$ git clone -n https://src.fedoraproject.org/rpms/rust-is-terminal.git /var/lib/mock/f45-build-42669-795/root/chroot_tmpdir/scmroot/rust-is-terminal
Cloning into '/var/lib/mock/f45-build-42669-795/root/chroot_tmpdir/scmroot/rust-is-terminal'...
$ git fetch origin 14c7904c5f91ff3b46d44adcd97cbb92763ec49e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-is-terminal
 * [new ref]         14c7904c5f91ff3b46d44adcd97cbb92763ec49e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14c7904 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild