$ git clone -n https://gitee.com/src-anolis-os/mailx.git /var/lib/mock/dist-an23.3-riscv-build-437684-73130/root/chroot_tmpdir/scmroot/mailx
Cloning into '/var/lib/mock/dist-an23.3-riscv-build-437684-73130/root/chroot_tmpdir/scmroot/mailx'...
$ git fetch origin 874cfb4e45624449a8fc68a3530c09ca27dc0b8c:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/mailx
 * [new ref]         874cfb4e45624449a8fc68a3530c09ca27dc0b8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 874cfb4 delete the package because of the mailx has been replaced by s-nail