$ git clone -n https://src.fedoraproject.org/rpms/ongres-stringprep.git /var/lib/mock/f40-build-2506633-61702/root/chroot_tmpdir/scmroot/ongres-stringprep
Cloning into '/var/lib/mock/f40-build-2506633-61702/root/chroot_tmpdir/scmroot/ongres-stringprep'...
$ git fetch origin 66bad84a02395d3a4627961e32ebf45c35430a98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ongres-stringprep
 * [new ref]         66bad84a02395d3a4627961e32ebf45c35430a98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66bad84 Rebuilt for java-21-openjdk as system jdk