$ git clone -n https://gitee.com/yan1hcdc/perl-Sys-CPU.git /var/lib/mock/dist-an23-build-444009-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU
Cloning into '/var/lib/mock/dist-an23-build-444009-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU'...
$ git fetch origin f0936e6d4a8f2921b39eb6d1097125afcba89854:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/perl-Sys-CPU
 * [new ref]         f0936e6d4a8f2921b39eb6d1097125afcba89854 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0936e6 add support for riscv build