Merge pull request #145 from ottok/ok-debpkg-10.0

MDEV-9354: Debian: unmask the mysql.service on installation

debian/dist/Debian/mariadb-server-10.0.postinst

@@ -264,6 +264,11 @@ fi
 
 db_stop # in case invoke failes
 
+# If we upgrade from MySQL mysql.service may be masked, which also
+# means init.d script is disabled. Unmask mysql service explicitely.
+# Ignore exit code as command is not available everywhere.
+deb-systemd-helper unmask mysql.service > /dev/null || true
+
 #DEBHELPER#
 
 exit 0

debian/dist/Ubuntu/mariadb-server-10.0.postinst

@@ -280,6 +280,11 @@ fi
 
 db_stop # in case invoke failes
 
+# If we upgrade from MySQL mysql.service may be masked, which also
+# means init.d script is disabled. Unmask mysql service explicitely.
+# Ignore exit code as command is not available everywhere.
+deb-systemd-helper unmask mysql.service > /dev/null || true
+
 #DEBHELPER#
 
 exit 0