Omit macos-13 runner in PRs (#696)

Author: kachick

.github/workflows/ci-go.yml

@@ -27,7 +27,7 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          - macos-13 # Intel. Do not use macos-14 to prefer architecture - https://github.com/actions/runner-images/issues/9741#issuecomment-2075259811
+          - macos-14 # M1. Doesn't match for my Intel Mac, but preferring with the speed.
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/ci-home.yml

@@ -22,16 +22,31 @@ on:
   workflow_dispatch:
 
 jobs:
+  generate_matrix:
+    timeout-minutes: 5
+    runs-on: ubuntu-24.04
+    outputs:
+      matrix: ${{ steps.generator.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+          cache-dependency-path: 'go.sum'
+      - name: Install gh-action-escape
+        run: curl -fsSL https://raw.githubusercontent.com/kachick/gh-action-escape/main/scripts/install-in-github-action.sh | sh -s v0.2.0
+      - name: Generate Matrix
+        id: generator
+        run: |
+          go run ./cmd/gen_matrix -event_name '${{ github.event_name }}' | gh-action-escape -name=matrix | tee -a "$GITHUB_OUTPUT"
   home-manager:
+    needs: [generate_matrix]
     if: (github.event_name != 'pull_request') || (!github.event.pull_request.draft)
     timeout-minutes: 30
     strategy:
       fail-fast: false
-      matrix:
-        os:
-          - ubuntu-24.04
-          - macos-13 # Intel. Do not use macos-14 to prefer architecture - https://github.com/actions/runner-images/issues/9741#issuecomment-2075259811
-
+      matrix: ${{ fromJson(needs.generate_matrix.outputs.matrix) }}
     runs-on: ${{ matrix.os }}
     steps:
       # Do not use DeterminateSystems/magic-nix-cache-action for home workflow, it always faced to GitHub rate limit because of home depends on many packages

.github/workflows/ci-nix.yml

@@ -28,7 +28,7 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          - macos-13 # Intel. Do not use macos-14 to prefer architecture - https://github.com/actions/runner-images/issues/9741#issuecomment-2075259811
+          - macos-14 # M1. Doesn't match for my Intel Mac, but preferring with the speed.
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     steps:

cmd/gen_matrix/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"log"
+)
+
+type Matrix struct {
+	Os []string `json:"os"`
+}
+
+func main() {
+	eventNameFlag := flag.String("event_name", "", "github.event_name")
+
+	flag.Parse()
+
+	eventName := *eventNameFlag
+
+	if eventName == "" {
+		flag.Usage()
+		log.Fatalln("empty event_name is given")
+	}
+
+	matrix := Matrix{
+		//  https://github.com/actions/runner-images/issues/9741#issuecomment-2075259811
+		Os: []string{
+			"ubuntu-24.04",
+			//  M1. Doesn't match for my Intel Mac, but preferring with the speed.
+			"macos-14",
+		},
+	}
+
+	if eventName != "pull_request" {
+		matrix.Os = append(matrix.Os,
+			// Intel. Correct with the architecture. But basically skipping because of it is much slow to complete.
+			"macos-13",
+		)
+	}
+
+	bytes, err := json.MarshalIndent(matrix, "", "  ")
+	if err != nil {
+		log.Fatalln("can't marshal generated JSON matrix")
+	}
+
+	fmt.Println(string(bytes))
+}

darwin/README.md

@@ -12,4 +12,5 @@ So you should manually install followings.
 
 ## Limitations
 
-- I only have x86-64 macbook pro, it is much slow in GitHub action macos-13 runner.
+- I only have x86-64 macbook pro, it is much slow in GitHub action macos-13 runner.\
+  So preferring macos-14 runner in several place...

flake.nix

@@ -196,6 +196,14 @@
               edge-pkgs = edge-nixpkgs.legacyPackages.x86_64-darwin;
             };
           };
+
+          aarch64-macOS = {
+            pkgs = nixpkgs.legacyPackages.aarch64-darwin;
+            extraSpecialArgs = {
+              homemade-pkgs = homemade-packages.aarch64-darwin;
+              edge-pkgs = edge-nixpkgs.legacyPackages.aarch64-darwin;
+            };
+          };
         in
         {
           "kachick@linux-gui" = home-manager.lib.homeManagerConfiguration (
@@ -248,6 +256,18 @@
             }
           );
 
+          "github-actions@macos-14" = home-manager.lib.homeManagerConfiguration (
+            aarch64-macOS
+            // {
+              # Prefer "kachick" over "common" only here.
+              # Using values as much as possible as actual values to create a robust CI
+              modules = [
+                ./home-manager/kachick.nix
+                { home.username = "runner"; }
+              ];
+            }
+          );
+
           "user@linux-cui" = home-manager.lib.homeManagerConfiguration (
             x86-Linux
             // {