$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-ucd-segment.git /var/lib/mock/f40-build-2644295-66501/root/chroot_tmpdir/scmroot/rust-unic-ucd-segment
Cloning into '/var/lib/mock/f40-build-2644295-66501/root/chroot_tmpdir/scmroot/rust-unic-ucd-segment'...
$ git fetch origin 1487d1aff403c78d7feaa998d973e72d6b7c46cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-ucd-segment
 * [new ref]         1487d1aff403c78d7feaa998d973e72d6b7c46cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1487d1a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild