$ git clone -n https://src.fedoraproject.org/rpms/kinfocenter.git /var/lib/mock/f40-build-2241641-53669/root/chroot_tmpdir/scmroot/kinfocenter
Cloning into '/var/lib/mock/f40-build-2241641-53669/root/chroot_tmpdir/scmroot/kinfocenter'...
$ git fetch origin b108e8c8eceb0111142d8c351082daef95953710:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kinfocenter
 * [new ref]         b108e8c8eceb0111142d8c351082daef95953710 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b108e8c 5.92.0