$ git clone -n https://src.fedoraproject.org/rpms/reposurgeon.git /var/lib/mock/f42-build-3421938-45166/root/chroot_tmpdir/scmroot/reposurgeon
Cloning into '/var/lib/mock/f42-build-3421938-45166/root/chroot_tmpdir/scmroot/reposurgeon'...
$ git fetch origin 9ebf30895ea6738e86c1d5a0da29016f5810f549:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/reposurgeon
 * [new ref]         9ebf30895ea6738e86c1d5a0da29016f5810f549 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ebf308 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild