$ git clone -n https://src.fedoraproject.org/rpms/rust-ufmt-write.git /var/lib/mock/f45-build-45835-828/root/chroot_tmpdir/scmroot/rust-ufmt-write
Cloning into '/var/lib/mock/f45-build-45835-828/root/chroot_tmpdir/scmroot/rust-ufmt-write'...
$ git fetch origin eaede2dc2ca0f2af7fb76db9e07acb11ecc28eea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ufmt-write
 * [new ref]         eaede2dc2ca0f2af7fb76db9e07acb11ecc28eea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaede2d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild