$ git clone -n https://src.fedoraproject.org/rpms/rust-libflate_lz77.git /var/lib/mock/f41-build-700702-12889/root/chroot_tmpdir/scmroot/rust-libflate_lz77
Cloning into '/var/lib/mock/f41-build-700702-12889/root/chroot_tmpdir/scmroot/rust-libflate_lz77'...
$ git fetch origin 7f9be3bac640557d30386bc8eb3ece9500af7419:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libflate_lz77
 * [new ref]         7f9be3bac640557d30386bc8eb3ece9500af7419 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f9be3b Drop libflate to break circular dependency