$ git clone -n https://src.fedoraproject.org/rpms/rust-input-sys.git /var/lib/mock/f45-build-42589-795/root/chroot_tmpdir/scmroot/rust-input-sys
Cloning into '/var/lib/mock/f45-build-42589-795/root/chroot_tmpdir/scmroot/rust-input-sys'...
$ git fetch origin bb830034500edca20bc7a7dd7ecc751a8748ad21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-input-sys
 * [new ref]         bb830034500edca20bc7a7dd7ecc751a8748ad21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb83003 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild