sorted.
mnt must be an absolute path rather than relative (which I was using).
replaced:
--installroot=mnt
with
--installroot=/full/path/mnt
and all's good now.
Yum install in chroot directory
sorted.
mnt must be an absolute path rather than relative (which I was using).
replaced:
--installroot=mnt
with
--installroot=/full/path/mnt
and all's good now.