$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-filter.git /var/lib/mock/f38-build-side-43-rust-devel-1420565-31461/root/chroot_tmpdir/scmroot/rust-gix-filter
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1420565-31461/root/chroot_tmpdir/scmroot/rust-gix-filter'...
$ git fetch origin 005eca1cff5127a896d4fb7c6a9e3b398d366fc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-filter
 * [new ref]         005eca1cff5127a896d4fb7c6a9e3b398d366fc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 005eca1 Update to version 0.6.0