$ git clone -n http://git.inferitos.ru/rpms/rubygem-tilt.git /var/lib/mock/inferit-9-epel-build-20649-34438/root/chroot_tmpdir/scmroot/rubygem-tilt
Cloning into '/var/lib/mock/inferit-9-epel-build-20649-34438/root/chroot_tmpdir/scmroot/rubygem-tilt'...
$ git fetch origin 3ed2115710660e27800f72186dda37a70e3d5d76:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rubygem-tilt
 * [new ref]         3ed2115710660e27800f72186dda37a70e3d5d76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ed2115 import rubygem-tilt-2.0.11-1.el9