.github: Factor unit tests out to justfile

.github/workflows/build.yml

@@ -51,10 +51,9 @@ jobs:
           system=$(nix-instantiate --eval -E 'builtins.currentSystem')
           echo system=$system >>$GITHUB_ENV
 
-      - name: Build and run tests
+      - name: Run unit tests
         run: |
-          tests=$(nix build .#internalMatrix."$system".\"${{ matrix.nix }}\".attic-tests --no-link --print-out-paths -L)
-          find "$tests/bin" -exec {} \;
+          .ci/run just ci-unit-tests ${{ matrix.nix }}
 
       - name: Build WebAssembly crates
         if: runner.os == 'Linux'

justfile

@@ -32,3 +32,12 @@ ci-build-wasm:
 	pushd token
 	cargo build --target wasm32-unknown-unknown
 	popd
+
+# (CI) Run unit tests
+ci-unit-tests matrix:
+	#!/usr/bin/env bash
+	set -euxo pipefail
+
+	system=$(nix-instantiate --eval -E 'builtins.currentSystem')
+	tests=$(nix build .#internalMatrix."$system".\"{{ matrix }}\".attic-tests --no-link --print-out-paths -L)
+	find "$tests/bin" -exec {} \;