$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-filter.git /var/lib/mock/f41-build-side-1-2923829-34983/root/chroot_tmpdir/scmroot/rust-gix-filter
Cloning into '/var/lib/mock/f41-build-side-1-2923829-34983/root/chroot_tmpdir/scmroot/rust-gix-filter'...
$ git fetch origin 034c3e61316d91cd6acb8210f612e9a31b2b8238:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-filter
 * [new ref]         034c3e61316d91cd6acb8210f612e9a31b2b8238 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 034c3e6 Update to version 0.13.0 (rhbz#2307382)