https://git.ruby-lang.org/ruby.git/commit/?id=17d869c7d6

From 17d869c7d65534a18885162ea4daa78ade3254d6 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 10 Aug 2020 19:39:58 +0900
Subject: Check if C-sources are US-ASCII

Encoding of C-sources can not be determined, and non-ASCII code
are often warned by localized compilers.

diff --git a/.github/workflows/check_encoding.yml b/.github/workflows/check_encoding.yml
new file mode 100644
index 0000000..7b0d60b
--- /dev/null
+++ b/.github/workflows/check_encoding.yml
@@ -0,0 +1,11 @@ https://github.com/ruby/ruby/blob/trunk/.github/workflows/check_encoding.yml#L1
+name: Check C-source encoding
+on: [push, pull_request]
+
+jobs:
+  check_encoding:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Check if C-sources are US-ASCII
+        run: |
+          ! grep -r -n '[^	 -~]' *.[chy] include internal win32/*.[ch]
-- 
cgit v0.10.2


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