$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-filter.git /var/lib/mock/f40-build-1807573-24881/root/chroot_tmpdir/scmroot/rust-gix-filter
Cloning into '/var/lib/mock/f40-build-1807573-24881/root/chroot_tmpdir/scmroot/rust-gix-filter'...
$ git fetch origin 27c1dae66bed6016a4ffb1e016b3ecb8fc88c6a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-filter
 * [new ref]         27c1dae66bed6016a4ffb1e016b3ecb8fc88c6a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27c1dae Update to version 0.11.3 (rhbz#2299570)