$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-revwalk.git /var/lib/mock/f38-build-side-43-rust-devel-1422927-31472/root/chroot_tmpdir/scmroot/rust-gix-revwalk
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1422927-31472/root/chroot_tmpdir/scmroot/rust-gix-revwalk'...
$ git fetch origin 82e8a7a82a52cbd9a70db5535f6654014d7c444f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-revwalk
 * [new ref]         82e8a7a82a52cbd9a70db5535f6654014d7c444f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82e8a7a Update to version 0.9.0