From 478b8ec8f218f2271b8b9c5e88022b636eb72073 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= <nabijaczleweli@nabijaczleweli.xyz>
Date: Mon, 19 Apr 2021 19:52:44 +0200
Subject: [PATCH] etc/systemd/zfs-mount-generator: don't fail if no cached
 pools
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If $FSLIST exists but is empty, the generator fails with
  sort: cannot read: '/etc/zfs/zfs-list.cache/*':
  No such file or directory

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11915
---
 etc/systemd/system-generators/zfs-mount-generator.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/etc/systemd/system-generators/zfs-mount-generator.in b/etc/systemd/system-generators/zfs-mount-generator.in
index 28439f424a..c276fbbce5 100755
--- a/etc/systemd/system-generators/zfs-mount-generator.in
+++ b/etc/systemd/system-generators/zfs-mount-generator.in
@@ -28,6 +28,7 @@ set -e
 FSLIST="@sysconfdir@/zfs/zfs-list.cache"
 
 [ -d "${FSLIST}" ] || exit 0
+[ "$(echo "${FSLIST}"/*)" = "${FSLIST}/*" ] && exit 0
 
 do_fail() {
   printf 'zfs-mount-generator: %s\n' "$*" > /dev/kmsg