From c9ddb9648b3b810aa50fc238edb5fe55df9643b6 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 29 Apr 2022 15:24:41 +0100
Subject: [PATCH 03/12] pacman: Fix database mtime detection

There is no "core.db" file on Artix, it may exist on Arch.  However
a better way to detect this is to check the mtime of the containing
directory.
---
 src/ph_pacman.ml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ph_pacman.ml b/src/ph_pacman.ml
index 4a1c669..d9ecb29 100644
--- a/src/ph_pacman.ml
+++ b/src/ph_pacman.ml
@@ -129,7 +129,10 @@ let pacman_package_name pkg =
   pac.name
 
 let pacman_get_package_database_mtime () =
-  (lstat "/var/lib/pacman/sync/core.db" (* XXX? *) ).st_mtime
+  (* This directory changes mtime when packages get installed/reinstalled.
+   * The directory itself contains several *.db files with different names.
+   *)
+  (lstat "/var/lib/pacman/sync/").st_mtime
 
 let pacman_get_all_requires pkgs =
   let cmd = sprintf "\
-- 
2.37.3