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