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 # 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="$(which git)"
  25         TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
  26 elif [ -d "$TOPDIR/.svn" ]; then
  27         SVN="$(which svn)"
  28         TIMESTAMP=$($SVN info "$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                 mv $CONTROL/conffiles.resolved $CONTROL/conffiles
  68                 chmod 0644 $CONTROL/conffiles
  69         fi
  70
  71         cd $owd
  72         return $PKG_ERROR
  73 }
  74
  75 ###
  76 # ipkg-build "main"
  77 ###
  78 ogargs=""
  79 noclean=0
  80 usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
  81 while getopts "cg:ho:v" opt; do
  82     case $opt in
  83         o ) owner=$OPTARG
  84             ogargs="--owner=$owner"
  85             ;;
  86         g ) group=$OPTARG
  87             ogargs="$ogargs --group=$group"
  88             ;;
  89         c ) ;;
  90         C ) noclean=1;;
  91         v ) echo $version
  92             exit 0
  93             ;;
  94         h )     echo $usage  >&2 ;;
  95         \? )    echo $usage  >&2
  96         esac
  97 done
  98
  99
 100 shift $(($OPTIND - 1))
 101
 102 # continue on to process additional arguments
 103
 104 case $# in
 105 1)
 106         dest_dir=$PWD
 107         ;;
 108 2)
 109         dest_dir=$2
 110         if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
 111             dest_dir=$PWD
 112         fi
 113         ;;
 114 *)
 115         echo $usage >&2
 116         exit 1
 117         ;;
 118 esac
 119
 120 pkg_dir=$1
 121
 122 if [ ! -d $pkg_dir ]; then
 123         echo "*** Error: Directory $pkg_dir does not exist" >&2
 124         exit 1
 125 fi
 126
 127 # CONTROL is second so that it takes precedence
 128 CONTROL=
 129 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 130 if [ -z "$CONTROL" ]; then
 131         echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 132         exit 1
 133 fi
 134
 135 if ! pkg_appears_sane $pkg_dir; then
 136         echo >&2
 137         echo "ipkg-build: Please fix the above errors and try again." >&2
 138         exit 1
 139 fi
 140
 141 tmp_dir=$dest_dir/IPKG_BUILD.$$
 142 mkdir $tmp_dir
 143
 144 echo $CONTROL > $tmp_dir/tarX
 145 # Preserve permissions (-p) when creating data.tar.gz as non-root user
 146 ( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -cpf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz )
 147
 148 installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
 149 sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
 150         $pkg_dir/$CONTROL/control
 151
 152 ( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
 153 rm $tmp_dir/tarX
 154
 155 echo "2.0" > $tmp_dir/debian-binary
 156
 157 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 158 rm -f $pkg_file
 159 ( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -cf -  --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
 160
 161 rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
 162 rmdir $tmp_dir
 163
 164 echo "Packaged contents of $pkg_dir into $pkg_file"