$ git clone -n https://gitee.com/zhangwenlong01/virt-viewer.git /var/lib/mock/dist-an23-build-506221-74854/root/chroot_tmpdir/scmroot/virt-viewer
Cloning into '/var/lib/mock/dist-an23-build-506221-74854/root/chroot_tmpdir/scmroot/virt-viewer'...
$ git fetch origin 884fd0d01c32cc1b82c25505061167a5c0868af9:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/virt-viewer
 * [new ref]         884fd0d01c32cc1b82c25505061167a5c0868af9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 884fd0d rebuild for loongarch64