$ git clone -n https://gitee.com/opencloudos-stream/perl-Net-SFTP-Foreign.git /var/lib/mock/dist-oc9-epol-build-109234-67366/root/chroot_tmpdir/scmroot/perl-Net-SFTP-Foreign
Cloning into '/var/lib/mock/dist-oc9-epol-build-109234-67366/root/chroot_tmpdir/scmroot/perl-Net-SFTP-Foreign'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Net-SFTP-Foreign
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de4129f update