$ git clone -n https://src.fedoraproject.org/rpms/rust-shell-words.git /var/lib/mock/f45-build-44972-820/root/chroot_tmpdir/scmroot/rust-shell-words
Cloning into '/var/lib/mock/f45-build-44972-820/root/chroot_tmpdir/scmroot/rust-shell-words'...
$ git fetch origin 800b1aa53f72ef832d5328d9bcfefcb83d627074:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-shell-words
 * [new ref]         800b1aa53f72ef832d5328d9bcfefcb83d627074 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 800b1aa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild