$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-object.git /var/lib/mock/f40-build-1858902-24992/root/chroot_tmpdir/scmroot/rust-gix-object
Cloning into '/var/lib/mock/f40-build-1858902-24992/root/chroot_tmpdir/scmroot/rust-gix-object'...
$ git fetch origin 404a7d361e9056e2d9ceba60656d67b3fdfb76e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-object
 * [new ref]         404a7d361e9056e2d9ceba60656d67b3fdfb76e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 404a7d3 Update to version 0.42.3