scripts/ipkg-build

   1 #!/usr/bin/env bash
   2 # ipkg-build -- construct a .ipk from a directory
   3 # Waldemar Brodkorb <wbx@openadk.org>
   4 # use cpio instead of tar for uid/gid handling
   5 # Carl Worth <cworth@east.isi.edu>
   6 # based on a script by Steve Redler IV <steve@sr-tech.com>
   7 set -e
   8
   9 version=1.0
  10
  11 ipkg_extract_value() {
  12         sed -e "s/^[^:]*:[[:space:]]*//"
  13 }
  14
  15 required_field() {
  16         field=$1
  17
  18         value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
  19         if [ -z "$value" ]; then
  20                 echo "*** Error: $CONTROL/control is missing field $field" >&2
  21                 return 1
  22         fi
  23         echo $value
  24         return 0
  25 }
  26
  27 disallowed_field() {
  28         field=$1
  29
  30         value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
  31         if [ -n "$value" ]; then
  32                 echo "*** Error: $CONTROL/control contains disallowed field $field" >&2
  33                 return 1
  34         fi
  35         echo $value
  36         return 0
  37 }
  38
  39 pkg_appears_sane() {
  40         local pkg_dir=$1
  41
  42         local owd=$PWD
  43         cd $pkg_dir
  44
  45         PKG_ERROR=0
  46
  47         tilde_files=`find . -name '*~'`
  48         if [ -n "$tilde_files" ]; then
  49             if [ "$noclean" = "1" ]; then
  50                 echo "*** Warning: The following files have names ending in '~'.
  51 You probably want to remove them: " >&2
  52                 ls -ld $tilde_files
  53                 echo >&2
  54             else
  55                 echo "*** Removing the following files: $tilde_files"
  56                 rm -f "$tilde_files"
  57             fi
  58         fi
  59
  60         if [ ! -f "$CONTROL/control" ]; then
  61                 echo "*** Error: Control file $pkg_dir/$CONTROL/control not found." >&2
  62                 cd $owd
  63                 return 1
  64         fi
  65
  66         pkg=`required_field Package`
  67         [ "$?" -ne 0 ] && PKG_ERROR=1
  68
  69         version=`required_field Version | sed 's/Version://; s/^.://g;'`
  70         [ "$?" -ne 0 ] && PKG_ERROR=1
  71
  72         arch=`required_field Architecture`
  73         [ "$?" -ne 0 ] && PKG_ERROR=1
  74
  75         required_field Maintainer >/dev/null
  76         [ "$?" -ne 0 ] && PKG_ERROR=1
  77
  78         required_field Description >/dev/null
  79         [ "$?" -ne 0 ] && PKG_ERROR=1
  80
  81         section=`required_field Section`
  82         [ "$?" -ne 0 ] && PKG_ERROR=1
  83         if [ -z "$section" ]; then
  84             echo "The Section field should have one of the following values:" >&2
  85             echo "admin, base, boot, comm, editors, extras, games, graphics, kernel, lang, libs, misc, net, scm, text, web, x11" >&2
  86         fi
  87
  88         priority=`required_field Priority`
  89         [ "$?" -ne 0 ] && PKG_ERROR=1
  90         if [ -z "$priority" ]; then
  91             echo "The Priority field should have one of the following values:" >&2
  92             echo "required, important, standard, optional, extra." >&2
  93             echo "If you don't know which priority value you should be using, then use \`optional'" >&2
  94         fi
  95
  96         source=`required_field Source`
  97         [ "$?" -ne 0 ] && PKG_ERROR=1
  98         if [ -z "$source" ]; then
  99             echo "The Source field contain the URL's or filenames of the source code and any patches"
 100             echo "used to build this package.  Either gnu-style tarballs or Debian source packages "
 101             echo "are acceptable.  Relative filenames may be used if they are distributed in the same"
 102             echo "directory as the .ipk file."
 103         fi
 104
 105         disallowed_filename=`disallowed_field Filename`
 106         [ "$?" -ne 0 ] && PKG_ERROR=1
 107
 108         if echo $pkg | grep '[^a-z0-9.+-]'; then
 109                 echo "*** Error: Package name $pkg contains illegal characters, (other than [a-z0-9.+-])" >&2
 110                 PKG_ERROR=1;
 111         fi
 112
 113         local bad_fields=`sed -ne 's/^\([^[:space:]][^:[:space:]]\+[[:space:]]\+\)[^:].*/\1/p' < $CONTROL/control | sed -e 's/\\n//'`
 114         if [ -n "$bad_fields" ]; then
 115                 bad_fields=`echo $bad_fields`
 116                 echo "*** Error: The following fields in $CONTROL/control are missing a ':'" >&2
 117                 echo "  $bad_fields" >&2
 118                 echo "ipkg-build: This may be due to a missing initial space for a multi-line field value" >&2
 119                 PKG_ERROR=1
 120         fi
 121
 122         for script in $CONTROL/preinst $CONTROL/postinst $CONTROL/prerm $CONTROL/postrm; do
 123                 if [ -f $script -a ! -x $script ]; then
 124                     if [ "$noclean" = "1" ]; then
 125                         echo "*** Error: package script $script is not executable" >&2
 126                         PKG_ERROR=1
 127                     else
 128                         chmod a+x $script
 129                     fi
 130                 fi
 131         done
 132
 133         if [ -f $CONTROL/conffiles ]; then
 134                 for cf in `cat $CONTROL/conffiles`; do
 135                         if [ ! -f ./$cf ]; then
 136                                 echo "*** Error: $CONTROL/conffiles mentions conffile $cf which does not exist" >&2
 137                                 PKG_ERROR=1
 138                         fi
 139                 done
 140         fi
 141
 142         cd $owd
 143         return $PKG_ERROR
 144 }
 145
 146 ###
 147 # ipkg-build "main"
 148 ###
 149 noclean=0
 150 usage="Usage: $0 [-C] <pkg_directory> [<destination_directory>]"
 151 while getopts ":h:v" opt; do
 152     case $opt in
 153         C ) noclean=1
 154             ;;
 155         v ) echo $version
 156             exit 0
 157             ;;
 158         h )     echo $usage  >&2 ;;
 159         \? )    echo $usage  >&2
 160         esac
 161 done
 162
 163 shift $(($OPTIND - 1))
 164
 165 # continue on to process additional arguments
 166
 167 case $# in
 168 1)
 169         dest_dir=$PWD
 170         ;;
 171 2)
 172         dest_dir=$2
 173         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
 174             dest_dir=$PWD
 175         fi
 176         ;;
 177 *)
 178         echo $usage >&2
 179         exit 1
 180         ;;
 181 esac
 182
 183 pkg_dir=$1
 184
 185 if [ ! -d $pkg_dir ]; then
 186         echo "*** Error: Directory $pkg_dir does not exist" >&2
 187         exit 1
 188 fi
 189
 190 # CONTROL is second so that it takes precedence
 191 CONTROL=
 192 [ -d $pkg_dir/DEBIAN ] && CONTROL=DEBIAN
 193 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 194 if [ -z "$CONTROL" ]; then
 195         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 196         exit 1
 197 fi
 198
 199 if ! pkg_appears_sane $pkg_dir; then
 200         echo >&2
 201         echo "ipkg-build: Please fix the above errors and try again." >&2
 202         exit 1
 203 fi
 204
 205 tmp_dir=$dest_dir/IPKG_BUILD.$$
 206 mkdir $tmp_dir
 207
 208 ( cd $pkg_dir && find . | grep -v $CONTROL | \
 209         sort | cpio --quiet -o -Hustar | gzip -n9 > $tmp_dir/data.tar.gz )
 210
 211 ( cd $pkg_dir/$CONTROL && find . | \
 212         sort | cpio --quiet -o -Hustar | gzip -n9 > $tmp_dir/control.tar.gz )
 213
 214 echo "2.0" > $tmp_dir/debian-binary
 215 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 216 rm -f $pkg_file
 217 ( cd $tmp_dir && tar -czf $pkg_file ./debian-binary ./data.tar.gz ./control.tar.gz )
 218 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 219 rmdir $tmp_dir
 220 echo "Packaged contents of $pkg_dir into $pkg_file"