feature(gha): add github action (#4)

Author: billf

.github/workflows/devenv.yaml

@@ -0,0 +1,40 @@
+name: devenv workflow
+on:
+  workflow_call:
+    inputs:
+      devenv-target:
+        required: true
+        type: string
+
+jobs:
+  test:
+    env:
+      SCCACHE_GHA_ENABLED: "true"
+      RUSTC_WRAPPER: "sccache"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - name: Sccache Action
+        uses: Mozilla-Actions/sccache-action@main
+      - name: Run sccache stat for check
+        shell: bash
+        run: ${SCCACHE_PATH} --show-stats
+      - name: Set up cargo cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-
+      - name: install devenv
+        run: nix profile install nixpkgs#devenv
+      - name: run devenv target
+        run: devenv ${{ inputs.devenv-target }}

.github/workflows/push.yaml

@@ -0,0 +1,17 @@
+name: pushes and pull requests
+on:
+  pull_request:
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  devenv-test:
+    uses: ./.github/workflows/devenv.yaml
+    with:
+      devenv-target: test --log-format tracing-pretty