$ git clone -n https://gitee.com/wenyuzifang/libpfm.git /var/lib/mock/dist-an23-build-480778-74252/root/chroot_tmpdir/scmroot/libpfm
Cloning into '/var/lib/mock/dist-an23-build-480778-74252/root/chroot_tmpdir/scmroot/libpfm'...
$ git fetch origin 0a20ebaae5ae9710f5412ac7dcf5d2c4fe70f81a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpfm
 * [new ref]         0a20ebaae5ae9710f5412ac7dcf5d2c4fe70f81a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a20eba Update code from upstream