From ec69f6b550a3cea3d165cf7cf73f690900acbe41 Mon Sep 17 00:00:00 2001
From: Varun Gandhi <varun.gandhi@sourcegraph.com>
Date: Tue, 9 Aug 2022 21:54:07 +0800
Subject: [PATCH] ci: Clean up CI workflow with finer caching.

---
 .github/workflows/ci.yml         | 33 ++++++++++++++++++++------------
 .github/workflows/setup-bazel.sh | 15 +++++++++++++++
 2 files changed, 36 insertions(+), 12 deletions(-)
 create mode 100755 .github/workflows/setup-bazel.sh

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33e21e0ffa..01bc4e5f59 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,25 +15,34 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '2.7'
-      - name: Install Bazel
-        run: sudo npm install --location=global @bazel/bazelisk
       - name: Manually evict cache entry if applicable
         run: ACCESS_TOKEN='${{ secrets.GITHUB_TOKEN }}' python3 .github/workflows/evict.py
-      - name: Mount bazel cache
+      - name: "⚙️  Setup Bazel"
+        run: .github/workflows/setup-bazel.sh
+      - name: "🚀 Mount Bazel build cache"
         uses: actions/cache@v3
         with:
-          path: ~/.cache/bazel
-          key: bazel-${{ env.GITHUB_REF_NAME }}-${{ env.GITHUB_SHA }}
+          path: ~/bazelcache/build
+          key: bazel-build-${{ runner.os }}
           restore-keys: |
-            bazel-${{ env.GITHUB_REF_NAME }}-${{ env.GITHUB_SHA }}
-            bazel-${{ env.GITHUB_REF_NAME }}-
-            bazel-
-      - name: Test
-        run: bazel test //test/scip --explain log --verbose_explanations --test_output=errors --config=dbg
+            bazel-build-${{ runner.os }}
+            bazel-build-
+      - name: "🚀 Mount Bazel repo cache"
+        uses: actions/cache@v3
+        with:
+          path: ~/bazelcache/repos
+          key: bazel-repos-${{ runner.os }}
+          restore-keys: |
+            bazel-repos-${{ runner.os }}
+            bazel-repos-
+      - name: "🏗 Build"
+        run: ./bazel build //main:scip-ruby //test:scip_test_runner --config=dbg --explain log --verbose_explanations
       - name: Print bazel log
         run: cat log && rm log
-      - name: Test OSS repos
-        run: bazel test //test/scip/repos --test_env GITHUB_ACTIONS=1 --test_env PATH="$PATH" --test_env HOME="$HOME" --explain log --verbose_explanations --test_output=errors --config=dbg --spawn_strategy=local
+      - name: "🧐 Run snapshot tests"
+        run: ./bazel test //test/scip --config=dbg
+      - name: "🧐 Run repo tests"
+        run: ./bazel test //test/scip/repos --test_env GITHUB_ACTIONS=1 --test_env PATH="$PATH" --test_env HOME="$HOME" --config=dbg --spawn_strategy=local --explain log --verbose_explanations
           # Turn off sandboxing because Homebrew needs to write
           # to directories outside the sandbox. 🙄
       - name: Print bazel log for repo tests
diff --git a/.github/workflows/setup-bazel.sh b/.github/workflows/setup-bazel.sh
new file mode 100755
index 0000000000..5b7e50badd
--- /dev/null
+++ b/.github/workflows/setup-bazel.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+CACHE_ROOT="$HOME/bazelcache"
+mkdir -p "$CACHE_ROOT/output-base" "$CACHE_ROOT/build" "$CACHE_ROOT/repos"
+{
+  echo 'common --curses=no --color=yes'
+  echo "startup --output_base=$CACHE_ROOT/output-base"
+  echo "build  --disk_cache=$CACHE_ROOT/build --repository_cache=$CACHE_ROOT/repos"
+  echo "test   --disk_cache=$CACHE_ROOT/build --repository_cache=$CACHE_ROOT/repos --test_output=errors"
+} > .bazelrc.local
+
+# Install Bazel and print version
+./bazel version