Simplify Github Actions CI (#75)

.github/workflows/test.yml

@@ -10,97 +10,15 @@ jobs:
       image: ucbbar/chisel3-tools
       options: --user github --entrypoint /bin/bash
     env:
-      CHISEL3_REF: master
-      FIRRTL_REF: master
-      FIRRTL_INTERPRETER_REF: master
-      TREADLE_REF: master
       CONTAINER_HOME: /home/github
 
     steps:
-      - name: id
-        id: id
-        run: |
-          uid=$(id -u)
-          echo ::set-env name=CONTAINER_HOME::$(if [ "$uid" = "0" ]; then echo "/root"; else echo "/home/github"; fi)
-          printenv
-          whoami
-          git --version
-          pwd
-      # Currently, sbt seems to either ignore (or doesn't see) $HOME inside the container,
-      #  and insists on using /home/<user> (i.e., /home/github).
-      # Set up symbolic links so /home/gitsub/.{sbt,cache} (inside the container) are links to
-      #  the equivalent directories in $HOME (i.e, /github/home)
-      - name: link-caches
-        id: link-caches
-        run: |
-          echo "Link $CONTAINER_HOME caches to $HOME"
-          echo mkdir -p $HOME/.cache $HOME/.ivy2 $HOME/.sbt
-          mkdir -p $HOME/.cache $HOME/.ivy2 $HOME/.sbt
-          echo ln -s $HOME/.cache $HOME/.ivy2 $HOME/.sbt $CONTAINER_HOME
-          ln -s $HOME/.cache $HOME/.ivy2 $HOME/.sbt $CONTAINER_HOME
-          echo ls -la $HOME . $CONTAINER_HOME
-          ls -la $HOME . $CONTAINER_HOME
-      - name: checkout
+      - name: Checkout
         uses: actions/checkout@v2
-        with:
-          path: repo
-      - name: cache-sbt
-        uses: actions/cache@v1
-        env:
-          cache-name: cache-sbt
-        with:
-          path: ~/.sbt
-          key: build-${{ env.cache-name }}-v1
-          restore-keys: |
-            build-${{ env.cache-name }}-
-      - name: cache-coursier
-        uses: actions/cache@v1
-        env:
-          cache-name: cache-coursier
-        with:
-          path: ~/.cache
-          key: build-${{ env.cache-name }}-v1
-          restore-keys: |
-            build-${{ env.cache-name }}-
-      - name: list
-        id: list
-        run: |
-          echo ls -la . repo ~/.sbt ~/.cache /home/github /home/github/.??*
-          ls -la . repo ~/.sbt ~/.cache /home/github /home/github/.??*
-      - name: env
-        id: env
-        run: |
-          echo "cat $GITHUB_EVENT_PATH"
-          cat $GITHUB_EVENT_PATH
-      - name: gawk
-        id: gawk
-        run: |
-          gawk -f repo/.github/scripts/ExtractBuildDependenciesFromPullRequest.gawk $GITHUB_EVENT_PATH > deps
-          ls -l deps
-          cat deps
-          gawk -f repo/.github/scripts/generateGitClones.gawk deps > clones.sh 3> shas.sh
-          cat shas.sh
-          bash shas.sh > shas
-      - name: cache-dependencies
-        id: cache-dependencies
-        uses: actions/cache@v1
-        env:
-          cache-name: cache-dependencies
-        with:
-          path: ~/.ivy2/local
-          key: build-${{ env.cache-name }}-v1-${{ hashFiles('shas') }}
-      - name: clone-deps
-        id: clone-deps
-        run: |
-          cat clones.sh
-          bash clones.sh
-        if: steps.cache-dependencies.outputs.cache-hit != 'true'
-      - name: version-deps
-        id: version-deps
-        run: |
-          versionDeps=$(gawk -f repo/.github/scripts/generateVersionOverrides.gawk deps)
-          echo "versonDeps: $versionDeps"
-      - name: test
+      - name: Setup Scala
+        uses: olafurpg/setup-scala@v10
+      - name: Cache
+        uses: coursier/cache-action@v5
+      - name: Test
         id: test
-        run: cat /dev/null | sbt $versionDeps +test
-        working-directory: ./repo
+        run: sbt +test