$ git clone -n http://git.inferitos.ru/rpms/trousers /var/lib/mock/inferit-8_8-build-13028-22779/root/chroot_tmpdir/scmroot/trousers
Cloning into '/var/lib/mock/inferit-8_8-build-13028-22779/root/chroot_tmpdir/scmroot/trousers'...
$ git fetch origin changed/i8c/trousers-0.3.15-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/trousers
 * [new tag]         changed/i8c/trousers-0.3.15-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f71495 edit changelog for import trousers-0.3.15-1.el8