$ git clone -n https://gitee.com/src-anolis-os/eigen3.git /mnt/mock/kojid//dist-an23.3-riscv-build-436089-73130/root/chroot_tmpdir/scmroot/eigen3
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-436089-73130/root/chroot_tmpdir/scmroot/eigen3'...
$ git fetch origin a92e5df04c5d4809c2613c89e67402d0481ee4ab:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/eigen3
 * [new ref]         a92e5df04c5d4809c2613c89e67402d0481ee4ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a92e5df !1 init pacakge from upstream(waiting for sparsehash ) Merge pull request !1 from happy_orange/a23