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="$(which find)"
  14 FIND="${FIND:-$(which gfind)}"
  15 TAR="${TAR:-$(which tar)}"
  16
  17 ipkg_extract_value() {
  18         sed -e "s/^[^:]*:[[:space:]]*//"
  19 }
  20
  21 required_field() {
  22         field=$1
  23
  24         grep "^$field:" < $CONTROL/control | ipkg_extract_value
  25 }
  26
  27 pkg_appears_sane() {
  28         local pkg_dir=$1
  29
  30         local owd=$PWD
  31         cd $pkg_dir
  32
  33         PKG_ERROR=0
  34         pkg=`required_field Package`
  35         version=`required_field Version | sed 's/Version://; s/^.://g;'`
  36         arch=`required_field Architecture`
  37
  38         if echo $pkg | grep '[^a-zA-Z0-9_.+-]'; then
  39                 echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
  40                 PKG_ERROR=1;
  41         fi
  42
  43         if [ -f $CONTROL/conffiles ]; then
  44                 rm -f $CONTROL/conffiles.resolved
  45
  46                 for cf in `$FIND $(sed -e "s!^/!$pkg_dir/!" $CONTROL/conffiles) -type f`; do
  47                         echo "${cf#$pkg_dir}" >> $CONTROL/conffiles.resolved
  48                 done
  49
  50                 rm $CONTROL/conffiles
  51                 mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  52                 chmod 0644 $CONTROL/conffiles
  53         fi
  54
  55         cd $owd
  56         return $PKG_ERROR
  57 }
  58
  59 ###
  60 # ipkg-build "main"
  61 ###
  62 ogargs=""
  63 noclean=0
  64 usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
  65 while getopts "cg:ho:v" opt; do
  66     case $opt in
  67         o ) owner=$OPTARG
  68             ogargs="--owner=$owner"
  69             ;;
  70         g ) group=$OPTARG
  71             ogargs="$ogargs --group=$group"
  72             ;;
  73         c ) ;;
  74         C ) noclean=1;;
  75         v ) echo $version
  76             exit 0
  77             ;;
  78         h )     echo $usage  >&2 ;;
  79         \? )    echo $usage  >&2
  80         esac
  81 done
  82
  83
  84 shift $(($OPTIND - 1))
  85
  86 # continue on to process additional arguments
  87
  88 case $# in
  89 1)
  90         dest_dir=$PWD
  91         ;;
  92 2)
  93         dest_dir=$2
  94         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
  95             dest_dir=$PWD
  96         fi
  97         ;;
  98 *)
  99         echo $usage >&2
 100         exit 1
 101         ;;
 102 esac
 103
 104 pkg_dir=$1
 105
 106 if [ ! -d $pkg_dir ]; then
 107         echo "*** Error: Directory $pkg_dir does not exist" >&2
 108         exit 1
 109 fi
 110
 111 # CONTROL is second so that it takes precedence
 112 CONTROL=
 113 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 114 if [ -z "$CONTROL" ]; then
 115         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 116         exit 1
 117 fi
 118
 119 if ! pkg_appears_sane $pkg_dir; then
 120         echo >&2
 121         echo "ipkg-build: Please fix the above errors and try again." >&2
 122         exit 1
 123 fi
 124
 125 tmp_dir=$dest_dir/IPKG_BUILD.$$
 126 mkdir $tmp_dir
 127
 128 echo $CONTROL > $tmp_dir/tarX
 129 # Preserve permissions (-p) when creating data.tar.gz as non-root user
 130 ( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu -czpf $tmp_dir/data.tar.gz . )
 131
 132 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 133 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 134         $pkg_dir/$CONTROL/control
 135
 136 ( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu -czf $tmp_dir/control.tar.gz . )
 137 rm $tmp_dir/tarX
 138
 139 echo "2.0" > $tmp_dir/debian-binary
 140
 141 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 142 rm -f $pkg_file
 143 ( cd $tmp_dir && $TAR --format=gnu -zcf $pkg_file ./debian-binary ./data.tar.gz ./control.tar.gz )
 144
 145 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 146 rmdir $tmp_dir
 147
 148 echo "Packaged contents of $pkg_dir into $pkg_file"