$ git clone -n https://src.fedoraproject.org/rpms/rust-ghost.git /var/lib/mock/f38-build-side-42-init-devel-1393706-31050/root/chroot_tmpdir/scmroot/rust-ghost
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1393706-31050/root/chroot_tmpdir/scmroot/rust-ghost'...
$ git fetch origin 6671c5bfd91b69b5c08f3870d45f560b2318747b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ghost
 * [new ref]         6671c5bfd91b69b5c08f3870d45f560b2318747b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6671c5b Update to version 0.1.14; Fixes RHBZ#2224476