$ git clone -n https://gitee.com/yingwai/kexec-tools.git /var/lib/mock/dist-an23-build-534489-81700/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an23-build-534489-81700/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin 4ee52e073c1cc16448f24893696f49362e9ef341:KOJI_FETCH_HEAD
From https://gitee.com/yingwai/kexec-tools
 * [new ref]         4ee52e073c1cc16448f24893696f49362e9ef341 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ee52e0 add support for riscv kexec kdump