1#!/bin/bash 2 3# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. 4# 5# Use of this source code is governed by a BSD-style license 6# that can be found in the LICENSE file in the root of the source 7# tree. An additional intellectual property rights grant can be found 8# in the file PATENTS. All contributing project authors may 9# be found in the AUTHORS file in the root of the source tree. 10 11# This script is run in a git repository. It lists all header files, 12# sorted by the number of other files where the file name of the file 13# occurs. It is intentionally not limited to only source files, and 14# there may be some false hits because we search only for the file 15# part (sans directory). It is quite slow. 16# 17# Headers close to the top of the list are candidates for removal. 18 19# If the name includes at most one directory, keep name unchanged, 20# otherwise strip directories. Needed to work with relative #includes 21# which are used in some parts of the tree, while still avoiding, 22# e.g., api/foo.h to match includes of pc/foo.h. 23simplify_name () { 24 if expr "$1" : '.*/.*/' > /dev/null ; then 25 basename "$1" 26 else 27 echo "$1" 28 fi 29} 30 31git ls-files '*.h' '*.hpp' | while read header ; do 32 name="$(simplify_name "${header}")" 33 count="$(git grep -l -F "${name}" \ 34 | grep -v -e '\.gn' -e '\.gyp' \ 35 | wc -l)" 36 echo "${count}" "${header}" 37done | sort -n 38