$ git clone -n https://gitee.com/wenyuzifang/libpfm.git /var/lib/mock/dist-an23-build-469776-74027/root/chroot_tmpdir/scmroot/libpfm
Cloning into '/var/lib/mock/dist-an23-build-469776-74027/root/chroot_tmpdir/scmroot/libpfm'...
$ git fetch origin ffd9517341a29dfb5b83a0381f6f4c5ad96a137b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpfm
 * [new ref]         ffd9517341a29dfb5b83a0381f6f4c5ad96a137b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffd9517 Update code from upstream