$ git clone -n http://git.inferitos.ru/rpms/trousers /var/lib/mock/inferit-8_10-bootstrap-build-38026-75799/root/chroot_tmpdir/scmroot/trousers
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-38026-75799/root/chroot_tmpdir/scmroot/trousers'...
$ git fetch origin changed/i8c-beta/trousers-0.3.15-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/trousers
 * [new tag]         changed/i8c-beta/trousers-0.3.15-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8073223 import trousers-0.3.15-2.el8