$ git clone -n https://gitee.com/yingwai/kexec-tools.git /var/lib/mock/dist-an23-build-534459-81695/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an23-build-534459-81695/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin ee8bef2b01dbfec796143627ada6d830adc0beaa:KOJI_FETCH_HEAD
From https://gitee.com/yingwai/kexec-tools
 * [new ref]         ee8bef2b01dbfec796143627ada6d830adc0beaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee8bef2 add support for riscv kexec kdump