$ git clone -n https://src.fedoraproject.org/rpms/starplot.git /var/lib/mock/f40-build-2224974-52802/root/chroot_tmpdir/scmroot/starplot
Cloning into '/var/lib/mock/f40-build-2224974-52802/root/chroot_tmpdir/scmroot/starplot'...
$ git fetch origin 0c402b17f84749d90aa7018ef88dd47ffee96d10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/starplot
 * [new ref]         0c402b17f84749d90aa7018ef88dd47ffee96d10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c402b1 SPDX migration