$ git clone -n https://gitee.com/xiang-zao/kexec-tools_3.git /var/lib/mock/dist-an23.3-build-498325-74660/root/chroot_tmpdir/scmroot/kexec-tools_3
Cloning into '/var/lib/mock/dist-an23.3-build-498325-74660/root/chroot_tmpdir/scmroot/kexec-tools_3'...
$ git fetch origin a485e62c72b902bf5326586a8cd2b40e5accb288:KOJI_FETCH_HEAD
From https://gitee.com/xiang-zao/kexec-tools_3
 * [new ref]         a485e62c72b902bf5326586a8cd2b40e5accb288 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a485e62 set nr_cpus=2 to avoid irq insufficiency