$ git clone -n http://git.inferitos.ru/rpms/coreos-installer /var/lib/mock/inferit-8_8-build-13202-22779/root/chroot_tmpdir/scmroot/coreos-installer
Cloning into '/var/lib/mock/inferit-8_8-build-13202-22779/root/chroot_tmpdir/scmroot/coreos-installer'...
$ git fetch origin changed/i8c/coreos-installer-0.15.0-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/coreos-installer
 * [new tag]         changed/i8c/coreos-installer-0.15.0-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b37e8c edit changelog for import coreos-installer-0.15.0-2.el8