$ git clone -n https://gitee.com/robinorg/kexec-tools.git /var/lib/mock/dist-an23.2-build-434958-73106/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an23.2-build-434958-73106/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git fetch origin a8c5ccdd1b67a7a9b76172f494ce102d02e8967e:KOJI_FETCH_HEAD
From https://gitee.com/robinorg/kexec-tools
 * [new ref]         a8c5ccdd1b67a7a9b76172f494ce102d02e8967e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8c5ccd LoongArch: Backport upstream patch to fix KVM kexec issue.