$ git clone -n https://src.fedoraproject.org/rpms/rubygem-bindex.git /var/lib/mock/f40-build-2224098-52767/root/chroot_tmpdir/scmroot/rubygem-bindex
Cloning into '/var/lib/mock/f40-build-2224098-52767/root/chroot_tmpdir/scmroot/rubygem-bindex'...
$ git fetch origin 28d1ac466f2f7f296452cad9d109fd93de683dc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-bindex
 * [new ref]         28d1ac466f2f7f296452cad9d109fd93de683dc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28d1ac4 Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.3