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="$(command -v find)"
  14 FIND="${FIND:-$(command -v gfind)}"
  15 TAR="${TAR:-$(command -v tar)}"
  16 GZIP="$(command -v gzip)"
  17
  18 # try to use fixed source epoch
  19 if [ -n "$SOURCE_DATE_EPOCH" ]; then
  20         TIMESTAMP=$(date --date="@$SOURCE_DATE_EPOCH")
  21
  22 # look up date of last commit
  23 elif [ -d "$TOPDIR/.git" ]; then
  24         GIT="$(command -v git)"
  25         TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
  26 elif [ -d "$TOPDIR/.svn" ]; then
  27         SVN="$(command -v svn)"
  28         TIMESTAMP=$($SVN info "$TOPDIR" | sed -n "s/^Last Changed Date: \(.*\)/\1/p")
  29 else
  30         TIMESTAMP=$(date)
  31 fi
  32
  33 ipkg_extract_value() {
  34         sed -e "s/^[^:]*:[[:space:]]*//"
  35 }
  36
  37 required_field() {
  38         field=$1
  39
  40         grep "^$field:" < $CONTROL/control | ipkg_extract_value
  41 }
  42
  43 pkg_appears_sane() {
  44         local pkg_dir=$1
  45
  46         local owd=$PWD
  47         cd $pkg_dir
  48
  49         PKG_ERROR=0
  50         pkg=`required_field Package`
  51         version=`required_field Version | sed 's/Version://; s/^.://g;'`
  52         arch=`required_field Architecture`
  53
  54         if echo $pkg | grep '[^a-zA-Z0-9_.+-]'; then
  55                 echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
  56                 PKG_ERROR=1;
  57         fi
  58
  59         if [ -f $CONTROL/conffiles ]; then
  60                 rm -f $CONTROL/conffiles.resolved
  61
  62                 for cf in `$FIND $(sed -e "s!^/!$pkg_dir/!" $CONTROL/conffiles) -type f`; do
  63                         echo "${cf#$pkg_dir}" >> $CONTROL/conffiles.resolved
  64                 done
  65
  66                 rm $CONTROL/conffiles
  67                 if [ -f $CONTROL/conffiles.resolved ]; then
  68                         mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  69                         chmod 0644 $CONTROL/conffiles
  70                 fi
  71         fi
  72
  73         cd $owd
  74         return $PKG_ERROR
  75 }
  76
  77 ###
  78 # ipkg-build "main"
  79 ###
  80 file_modes=""
  81 usage="Usage: $0 [-v] [-h] [-m] <pkg_directory> [<destination_directory>]"
  82 while getopts "hvm:" opt; do
  83     case $opt in
  84         v ) echo $version
  85             exit 0
  86             ;;
  87         h )     echo $usage  >&2 ;;
  88         m )     file_modes=$OPTARG ;;
  89         \? )    echo $usage  >&2
  90         esac
  91 done
  92
  93
  94 shift $(($OPTIND - 1))
  95
  96 # continue on to process additional arguments
  97
  98 case $# in
  99 1)
 100         dest_dir=$PWD
 101         ;;
 102 2)
 103         dest_dir=$2
 104         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
 105             dest_dir=$PWD
 106         fi
 107         ;;
 108 *)
 109         echo $usage >&2
 110         exit 1
 111         ;;
 112 esac
 113
 114 pkg_dir=$1
 115
 116 if [ ! -d $pkg_dir ]; then
 117         echo "*** Error: Directory $pkg_dir does not exist" >&2
 118         exit 1
 119 fi
 120
 121 # CONTROL is second so that it takes precedence
 122 CONTROL=
 123 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 124 if [ -z "$CONTROL" ]; then
 125         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 126         exit 1
 127 fi
 128
 129 if ! pkg_appears_sane $pkg_dir; then
 130         echo >&2
 131         echo "ipkg-build: Please fix the above errors and try again." >&2
 132         exit 1
 133 fi
 134
 135 tmp_dir=$dest_dir/IPKG_BUILD.$$
 136 mkdir $tmp_dir
 137
 138 echo $CONTROL > $tmp_dir/tarX
 139 cd $pkg_dir
 140 for file_mode in $file_modes; do
 141         case $file_mode in
 142         /*:*:*:*)
 143             ;;
 144         *)
 145             echo "ERROR: file modes must use absolute path and contain user:group:mode"
 146             echo "$file_mode"
 147             exit 1
 148             ;;
 149         esac
 150         path=$(echo "$file_mode" | cut -d ':' -f 1)
 151         user_group=$(echo "$file_mode" | cut -d ':' -f 2-3)
 152         mode=$(echo "$file_mode" | cut -d ':' -f 4)
 153
 154         chown "$user_group" "$pkg_dir/$path"
 155         chmod  "$mode" "$pkg_dir/$path"
 156 done
 157 $TAR -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz
 158
 159 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 160 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 161         $pkg_dir/$CONTROL/control
 162
 163 ( cd $pkg_dir/$CONTROL && $TAR --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
 164 rm $tmp_dir/tarX
 165
 166 echo "2.0" > $tmp_dir/debian-binary
 167
 168 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 169 rm -f $pkg_file
 170 ( cd $tmp_dir && $TAR --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
 171
 172 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 173 rmdir $tmp_dir
 174
 175 echo "Packaged contents of $pkg_dir into $pkg_file"