some good practices on workflows

Author: SombrAbsol

.github/workflows/build-linux.yml

@@ -0,0 +1,44 @@
+name: Linux
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+env:
+  TARGET: acftool
+
+jobs:
+  build:
+    name: Build Linux artifact
+    runs-on: ubuntu-24.04
+    timeout-minutes: 15
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Install toolchains
+        run: |
+          set -euo pipefail
+          sudo apt update
+          sudo apt install -y --no-install-recommends \
+            build-essential
+
+      - name: Build Linux binary
+        run: |
+          set -euo pipefail
+          make
+
+      - name: Upload Linux artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.TARGET }}-linux
+          path: ${{ env.TARGET }}
+          if-no-files-found: error