add ci (#21)

.bazelrc

@@ -10,6 +10,9 @@ import %workspace%/.aspect/bazelrc/performance.bazelrc
 
 ### YOUR PROJECT SPECIFIC OPTIONS GO HERE ###
 
+# FIXME: aspect's rules are a good starting point, but I don't like all of 'em.
+# I ought to write my own (based on theirs).
+
 # Load any settings & overrides specific to the current user from `.aspect/bazelrc/user.bazelrc`.
 # This file should appear in `.gitignore` so that settings are not shared with team members. This
 # should be last statement in this config so the user configuration is able to overwrite flags from

.github/workflows/ci.yaml

@@ -0,0 +1,33 @@
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout source tree
+        uses: actions/[email protected]
+
+      - name: Setup bazel/bazelisk
+        uses: bazel-contrib/[email protected]
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ github.workflow }}
+          external-cache: true
+          repository-cache: true
+          # TODO: use --config=ci
+          # bazelrc: |
+          #   build --config=ci
+          bazelrc: |
+            build --color=yes
+
+      - name: build
+        run: bazel build //...
+
+      - name: test
+        run: bazel test //...