cirros-testvm/src-cirros/buildroot-2015.05/package/ipkg/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 set -e
   7
   8 ipkg_extract_value() {
   9         sed -e "s/^[^:]*:[[:space:]]*//"
  10 }
  11
  12 required_field() {
  13         field=$1
  14
  15         value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
  16         if [ -z "$value" ]; then
  17                 echo "ipkg-build: Error: $CONTROL/control is missing field $field" ;
  18                 PKG_ERROR=1
  19         fi
  20         echo $value
  21 }
  22
  23 pkg_appears_sane() {
  24         local pkg_dir=$1
  25
  26         local owd=`pwd`
  27         cd $pkg_dir
  28
  29         PKG_ERROR=0
  30         if [ ! -f "$CONTROL/control" ]; then
  31                 echo "ipkg-build: Error: Control file $pkg_dir/$CONTROL/control not found."
  32                 cd $owd
  33                 return 1
  34         fi
  35
  36         pkg=`required_field Package`
  37         version=`required_field Version`
  38         arch=`required_field Architecture`
  39         required_field Maintainer >/dev/null
  40         required_field Description >/dev/null
  41
  42         if echo $pkg | grep '[^a-z0-9.+-]'; then
  43                 echo "ipkg-build: Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])"
  44                 PKG_ERROR=1;
  45         fi
  46
  47         local bad_fields=`sed -ne 's/^\([^[:space:]][^:[:space:]]\+[[:space:]]\+\)[^:].*/\1/p' < $CONTROL/control | sed -e 's/\\n//'`
  48         if [ -n "$bad_fields" ]; then
  49                 bad_fields=`echo $bad_fields`
  50                 echo "ipkg-build: Error: The following fields in $CONTROL/control are missing a ':'"
  51                 echo "  $bad_fields"
  52                 echo "ipkg-build: This may be due to a missing initial space for a multi-line field value"
  53                 PKG_ERROR=1
  54         fi
  55
  56         for script in $CONTROL/preinst $CONTROL/postinst $CONTROL/prerm $CONTROL/postrm; do
  57                 if [ -f $script -a ! -x $script ]; then
  58                         echo "ipkg-build: Error: package script $script is not executable"
  59                         PKG_ERROR=1
  60                 fi
  61         done
  62
  63         if [ -f $CONTROL/conffiles ]; then
  64                 for cf in `cat $CONTROL/conffiles`; do
  65                         if [ ! -f ./$cf ]; then
  66                                 echo "ipkg-build: Error: $CONTROL/conffiles mentions conffile $cf which does not exist"
  67                                 PKG_ERROR=1
  68                         fi
  69                 done
  70         fi
  71
  72         cd $owd
  73         return $PKG_ERROR
  74 }
  75
  76 ###
  77 # ipkg-build "main"
  78 ###
  79
  80 case $# in
  81 1)
  82         dest_dir=.
  83         ;;
  84 2)
  85         dest_dir=$2
  86         ;;
  87 *)
  88         echo "Usage: ipkg-build <pkg_directory> [<destination_directory>]" ;
  89         exit 1
  90         ;;
  91 esac
  92
  93 pkg_dir=$1
  94
  95 if [ ! -d $pkg_dir ]; then
  96         echo "ipkg-build: Error: Directory $pkg_dir does not exist"
  97         exit 1
  98 fi
  99
 100 # CONTROL is second so that it takes precedence
 101 CONTROL=
 102 [ -d $pkg_dir/DEBIAN ] && CONTROL=DEBIAN
 103 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 104 if [ -z "$CONTROL" ]; then
 105         echo "ipkg-build: Error: Directory $pkg_dir has no CONTROL subdirectory."
 106         exit 1
 107 fi
 108
 109 if ! pkg_appears_sane $pkg_dir; then
 110         echo "Please fix the above errors and try again."
 111         exit 1
 112 fi
 113
 114 tmp_dir=$dest_dir/IPKG_BUILD.$$
 115 mkdir $tmp_dir
 116
 117 tar -C $pkg_dir -czf $tmp_dir/data.tar.gz . --exclude=$CONTROL
 118 tar -C $pkg_dir/$CONTROL -czf $tmp_dir/control.tar.gz .
 119
 120 echo "2.0" > $tmp_dir/debian-binary
 121
 122 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 123 tar -C $tmp_dir -czf $pkg_file debian-binary data.tar.gz control.tar.gz
 124 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 125 rmdir $tmp_dir
 126
 127 echo "Packaged contents of $pkg_dir into $pkg_file"