caching depenencies for Scala CI

.github/workflows/scala.yml

@@ -2,20 +2,33 @@ name: Scala CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [karan]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   build_and_test:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
-      with:
-        java-version: 1.8
-    - name: Run tests
-      run: sbt clean compile test
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Cache sbt dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.ivy2/cache
+            ~/.sbt
+            ~/.coursier
+          key: sbt-${{ runner.os }}-${{ hashFiles('**/*.sbt') }}
+          restore-keys: |
+            sbt-${{ runner.os }}-
+
+      - name: Run tests
+        run: sbt clean compile test