[projects/geninitrd] don't try to mount /usr if it's not on separate fs

[atler]

commit 0efb042f4d4d381eeb37fa06c1201de659528ef5
Author: Jan Palus <atler at pld-linux.org>
Date:   Wed Sep 28 22:04:22 2022 +0200

    don't try to mount /usr if it's not on separate fs

 geninitrd | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/geninitrd b/geninitrd
index 2cb8d34..0a422ee 100755
--- a/geninitrd
+++ b/geninitrd
@@ -1085,8 +1085,10 @@ initrd_gen_initramfs_switchroot() {
 		# probably break (sometimes even silently) in mysterious ways. Consult
 		# http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 		# for more information.
-		echo trying to mount /usr
-		chroot /newroot mount -n /usr
+		if chroot /newroot findmnt -s -n /usr > /dev/null 2> /dev/null; then
+			echo trying to mount /usr
+			chroot /newroot mount -n /usr
+		fi
 
 		exec switch_root /newroot $init ${1:+"$@"}
 
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/projects/geninitrd.git/commitdiff/9552a28d03e1b9bf8c5fdb933d5fa8464022a219