Refactor workflow

Install OATS directly instead of cloning.

Author: martincostello

.github/workflows/oats.yml

@@ -2,40 +2,51 @@ name: OATS
 
 on:
   push:
-    branches: [ 'main*' ]
+    branches: [ main ]
     paths-ignore:
-    - '**.md'
+      - '**/*.gitattributes'
+      - '**/*.gitignore'
+      - '**/*.md'
   workflow_dispatch:
   # TODO Remove once fixed
   pull_request:
-    branches: [ 'main*' ]
+    branches: [ main ]
 
 permissions: {}
 
 jobs:
   acceptance-tests:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
 
     steps:
-      - name: Check out
-        uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-      - name: Check out oats
-        uses: actions/checkout@v4
+
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
-          repository: grafana/oats
-          path: oats
+          filter: 'tree:0'
           persist-credentials: false
+          show-progress: false
+
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version: '1.24'
-          cache-dependency-path: oats/go.sum
+
+      - name: Install OATS
+        env:
+          OATS_VERSION: latest
+        run: go install "github.com/grafana/oats@${OATS_VERSION}"
+
       - name: Run acceptance tests
-        run: ./scripts/run-oats-tests.sh
+        env:
+          TESTCASE_BASE_PATH: './docker'
+          TESTCASE_SKIP_BUILD: true
+          TESTCASE_TIMEOUT: 5m
+        run: oats ./docker/docker-compose-aspnetcore
+
       - name: Upload log file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: failure()
         with:
           name: docker-compose.log