/etc/xen/scripts/hotplugpath.sh is in xen-utils-common 4.6.0-1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | sbindir="/usr/sbin"
bindir="/usr/bin"
LIBEXEC="/usr/lib/xen-4.6"
LIBEXEC_BIN="/usr/lib/xen-4.6/bin"
libdir="/usr/lib"
SHAREDIR="/usr/share"
XENFIRMWAREDIR="/usr/lib/xen-4.6/boot"
XEN_CONFIG_DIR="/etc/xen"
XEN_SCRIPT_DIR="/etc/xen/scripts"
XEN_LOCK_DIR="/var/lock"
XEN_RUN_DIR="/var/run/xen"
XEN_PAGING_DIR="/var/lib/xen/xenpaging"
XEN_DUMP_DIR="/var/lib/xen/dump"
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