$ git clone -n https://src.fedoraproject.org/rpms/rust-wmidi.git /var/lib/mock/f45-build-46242-832/root/chroot_tmpdir/scmroot/rust-wmidi
Cloning into '/var/lib/mock/f45-build-46242-832/root/chroot_tmpdir/scmroot/rust-wmidi'...
$ git fetch origin d409768d83d01a5de888da2fec9fcdc91c31aa2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wmidi
 * [new ref]         d409768d83d01a5de888da2fec9fcdc91c31aa2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d409768 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild