$ git clone -n https://gitee.com/yan1hcdc/perl-Sys-CPU.git /var/lib/mock/dist-an23-build-444015-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU
Cloning into '/var/lib/mock/dist-an23-build-444015-73188/root/chroot_tmpdir/scmroot/perl-Sys-CPU'...
$ git fetch origin ae02062070bf5c452758b4c7fb6aa43aa4486979:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/perl-Sys-CPU
 * [new ref]         ae02062070bf5c452758b4c7fb6aa43aa4486979 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae02062 add support for riscv build