$ git clone -n https://src.fedoraproject.org/rpms/rust-local_ipaddress.git /var/lib/mock/f41-build-side-1-3134853-39763/root/chroot_tmpdir/scmroot/rust-local_ipaddress
Cloning into '/var/lib/mock/f41-build-side-1-3134853-39763/root/chroot_tmpdir/scmroot/rust-local_ipaddress'...
$ git fetch origin 8e7f6b08635cec7a99a8992dbd4673870f87b011:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-local_ipaddress
 * [new ref]         8e7f6b08635cec7a99a8992dbd4673870f87b011 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e7f6b0 unused leaf package for more than two release cycles