$ git clone -n https://gitee.com/yan1hcdc/perl-Sys-CPU.git /var/lib/mock/dist-an23-build-442992-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU
Cloning into '/var/lib/mock/dist-an23-build-442992-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU'...
$ git fetch origin 09edbe786218119489a9979af726cf281ad4e6e1:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/perl-Sys-CPU
 * [new ref]         09edbe786218119489a9979af726cf281ad4e6e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09edbe7 add support for riscv build