Add CI

Author: abustany

.github/workflows/_check.yml

@@ -0,0 +1,38 @@
+name: check
+
+on:
+  workflow_call:
+
+jobs:
+  check:
+    runs-on: ubuntu-24.04
+    timeout-minutes: 15
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: true
+    steps:
+      - uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v27
+
+      - name: Run the Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v7
+
+      - name: Setup flake environment
+        run: nix develop -c sleep 0
+        shell: bash
+
+      - name: Check Go format
+        run: nix develop -c ./scripts/check-fmt.sh
+
+      - name: Vet
+        run: nix develop -c go vet ./...
+
+      - name: Test
+        run: nix develop -c go test ./...
+
+      - name: Build
+        run: nix build

.github/workflows/master.yml

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+name: Master
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  check:
+    uses: ./.github/workflows/_check.yml

.github/workflows/prs.yml

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+name: Pull requests
+
+on:
+  pull_request:
+
+jobs:
+  check:
+    uses: ./.github/workflows/_check.yml

scripts/check-fmt.sh

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+#!/bin/bash
+
+UNFORMATTED_FILES=$(gofmt -l .)
+
+if [ -n "$UNFORMATTED_FILES" ]; then
+  echo "The following files are not formatted:"
+  echo "$UNFORMATTED_FILES"
+  exit 1
+fi