$ git clone -n https://src.fedoraproject.org/rpms/rust-ucd-parse.git /var/lib/mock/f45-build-45820-828/root/chroot_tmpdir/scmroot/rust-ucd-parse
Cloning into '/var/lib/mock/f45-build-45820-828/root/chroot_tmpdir/scmroot/rust-ucd-parse'...
$ git fetch origin c75ec5d8cac8c5775c756bd6002f841eaa925e32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ucd-parse
 * [new ref]         c75ec5d8cac8c5775c756bd6002f841eaa925e32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c75ec5d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild