$ git clone -n https://src.fedoraproject.org/rpms/gperf.git /var/lib/mock/f40-build-787059-134732/root/chroot_tmpdir/scmroot/gperf
Cloning into '/var/lib/mock/f40-build-787059-134732/root/chroot_tmpdir/scmroot/gperf'...
$ git fetch origin aa0b67ea65fb5325bffbcd9fa7482ae22a9264cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gperf
 * [new ref]         aa0b67ea65fb5325bffbcd9fa7482ae22a9264cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa0b67e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild