$ git clone -n https://src.fedoraproject.org/rpms/crest.git /var/lib/mock/f40-build-796702-140843/root/chroot_tmpdir/scmroot/crest
Cloning into '/var/lib/mock/f40-build-796702-140843/root/chroot_tmpdir/scmroot/crest'...
$ git fetch origin e5fb7f9a0c643befcfe3653616ea6fbc99a63633:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crest
 * [new ref]         e5fb7f9a0c643befcfe3653616ea6fbc99a63633 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5fb7f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild