add update-latest-version job to post-publish

.github/workflows/post-publish.yml

@@ -109,3 +109,43 @@ jobs:
           token: ${{ secrets.CRYPTOBOT_WORKFLOW_DISPATCH_TOKEN }}
           repository: cryptomator/docs
           client-payload: '{ "version": "${{needs.get-version.outputs.semVerStr}}", "release": ${{ toJson(github.event.release.assets) }} }'
+
+  update-latest-version:
+    needs: [get-version]
+    runs-on: ubuntu-latest
+    if: needs.get-version.outputs.versionType == 'stable'
+    steps:
+      - name: Download
+        run: >
+          curl --silent --fail-with-body --proto "=https"
+          -L -H "Accept: application/json"
+          https://static.cryptomator.org/desktop/latest-version.json
+          --output latest-version.json
+      - name: Update
+        run: |
+          update_entry() {
+            local os="$1"
+            local file_extension="$2"
+
+            local url=$(jq -r --arg file_extension "$file_extension" '[.[] | select(.name | endswith($file_extension))][0].browser_download_url // "null"' <<< "$RELEASE_ASSETS")
+            if [[ "$url" != "null" && -n "$url" ]]; then
+              jq -r --arg os_key "$os" '.[$os_key] = env.NEW_VERSION' latest-version.json > INPUT.tmp
+              mv INPUT.tmp latest-version.json
+            fi
+          }
+
+          update_entry "win" ".msi"
+          update_entry "mac" ".dmg"
+          update_entry "linux" ".AppImage"
+        env:
+          RELEASE_ASSETS: ${{ toJson(github.event.release.assets) }}
+          NEW_VERSION: ${{ needs.get-version.outputs.semVerStr }}
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ vars.AWS_REGION || 'nl-ams' }}
+      - name: Upload
+        run: aws s3 cp latest-version.json s3://static.cryptomator.org/desktop/latest-version.json --endpoint-url https://s3.nl-ams.scw.cloud/
+