saving uncommitted changes in /etc prior to emerge run

diff --git a/libvirt/libvirtd.conf b/libvirt/libvirtd.conf
index d2c439c72256973d2190cc4bddabc3a660efe034..1c1fa7fe3aa79bc0dcf8684a7627eb6c333f22d2 100644 (file)
--- a/libvirt/libvirtd.conf
+++ b/libvirt/libvirtd.conf
@@ -410,10 +410,16 @@
 
 ###################################################################
 # UUID of the host:
-# Provide the UUID of the host here in case the command
-# 'dmidecode -s system-uuid' does not provide a valid uuid. In case
-# 'dmidecode' does not provide a valid UUID and none is provided here, a
-# temporary UUID will be generated.
+# Host UUID is read from one of the sources specified in host_uuid_source.
+#
+# - 'smbios': fetch the UUID from 'dmidecode -s system-uuid'
+# - 'machine-id': fetch the UUID from /etc/machine-id
+#
+# The host_uuid_source default is 'smbios'. If 'dmidecode' does not provide
+# a valid UUID a temporary UUID will be generated.
+#
+# Another option is to specify host UUID in host_uuid.
+#
 # Keep the format of the example UUID below. UUID must not have all digits
 # be the same.
 
@@ -421,6 +427,7 @@
 # it with the output of the 'uuidgen' command and then
 # uncomment this entry
 #host_uuid = "00000000-0000-0000-0000-000000000000"
+#host_uuid_source = "smbios"
 
 ###################################################################
 # Keepalive protocol: