github/workflows/cooker-selfhosted.yml

@@ -41,6 +41,7 @@ jobs:
         continue-on-error: true
 
       - name: Generate a token for Rekku
+        if: github.repository_owner == 'RetroDECK'
         id: generate-rekku-token
         uses: actions/create-github-app-token@v1
         with:
@@ -52,6 +53,8 @@ jobs:
       - name: Clone RetroDECK repo
         uses: actions/checkout@v4
         with:
+          ref: ${{ github.event.pull_request.head.ref || github.ref }}                          # Use the branch or commit reference from the pull request if available; otherwise, fall back to the reference from the event that triggered the workflow.
+          repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }} # Use the repository name from the pull request if available; otherwise, use the repository name from the event that triggered the workflow.
           submodules: 'true'
 
       - name: "Install dependencies"
@@ -73,22 +76,30 @@ jobs:
             echo "MAKE_LATEST=true" >> $GITHUB_ENV
           fi
 
-      # if the branch is coming from a PR the tag should be manually built
+      # Generate version tag based on the branch name: if the branch is coming from a PR the tag should be manually built
       - name: "Generate version tag"
         run: |
+
+          # Source version extractor script and get manifest version
           source automation_tools/version_extractor.sh
           MANIFEST_VERSION="$(fetch_manifest_version)"
+          
+          # Set manifest version to environment variable
           echo "MANIFEST_VERSION=$MANIFEST_VERSION" >> $GITHUB_ENV
-          if [[ "$BRANCH_NAME" == 'refs/'* ]]; then
-            pr_number=$(echo ${{env.BRANCH_NAME}} | awk -F'/' '{print $3}')
-            source_branch=$(curl -s "https://api.github.com/repos/RetroDECK/RetroDECK/pulls/$pr_number" | jq -r '.head.ref')
-            source_branch=${source_branch//\//-}
-            echo "[DEBUG] source branch is: $source_branch"
-            echo "TAG=PR-$pr_number-$source_branch-${{ env.buildid }}" >> $GITHUB_ENV
+
+          # Determine tag based on branch type
+          if [[ "$BRANCH_NAME" == refs/* ]]; then
+            pr_number=$(echo "${{ env.BRANCH_NAME }}" | awk -F'/' '{print $3}')
+            source_branch=$(curl -s "https://api.github.com/repos/RetroDECK/RetroDECK/pulls/$pr_number" | jq -r '.head.ref' | tr '/' '-')
+            TAG="PR-$pr_number-$source_branch-${{ env.buildid }}"
           else
             TAG="$MANIFEST_VERSION-${{ env.buildid }}"
-            echo "TAG=$TAG" >> $GITHUB_ENV
           fi
+
+          # Set tag to environment variable
+          echo "TAG=$TAG" >> $GITHUB_ENV
+
+          # Output debug information
           echo "MANIFEST_VERSION: $MANIFEST_VERSION"
           echo "Version TAG: $TAG"
 
@@ -129,10 +140,6 @@ jobs:
 
       - name: Create Bundle
         run: "/bin/bash ${GITHUB_WORKSPACE}/automation_tools/flatpak_build_bundle.sh"
-
-      - name: Set environment variable with current branch name
-        run: echo "GITHUB_REF_SLUG=$(git rev-parse --abbrev-ref HEAD)" >> $GITHUB_ENV
-
       - name: Get commits since last release
         run: |
           # Get the latest release tag
@@ -140,21 +147,21 @@ jobs:
           # Get all commits since the latest release tag
           COMMITS=$(git log $LATEST_TAG..HEAD --pretty=format:"- %s")
           # Set the output variable
-          echo "::set-output name=commits::$COMMITS"
-        id: commits
+          echo "COMMITS=$COMMITS" >> $GITHUB_ENV
         continue-on-error: true
 
       - name: Publish the flatpak in a new cooker release
         uses: ncipollo/release-action@v1
         with:
           tag: "${{env.TAG}}"
+          commit: ${{ github.sha }}
           body: |
             # Release Notes (Cooker)
             This is a cooker snapshot based on the commit: ${{ github.event.repository.full_name }}@${{github.sha}}.
             On branch [${{env.BRANCH_NAME}}](https://github.com/RetroDECK/RetroDECK/tree/${{env.BRANCH_NAME}}).
 
-            ## Commits since last release
-            ${{ steps.commits.outputs.commits }}
+            ## Commits since last cooker build
+            ${{ env.COMMITS }}
 
             For the full release note for this build please refer to the channel [#BETA-TESTING](https://discord.gg/WDc5C9YWMx) on our Discord server.
       
@@ -165,10 +172,11 @@ jobs:
           allowUpdates: true
           makeLatest: ${{env.MAKE_LATEST}} # if it's a feat branch is not considered the latest build
           token: ${{ steps.generate-rekku-token.outputs.token }}
-          repo: Cooker
+          repo: ${{ github.repository_owner == 'RetroDECK' && 'Cooker' || github.repository }} # If the repo owner is RetroDECK, publish to Cooker, otherwise publish to the current fork repo
         continue-on-error: true
 
       - name: Rewrite Tag
+        if: github.repository_owner == 'RetroDECK'
         run: |
           git submodule deinit -f --all
           git fetch --tags
@@ -192,6 +200,7 @@ jobs:
         continue-on-error: true
 
       - name: Create Artifact for flathub
+        if: github.repository_owner == 'RetroDECK'
         run: | 
           tar -czf ${GITHUB_WORKSPACE}/RetroDECK-Artifact-cooker.tar.gz -C ${GITHUB_WORKSPACE}/retrodeck-flatpak-cooker .
           hash=($(sha256sum ${GITHUB_WORKSPACE}/RetroDECK-Artifact-cooker.tar.gz))
@@ -200,6 +209,7 @@ jobs:
         continue-on-error: true
 
       # - name: Upload RetroDECK-cooker.flatpak to Gitea Release
+      #   if: github.repository_owner == 'RetroDECK'
       #   run: |
       #     # Set variables for Gitea host, organization, repository, access token, and release details
       #     GITEA_HOST="repo.retrodeck.net"