$ git clone -n https://src.fedoraproject.org/rpms/am-utils.git /var/lib/mock/f39-build-1624880-39108/root/chroot_tmpdir/scmroot/am-utils
Cloning into '/var/lib/mock/f39-build-1624880-39108/root/chroot_tmpdir/scmroot/am-utils'...
$ git fetch origin 3c402764ffa0dff54e5ef46a740a3902fdb244cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/am-utils
 * [new ref]         3c402764ffa0dff54e5ef46a740a3902fdb244cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c40276 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild