make_opensource.sh

   1 #!/bin/sh
   2
   3 #
   4 # This script processes the directory hierarchy
   5 # passed to it and eliminates all source code,
   6 # makefile fragments, and documentation that is
   7 # not suitable for open source posting.
   8 #
   9
  10 OPENSOURCE=1
  11
  12 DST=/tmp/hfs-open-source
  13
  14 rm -rf $DST
  15 mkdir $DST
  16 xcodebuild installsrc SRCROOT=$DST
  17
  18 SRCROOT="$DST"
  19
  20 if [ ! -d "${SRCROOT}" ]; then
  21     echo "Could not access ${SRCROOT}" 1>&2
  22     exit 1
  23 fi
  24
  25
  26 UNIFDEF_FLAGS=""
  27 if [ "$OPENSOURCE" -eq 1 ]; then
  28     UNIFDEF_FLAGS="$UNIFDEF_FLAGS -D_OPEN_SOURCE_ -D__OPEN_SOURCE__ -U__arm__ -Uarm -UARM -U__ARM__ -U__arm64__ -Uarm64 -UARM64 -U__ARM64__ -UTARGET_OS_EMBEDDED -UHFS_CONFIG_KEY_ROLL"
  29 fi
  30
  31 # From this point forward, all paths are ./-relative
  32 cd "${SRCROOT}"
  33
  34 find -d . -name .open_source_exclude | while read f; do
  35     dir=`dirname $f`
  36     if [ -s $f ]; then
  37         cat $f | while read g; do
  38             if [ -n "$g" ]; then
  39                 echo "Removing $dir/$g (Listed in $f)"
  40                 rm -f "$dir/$g" || exit 1
  41             else
  42                 echo "Bad entry '$g' in $f"
  43                 exit 1
  44             fi
  45         done
  46         if [ $? -ne 0 ]; then
  47             exit 1
  48         fi
  49     else
  50         echo "Removing $dir (Contains empty $f)"
  51         rm -rf "$dir"
  52     fi
  53     rm -f "$f"
  54 done
  55
  56 if [ $? -ne 0 ]; then
  57     # Propagate error from sub-shell invocation above
  58     exit 1
  59 fi
  60
  61 function stripfile() {
  62     local extraflags="$1"
  63     local path="$2"
  64
  65     unifdef $extraflags $UNIFDEF_FLAGS $path > $path.new
  66     if [ $? -eq 0  ]; then
  67             # no change
  68         rm $path.new
  69     else
  70         if [ $? -eq 2 ]; then
  71             echo "Problems parsing $path, removing..."
  72             rm $path.new $path
  73         else
  74             if [ -s $path.new ]; then
  75                 echo "Modified $path"
  76                 mv -f $path.new $path
  77             else
  78                 echo "Removing empty $path"
  79                 rm -f $path.new $path
  80             fi
  81         fi
  82     fi
  83 }
  84
  85 # C/C++ Source files
  86 find . \( -type f -o -type l \) -a \( -name "*.[chy]" -o -name "*.cpp" \) | while read f; do
  87             stripfile "" "$f"
  88 done
  89
  90 # Free-form plain text files
  91 find . \( -type f -o -type l \) -a \( -name "*.[sS]" -o -name "*.sh" -o -name "README" -o -name "*.py" \) | while read f; do
  92             stripfile "-t" "$f"
  93             case "$f" in
  94                 *.sh)
  95                     chmod +x "$f"
  96                     ;;
  97             esac
  98 done
  99
 100 # Remove project references
 101 grep -i -v -E '(hfs_key_roll)' ./hfs.xcodeproj/project.pbxproj > ./hfs.xcodeproj/project.pbxproj.new
 102 mv -f ./hfs.xcodeproj/project.pbxproj.new ./hfs.xcodeproj/project.pbxproj
 103
 104 # Check for remaining bad file names
 105 BADFILES=`find . \( -name "*.arm*" -o -name "arm*" \) | xargs echo`;
 106 if [ -n "$BADFILES" ]; then
 107     echo "Bad file names $BADFILES"
 108     exit 1
 109 fi
 110
 111 # Check for remaining bad file contents
 112 if grep -iEr '([^UD_]_?_OPEN_SOURCE_|XNU_HIDE_SEED|XNU_HIDE_HARDWARE|CONFIG_EMBEDDED)' .; then
 113     echo "cleanup FAILURE"
 114     exit 1
 115 else
 116     echo "done"
 117     exit 0
 118 fi