pwx_local/cleanup_headers.sh

   1 #!/bin/bash
   2
   3 src_files=( $(find -type f -name '*.c') )
   4 hdr_files=( $(find -type f -name '*.h') )
   5
   6 # Is this a meson build?
   7 isMeson=0
   8 if [[ -f meson.build ]]; then
   9         isMeson=1
  10 fi
  11
  12 for hdr in $(find -type f -name '*.h') ; do
  13         h_dir="$(basename $(dirname $hdr))"
  14         h_file="$(basename $hdr .h)"
  15
  16         # Is it listed in the Makefile.am or meson.build?
  17         if [[ 1 -eq $isMeson ]]; then
  18                 if [[ 0 -lt $(grep -c "$h_dir/${h_file}.c" meson.build) ]] || \
  19                    [[ 0 -lt $(grep -c "$h_dir/${h_file}.h" meson.build) ]]; then
  20                         # It is needed.
  21                         continue 1
  22                 fi
  23         else
  24                 if [[ 0 -lt $(grep -c "$h_dir/${h_file}.c" Makefile.am) ]] || \
  25                    [[ 0 -lt $(grep -c "$h_dir/${h_file}.h" Makefile.am) ]]; then
  26                         # It is needed.
  27                         continue 1
  28                 fi
  29         fi
  30
  31         # Is it included in any source files?
  32         for src in "${src_files[@]}" ; do
  33                 is_inc=$(grep -P '^#include' $src | grep -c "${h_file}.h")
  34                 if [[ 0 -lt $is_inc ]]; then
  35                         # it is indeed
  36                         continue 2
  37                 fi
  38         done
  39
  40         # Is it included in any header files?
  41         for src in "${hdr_files[@]}" ; do
  42
  43                 # If we already removed $src, skip it
  44                 [ -f "$src" ] || continue 1
  45
  46                 is_inc=$(grep '#include' $src | grep -c "${h_file}.h")
  47                 if [[ 0 -lt $is_inc ]]; then
  48                         # it is indeed
  49                         continue 2
  50                 fi
  51         done
  52
  53         # As it was not included, remove it.
  54         git rm $hdr
  55 done