$ git clone -n https://gitee.com/opencloudos-stream/libkperf.git /var/lib/mock/dist-oc9-epol-build-124344-73918/root/chroot_tmpdir/scmroot/libkperf
Cloning into '/var/lib/mock/dist-oc9-epol-build-124344-73918/root/chroot_tmpdir/scmroot/libkperf'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libkperf
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc2a582 !1 init libkperf-v1.2.1 Merge pull request !1 from jiaxinyyang/master