$ git clone -n https://src.fedoraproject.org/rpms/rubygem-treetop.git /var/lib/mock/f40-build-2639393-66356/root/chroot_tmpdir/scmroot/rubygem-treetop
Cloning into '/var/lib/mock/f40-build-2639393-66356/root/chroot_tmpdir/scmroot/rubygem-treetop'...
$ git fetch origin 1965695020ee5aa39d65aa5e6f4ba87a078edf2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-treetop
 * [new ref]         1965695020ee5aa39d65aa5e6f4ba87a078edf2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1965695 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild