https://git.ruby-lang.org/ruby.git/commit/?id=6333020fc9

From 6333020fc924d3ae63775c032bbe8f57364cd42e Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sat, 12 Oct 2019 14:55:55 +0900
Subject: atime may not updated unless strictatime is set on macOS Catalina

Cited from mount(8):

```
strictatime
        Always update the file access time when reading from a
        file. Without this option the filesystem may default to a
        less strict update mode, where some access time updates
        are skipped for performance reasons. This option could be
        ignored if it is not supported by the filesystem.
```

diff --git a/ext/-test-/file/fs.c b/ext/-test-/file/fs.c
index c9c3473..63d2356 100644
--- a/ext/-test-/file/fs.c
+++ b/ext/-test-/file/fs.c
@@ -89,6 +89,9 @@ get_noatime_p(VALUE self, VALUE str) https://github.com/ruby/ruby/blob/trunk/ext/-test-/file/fs.c#L89
        rb_sys_fail_str(str);
     }
 # ifdef HAVE_STRUCT_STATFS_F_FLAGS
+#  ifdef MNT_STRICTATIME
+    if (!(st.f_flags & MNT_STRICTATIME)) return Qtrue;
+#  endif
 #  ifdef MNT_NOATIME
     return st.f_flags & MNT_NOATIME ? Qtrue : Qfalse;
 #  elif defined(ST_NOATIME)
-- 
cgit v0.10.2


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