$ git clone -n https://src.fedoraproject.org/rpms/kompare.git /var/lib/mock/f41-build-side-1-2647413-27302/root/chroot_tmpdir/scmroot/kompare
Cloning into '/var/lib/mock/f41-build-side-1-2647413-27302/root/chroot_tmpdir/scmroot/kompare'...
$ git fetch origin 56930f5d813952078d45d43b24917e43a988937f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kompare
 * [new ref]         56930f5d813952078d45d43b24917e43a988937f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56930f5 24.08.0