git: Make sure to really include all files of the current directory when unpacking a tarball
git: Make sure to really include all files of the current directory when unpacking a tarball

Especially include hidden files in the root of the source tree and
files that are hidden be various .gitignore files.

nzjrs/cerbero,fluendo/cerbero,nirbheek/cerbero,centricular/cerbero,justinjoy/cerbero,GStreamer/cerbero,atsushieno/cerbero,AlertMe/cerbero,justinjoy/cerbero,nirbheek/cerbero,OptoFidelity/cerbero,fluendo/cerbero,sdroege/cerbero,nirbheek/cerbero-old,lubosz/cerbero,EricssonResearch/cerbero,lubosz/cerbero,nzjrs/cerbero,ford-prefect/cerbero,jackjansen/cerbero,ramaxlo/cerbero,ford-prefect/cerbero,ford-prefect/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,shoreflyer/cerbero,multipath-rtp/cerbero,EricssonResearch/cerbero,superdump/cerbero,ikonst/cerbero,ramaxlo/cerbero,flexVDI/cerbero,jackjansen/cerbero,atsushieno/cerbero,AlertMe/cerbero,justinjoy/cerbero,OptoFidelity/cerbero,GStreamer/cerbero,ikonst/cerbero,ikonst/cerbero,brion/cerbero,atsushieno/cerbero,superdump/cerbero,nirbheek/cerbero-old,lubosz/cerbero,fluendo/cerbero,OptoFidelity/cerbero,shoreflyer/cerbero,flexVDI/cerbero,ramaxlo/cerbero,atsushieno/cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,multipath-rtp/cerbero,jackjansen/cerbero,OptoFidelity/cerbero,EricssonResearch/cerbero,nzjrs/cerbero,ikonst/cerbero,multipath-rtp/cerbero,nirbheek/cerbero-old,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,EricssonResearch/cerbero,centricular/cerbero,ramaxlo/cerbero,GStreamer/cerbero,sdroege/cerbero,ikonst/cerbero,sdroege/cerbero,sdroege/cerbero,nirbheek/cerbero,flexVDI/cerbero,ramaxlo/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,justinjoy/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,brion/cerbero,AlertMe/cerbero,AlertMe/cerbero,GStreamer/cerbero,centricular/cerbero,superdump/cerbero,flexVDI/cerbero,shoreflyer/cerbero,lubosz/cerbero,centricular/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,fluendo/cerbero,EricssonResearch/cerbero,superdump/cerbero,fluendo/cerbero,brion/cerbero,nirbheek/cerbero-old,ford-prefect/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,flexVDI/cerbero,GStreamer/cerbero,nzjrs/cerbero,shoreflyer/cerbero,brion/cerbero,AlertMe/cerbero,multipath-rtp/cerbero,jackjansen/cerbero,nzjrs/cerbero,sdroege/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,nirbheek/cerbero,centricular/cerbero,brion/cerbero