$ git clone -n https://gitee.com/robinorg/kexec-tools.git /var/lib/mock/dist-an23.3-build-434932-73067/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an23.3-build-434932-73067/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin c9cc8921f71d0fc758e76b9acc8324e311c7d5e3:KOJI_FETCH_HEAD
From https://gitee.com/robinorg/kexec-tools
 * [new ref]         c9cc8921f71d0fc758e76b9acc8324e311c7d5e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9cc892 LoongArch: Backport upstream patch to fix KVM kexec issue.