[Backport release-24.11] workflows/build: build all the basics in a single workflow (#416403)

Author: wolfgangwalther

.github/workflows/manual-nixos-v2.yml .github/workflows/build.yml.github/workflows/manual-nixos-v2.yml renamed to .github/workflows/build.yml

@@ -1,22 +1,10 @@
-name: "Build NixOS manual v2"
+name: Build
 
 on:
   pull_request:
     paths:
-      - .github/workflows/manual-nixos-v2.yml
+      - .github/workflows/build.yml
   pull_request_target:
-    branches:
-      - master
-      - release-*
-    paths:
-      - "nixos/**"
-      # Also build when the nixpkgs doc changed, since we take things like
-      # the release notes and some css and js files from there.
-      # See nixos/doc/manual/default.nix
-      - "doc/**"
-      # Build when something in lib changes
-      # Since the lib functions are used to 'massage' the options before producing the manual
-      - "lib/**"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.run_id }}
@@ -29,16 +17,24 @@ defaults:
     shell: bash
 
 jobs:
-  nixos:
-    name: nixos-manual-build
+  build:
     strategy:
       fail-fast: false
       matrix:
         include:
           - runner: ubuntu-24.04
             system: x86_64-linux
+            builds: [shell,manual-nixos,lib-tests]
           - runner: ubuntu-24.04-arm
             system: aarch64-linux
+            builds: [shell,manual-nixos,manual-nixpkgs,manual-nixpkgs-tests]
+          - runner: macos-13
+            system: x86_64-darwin
+            builds: [shell]
+          - runner: macos-14
+            system: aarch64-darwin
+            builds: [shell]
+    name: ${{ matrix.system }}
     runs-on: ${{ matrix.runner }}
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -59,13 +55,34 @@ jobs:
           name: nixpkgs-ci
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
 
+      - name: Build shell
+        if: contains(matrix.builds, 'shell')
+        run: nix-build untrusted/ci -A shell
+
       - name: Build NixOS manual
-        id: build-manual
-        run: nix-build untrusted/ci -A manual-nixos --argstr system ${{ matrix.system }}
+        if: |
+          contains(matrix.builds, 'manual-nixos') && !cancelled() &&
+          (github.base_ref == 'master' || startsWith(github.base_ref, 'release-'))
+        run: nix-build untrusted/ci -A manual-nixos --argstr system ${{ matrix.system }} --out-link nixos-manual
+
+      - name: Build Nixpkgs manual
+        if: contains(matrix.builds, 'manual-nixpkgs') && !cancelled()
+        run: nix-build untrusted/ci -A manual-nixpkgs -A manual-nixpkgs-tests
+
+      - name: Build Nixpkgs manual tests
+        if: contains(matrix.builds, 'manual-nixpkgs-tests') && !cancelled()
+        run: nix-build untrusted/ci -A manual-nixpkgs-tests
+
+      - name: Build lib tests
+        if: contains(matrix.builds, 'lib-tests') && !cancelled()
+        run: nix-build untrusted/ci -A lib-tests
 
       - name: Upload NixOS manual
+        if: |
+          contains(matrix.builds, 'manual-nixos') && !cancelled() &&
+          (github.base_ref == 'master' || startsWith(github.base_ref, 'release-'))
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: nixos-manual-${{ matrix.system }}
-          path: result/
+          path: nixos-manual
           if-no-files-found: error