$ git clone -n https://src.fedoraproject.org/rpms/elfio.git /var/lib/mock/f40-build-2277275-55215/root/chroot_tmpdir/scmroot/elfio
Cloning into '/var/lib/mock/f40-build-2277275-55215/root/chroot_tmpdir/scmroot/elfio'...
$ git fetch origin c73fd42f88ebfd490601a032f387bbfc10ee08b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elfio
 * [new ref]         c73fd42f88ebfd490601a032f387bbfc10ee08b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c73fd42 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild