From 786fd17d136e77f06256e4f428cbfa248e8e0795 Mon Sep 17 00:00:00 2001
From: Shizuo Fujita <fujita@clear-code.com>
Date: Thu, 12 Mar 2026 16:25:14 +0900
Subject: [PATCH] CI: Introduce ruby_versions.yml to add supported Ruby
 versions automatically

Signed-off-by: Shizuo Fujita <fujita@clear-code.com>
---
 .github/workflows/linux.yml | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 732dd11..c59880c 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -1,17 +1,26 @@
 name: linux
 on:
-  - push
-  - pull_request
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  schedule:
+    - cron: '0 0 1 * *'
 jobs:
+  ruby-versions:
+    uses: ruby/actions/.github/workflows/ruby_versions.yml@master
+    with:
+      engine: cruby
+      min_version: 3.2
   build:
+    needs: ruby-versions
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        ruby:
-          - '3.2'
-          - '3.3'
-          - '3.4'
+        ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
+        exclude:
+          - ruby: head
         os:
           - ubuntu-latest
         gemfile: