$ git clone -n https://src.fedoraproject.org/rpms/libnet.git /var/lib/mock/f42-build-3273891-41313/root/chroot_tmpdir/scmroot/libnet
Cloning into '/var/lib/mock/f42-build-3273891-41313/root/chroot_tmpdir/scmroot/libnet'...
$ git fetch origin e70571c596bba67a094326bed062d6630290e123:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnet
 * [new ref]         e70571c596bba67a094326bed062d6630290e123 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e70571c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild