$ git clone -n https://src.fedoraproject.org/rpms/libunwind.git /var/lib/mock/f29-build-5971-1342/root/thebuilddir/tmp/scmroot/libunwind
Cloning into '/var/lib/mock/f29-build-5971-1342/root/thebuilddir/tmp/scmroot/libunwind'...
$ git reset --hard aacb7d40c89929d5851113255a9319669c6eb013
HEAD is now at aacb7d4 Escape macros in %changelog