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:-$(which tar)}"
  16 GZIP="$(which gzip)"
  17
  18 # look up date of last commit
  19 if [ -d "$TOPDIR/.git" ]; then
  20         GIT="$(which git)"
  21         TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
  22 elif [ -d "$TOPDIR/.svn" ]; then
  23         SVN="$(which svn)"
  24         TIMESTAMP=$($SVN info "$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                 if [ -f $CONTROL/conffiles.resolved ]; then
  64                         mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  65                         chmod 0644 $CONTROL/conffiles
  66                 fi
  67         fi
  68
  69         cd $owd
  70         return $PKG_ERROR
  71 }
  72
  73 ###
  74 # ipkg-build "main"
  75 ###
  76 ogargs=""
  77 noclean=0
  78 usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
  79 while getopts "cg:ho:v" opt; do
  80     case $opt in
  81         o ) owner=$OPTARG
  82             ogargs="--owner=$owner"
  83             ;;
  84         g ) group=$OPTARG
  85             ogargs="$ogargs --group=$group"
  86             ;;
  87         c ) ;;
  88         C ) noclean=1;;
  89         v ) echo $version
  90             exit 0
  91             ;;
  92         h )     echo $usage  >&2 ;;
  93         \? )    echo $usage  >&2
  94         esac
  95 done
  96
  97
  98 shift $(($OPTIND - 1))
  99
 100 # continue on to process additional arguments
 101
 102 case $# in
 103 1)
 104         dest_dir=$PWD
 105         ;;
 106 2)
 107         dest_dir=$2
 108         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
 109             dest_dir=$PWD
 110         fi
 111         ;;
 112 *)
 113         echo $usage >&2
 114         exit 1
 115         ;;
 116 esac
 117
 118 pkg_dir=$1
 119
 120 if [ ! -d $pkg_dir ]; then
 121         echo "*** Error: Directory $pkg_dir does not exist" >&2
 122         exit 1
 123 fi
 124
 125 # CONTROL is second so that it takes precedence
 126 CONTROL=
 127 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 128 if [ -z "$CONTROL" ]; then
 129         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 130         exit 1
 131 fi
 132
 133 if ! pkg_appears_sane $pkg_dir; then
 134         echo >&2
 135         echo "ipkg-build: Please fix the above errors and try again." >&2
 136         exit 1
 137 fi
 138
 139 tmp_dir=$dest_dir/IPKG_BUILD.$$
 140 mkdir $tmp_dir
 141
 142 echo $CONTROL > $tmp_dir/tarX
 143 # Preserve permissions (-p) when creating data.tar.gz as non-root user
 144 ( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -cpf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz )
 145
 146 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 147 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 148         $pkg_dir/$CONTROL/control
 149
 150 ( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
 151 rm $tmp_dir/tarX
 152
 153 echo "2.0" > $tmp_dir/debian-binary
 154
 155 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 156 rm -f $pkg_file
 157 ( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
 158
 159 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 160 rmdir $tmp_dir
 161
 162 echo "Packaged contents of $pkg_dir into $pkg_file"