$ git clone -n https://gitee.com/robinorg/kexec-tools.git /var/lib/mock/dist-an23.2-build-435023-73106/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an23.2-build-435023-73106/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin ddf578de8121851325770f9706b94344cb15c642:KOJI_FETCH_HEAD
From https://gitee.com/robinorg/kexec-tools
 * [new ref]         ddf578de8121851325770f9706b94344cb15c642 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddf578d LoongArch: Backport upstream patch to fix KVM kexec issue.