$ git clone -n https://src.fedoraproject.org/rpms/rust-outref.git /var/lib/mock/f45-build-43602-804/root/chroot_tmpdir/scmroot/rust-outref
Cloning into '/var/lib/mock/f45-build-43602-804/root/chroot_tmpdir/scmroot/rust-outref'...
$ git fetch origin 046dba35dd4db357aad4529b0ae5c8b16dd0a814:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-outref
 * [new ref]         046dba35dd4db357aad4529b0ae5c8b16dd0a814 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 046dba3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild