scripts/ipkg-build

   1 #!/bin/sh
   2
   3 # ipkg-build -- construct a .ipk from a directory
   4 # Carl Worth <cworth@east.isi.edu>
   5 # based on a script by Steve Redler IV, steve@sr-tech.com 5-21-2001
   6 # 2003-04-25 rea@sr.unh.edu
   7 #   Updated to work on Familiar Pre0.7rc1, with busybox tar.
   8 #   Note it Requires: binutils-ar (since the busybox ar can't create)
   9 #   For UID debugging it needs a better "find".
  10 set -e
  11
  12 version=1.0
  13 FIND="$(command -v find)"
  14 FIND="${FIND:-$(command -v gfind)}"
  15 TAR="${TAR:-$(command -v tar)}"
  16 GZIP="$(command -v gzip)"
  17
  18 # try to use fixed source epoch
  19 if [ -n "$PKG_SOURCE_DATE_EPOCH" ]; then
  20         TIMESTAMP=$(date --date="@$PKG_SOURCE_DATE_EPOCH")
  21 elif [ -n "$SOURCE_DATE_EPOCH" ]; then
  22         TIMESTAMP=$(date --date="@$SOURCE_DATE_EPOCH")
  23 else
  24         TIMESTAMP=$(date)
  25 fi
  26
  27 ipkg_extract_value() {
  28         sed -e "s/^[^:]*:[[:space:]]*//"
  29 }
  30
  31 required_field() {
  32         field=$1
  33
  34         grep "^$field:" < $CONTROL/control | ipkg_extract_value
  35 }
  36
  37 pkg_appears_sane() {
  38         local pkg_dir=$1
  39
  40         local owd=$PWD
  41         cd $pkg_dir
  42
  43         PKG_ERROR=0
  44         pkg=`required_field Package`
  45         version=`required_field Version | sed 's/Version://; s/^.://g;'`
  46         arch=`required_field Architecture`
  47
  48         if echo $pkg | grep '[^a-zA-Z0-9_.+-]'; then
  49                 echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
  50                 PKG_ERROR=1;
  51         fi
  52
  53         if [ -f $CONTROL/conffiles ]; then
  54                 rm -f $CONTROL/conffiles.resolved
  55
  56                 for cf in `$FIND $(sed -e "s!^/!$pkg_dir/!" $CONTROL/conffiles) -type f`; do
  57                         echo "${cf#$pkg_dir}" >> $CONTROL/conffiles.resolved
  58                 done
  59
  60                 rm $CONTROL/conffiles
  61                 if [ -f $CONTROL/conffiles.resolved ]; then
  62                         mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  63                         chmod 0644 $CONTROL/conffiles
  64                 fi
  65         fi
  66
  67         cd $owd
  68         return $PKG_ERROR
  69 }
  70
  71 ###
  72 # ipkg-build "main"
  73 ###
  74 file_modes=""
  75 usage="Usage: $0 [-v] [-h] [-m] <pkg_directory> [<destination_directory>]"
  76 while getopts "hvm:" opt; do
  77     case $opt in
  78         v ) echo $version
  79             exit 0
  80             ;;
  81         h )     echo $usage  >&2 ;;
  82         m )     file_modes=$OPTARG ;;
  83         \? )    echo $usage  >&2
  84         esac
  85 done
  86
  87
  88 shift $(($OPTIND - 1))
  89
  90 # continue on to process additional arguments
  91
  92 case $# in
  93 1)
  94         dest_dir=$PWD
  95         ;;
  96 2)
  97         dest_dir=$2
  98         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
  99             dest_dir=$PWD
 100         fi
 101         ;;
 102 *)
 103         echo $usage >&2
 104         exit 1
 105         ;;
 106 esac
 107
 108 pkg_dir=$1
 109
 110 if [ ! -d $pkg_dir ]; then
 111         echo "*** Error: Directory $pkg_dir does not exist" >&2
 112         exit 1
 113 fi
 114
 115 # CONTROL is second so that it takes precedence
 116 CONTROL=
 117 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 118 if [ -z "$CONTROL" ]; then
 119         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 120         exit 1
 121 fi
 122
 123 if ! pkg_appears_sane $pkg_dir; then
 124         echo >&2
 125         echo "ipkg-build: Please fix the above errors and try again." >&2
 126         exit 1
 127 fi
 128
 129 tmp_dir=$dest_dir/IPKG_BUILD.$$
 130 mkdir $tmp_dir
 131
 132 echo $CONTROL > $tmp_dir/tarX
 133 cd $pkg_dir
 134 for file_mode in $file_modes; do
 135         case $file_mode in
 136         /*:*:*:*)
 137             ;;
 138         *)
 139             echo "ERROR: file modes must use absolute path and contain user:group:mode"
 140             echo "$file_mode"
 141             exit 1
 142             ;;
 143         esac
 144         path=$(echo "$file_mode" | cut -d ':' -f 1)
 145         user_group=$(echo "$file_mode" | cut -d ':' -f 2-3)
 146         mode=$(echo "$file_mode" | cut -d ':' -f 4)
 147
 148         chown "$user_group" "$pkg_dir/$path"
 149         chmod  "$mode" "$pkg_dir/$path"
 150 done
 151 $TAR -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz
 152
 153 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 154 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 155         $pkg_dir/$CONTROL/control
 156
 157 ( cd $pkg_dir/$CONTROL && $TAR --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
 158 rm $tmp_dir/tarX
 159
 160 echo "2.0" > $tmp_dir/debian-binary
 161
 162 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 163 rm -f $pkg_file
 164 ( cd $tmp_dir && $TAR --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
 165
 166 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 167 rmdir $tmp_dir
 168
 169 echo "Packaged contents of $pkg_dir into $pkg_file"