$ git clone -n https://gitee.com/src-anolis-os/re2.git /mnt/mock/kojid//dist-an23.3-riscv-build-439273-73130/root/chroot_tmpdir/scmroot/re2
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-439273-73130/root/chroot_tmpdir/scmroot/re2'...
$ git fetch origin 257ec2d6f98c39f66fc3c32c436d41b7ab18673e:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/re2
 * [new ref]         257ec2d6f98c39f66fc3c32c436d41b7ab18673e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 257ec2d package init from upstream