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:-$(which tar)}"
  16 SVN="$(which svn)"
  17 GIT="$(which git)"
  18 export GZIP="-n"
  19
  20 # look up date of last commit
  21 if [ -d "$TOPDIR/.git" ]; then
  22         TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
  23 elif [ -d "$TOPDIR/.svn" ]; then
  24         TIMESTAMP=$($SVN info "$TOPDIR" | sed -n "s/^Last Changed Date: \(.*\)/\1/p")
  25 else
  26         TIMESTAMP=$(date)
  27 fi
  28
  29 ipkg_extract_value() {
  30         sed -e "s/^[^:]*:[[:space:]]*//"
  31 }
  32
  33 required_field() {
  34         field=$1
  35
  36         grep "^$field:" < $CONTROL/control | ipkg_extract_value
  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         pkg=`required_field Package`
  47         version=`required_field Version | sed 's/Version://; s/^.://g;'`
  48         arch=`required_field Architecture`
  49
  50         if echo $pkg | grep '[^a-zA-Z0-9_.+-]'; then
  51                 echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
  52                 PKG_ERROR=1;
  53         fi
  54
  55         if [ -f $CONTROL/conffiles ]; then
  56                 rm -f $CONTROL/conffiles.resolved
  57
  58                 for cf in `$FIND $(sed -e "s!^/!$pkg_dir/!" $CONTROL/conffiles) -type f`; do
  59                         echo "${cf#$pkg_dir}" >> $CONTROL/conffiles.resolved
  60                 done
  61
  62                 rm $CONTROL/conffiles
  63                 mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  64                 chmod 0644 $CONTROL/conffiles
  65         fi
  66
  67         cd $owd
  68         return $PKG_ERROR
  69 }
  70
  71 ###
  72 # ipkg-build "main"
  73 ###
  74 ogargs=""
  75 noclean=0
  76 usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
  77 while getopts "cg:ho:v" opt; do
  78     case $opt in
  79         o ) owner=$OPTARG
  80             ogargs="--owner=$owner"
  81             ;;
  82         g ) group=$OPTARG
  83             ogargs="$ogargs --group=$group"
  84             ;;
  85         c ) ;;
  86         C ) noclean=1;;
  87         v ) echo $version
  88             exit 0
  89             ;;
  90         h )     echo $usage  >&2 ;;
  91         \? )    echo $usage  >&2
  92         esac
  93 done
  94
  95
  96 shift $(($OPTIND - 1))
  97
  98 # continue on to process additional arguments
  99
 100 case $# in
 101 1)
 102         dest_dir=$PWD
 103         ;;
 104 2)
 105         dest_dir=$2
 106         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
 107             dest_dir=$PWD
 108         fi
 109         ;;
 110 *)
 111         echo $usage >&2
 112         exit 1
 113         ;;
 114 esac
 115
 116 pkg_dir=$1
 117
 118 if [ ! -d $pkg_dir ]; then
 119         echo "*** Error: Directory $pkg_dir does not exist" >&2
 120         exit 1
 121 fi
 122
 123 # CONTROL is second so that it takes precedence
 124 CONTROL=
 125 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 126 if [ -z "$CONTROL" ]; then
 127         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 128         exit 1
 129 fi
 130
 131 if ! pkg_appears_sane $pkg_dir; then
 132         echo >&2
 133         echo "ipkg-build: Please fix the above errors and try again." >&2
 134         exit 1
 135 fi
 136
 137 tmp_dir=$dest_dir/IPKG_BUILD.$$
 138 mkdir $tmp_dir
 139
 140 echo $CONTROL > $tmp_dir/tarX
 141 # Preserve permissions (-p) when creating data.tar.gz as non-root user
 142 ( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -czpf $tmp_dir/data.tar.gz --mtime="$TIMESTAMP" . )
 143
 144 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 145 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 146         $pkg_dir/$CONTROL/control
 147
 148 ( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -czf $tmp_dir/control.tar.gz --mtime="$TIMESTAMP" . )
 149 rm $tmp_dir/tarX
 150
 151 echo "2.0" > $tmp_dir/debian-binary
 152
 153 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 154 rm -f $pkg_file
 155 ( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -zcf $pkg_file --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz )
 156
 157 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 158 rmdir $tmp_dir
 159
 160 echo "Packaged contents of $pkg_dir into $pkg_file"