File xen.27f32dbdb1b11d171f0fa4dfd3263b44e9f7c71c.patch of Package xen

From: Olaf Hering <olaf@aepfle.de>
Date: Tue, 4 May 2021 16:31:28 +0200
Subject: 27f32dbdb1b11d171f0fa4dfd3263b44e9f7c71c

tools: handle missing xencommons in xen-init-dom0.service

sysconfig files are not mandatory.
Adjust xen-init-dom0.service to handle a missing sysconfig file by
prepending a dash to the to-be-sourced filename.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
 tools/hotplug/Linux/systemd/xen-init-dom0.service.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/hotplug/Linux/systemd/xen-init-dom0.service.in
+++ b/tools/hotplug/Linux/systemd/xen-init-dom0.service.in
@@ -1,15 +1,15 @@
 [Unit]
 Description=xen-init-dom0, initialise Dom0 configuration (xenstore nodes, JSON configuration stub)
 Requires=xenstored.service proc-xen.mount
 After=xenstored.service proc-xen.mount
 ConditionPathExists=/proc/xen/capabilities
 
 [Service]
 Type=oneshot
 RemainAfterExit=true
-EnvironmentFile=@CONFIG_DIR@/@CONFIG_LEAF_DIR@/xencommons
+EnvironmentFile=-@CONFIG_DIR@/@CONFIG_LEAF_DIR@/xencommons
 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities
 ExecStart=@LIBEXEC_BIN@/xen-init-dom0 $XEN_DOM0_UUID
 
 [Install]
 WantedBy=multi-user.target
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