$ git clone -n https://gitee.com/zhangwenlong01/lilypond.git /var/lib/mock/dist-an23-build-504413-74854/root/chroot_tmpdir/scmroot/lilypond
Cloning into '/var/lib/mock/dist-an23-build-504413-74854/root/chroot_tmpdir/scmroot/lilypond'...
$ git fetch origin 4f7d0a1930696551980d41fa2bb3dfd8d26943f4:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/lilypond
 * [new ref]         4f7d0a1930696551980d41fa2bb3dfd8d26943f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f7d0a1 rebuild for loongarch64