$ git clone -n https://src.fedoraproject.org/rpms/rust-gix.git /var/lib/mock/f40-build-2651091-66880/root/chroot_tmpdir/scmroot/rust-gix
Cloning into '/var/lib/mock/f40-build-2651091-66880/root/chroot_tmpdir/scmroot/rust-gix'...
$ git fetch origin 49485abf1cb03863ed4c5962f500d3436e9d18e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix
 * [new ref]         49485abf1cb03863ed4c5962f500d3436e9d18e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49485ab Re-enable status feature (gix-status is now packaged)