kumquat-buildroot/package/ipkg/ipkg-build
2008-03-06 18:13:24 +00:00

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#!/bin/sh
# ipkg-build -- construct a .ipk from a directory
# Carl Worth <cworth@east.isi.edu>
# based on a script by Steve Redler IV, steve@sr-tech.com 5-21-2001
set -e
ipkg_extract_value() {
sed -e "s/^[^:]*:[[:space:]]*//"
}
required_field() {
field=$1
value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
if [ -z "$value" ]; then
echo "ipkg-build: Error: $CONTROL/control is missing field $field" ;
PKG_ERROR=1
fi
echo $value
}
pkg_appears_sane() {
local pkg_dir=$1
local owd=`pwd`
cd $pkg_dir
PKG_ERROR=0
if [ ! -f "$CONTROL/control" ]; then
echo "ipkg-build: Error: Control file $pkg_dir/$CONTROL/control not found."
cd $owd
return 1
fi
pkg=`required_field Package`
version=`required_field Version`
arch=`required_field Architecture`
required_field Maintainer >/dev/null
required_field Description >/dev/null
if echo $pkg | grep '[^a-z0-9.+-]'; then
echo "ipkg-build: Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])"
PKG_ERROR=1;
fi
local bad_fields=`sed -ne 's/^\([^[:space:]][^:[:space:]]\+[[:space:]]\+\)[^:].*/\1/p' < $CONTROL/control | sed -e 's/\\n//'`
if [ -n "$bad_fields" ]; then
bad_fields=`echo $bad_fields`
echo "ipkg-build: Error: The following fields in $CONTROL/control are missing a ':'"
echo " $bad_fields"
echo "ipkg-build: This may be due to a missing initial space for a multi-line field value"
PKG_ERROR=1
fi
for script in $CONTROL/preinst $CONTROL/postinst $CONTROL/prerm $CONTROL/postrm; do
if [ -f $script -a ! -x $script ]; then
echo "ipkg-build: Error: package script $script is not executable"
PKG_ERROR=1
fi
done
if [ -f $CONTROL/conffiles ]; then
for cf in `cat $CONTROL/conffiles`; do
if [ ! -f ./$cf ]; then
echo "ipkg-build: Error: $CONTROL/conffiles mentions conffile $cf which does not exist"
PKG_ERROR=1
fi
done
fi
cd $owd
return $PKG_ERROR
}
###
# ipkg-build "main"
###
case $# in
1)
dest_dir=.
;;
2)
dest_dir=$2
;;
*)
echo "Usage: ipkg-build <pkg_directory> [<destination_directory>]" ;
exit 1
;;
esac
pkg_dir=$1
if [ ! -d $pkg_dir ]; then
echo "ipkg-build: Error: Directory $pkg_dir does not exist"
exit 1
fi
# CONTROL is second so that it takes precedence
CONTROL=
[ -d $pkg_dir/DEBIAN ] && CONTROL=DEBIAN
[ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
if [ -z "$CONTROL" ]; then
echo "ipkg-build: Error: Directory $pkg_dir has no CONTROL subdirectory."
exit 1
fi
if ! pkg_appears_sane $pkg_dir; then
echo "Please fix the above errors and try again."
exit 1
fi
tmp_dir=$dest_dir/IPKG_BUILD.$$
mkdir $tmp_dir
tar -C $pkg_dir -czf $tmp_dir/data.tar.gz . --exclude=$CONTROL
tar -C $pkg_dir/$CONTROL -czf $tmp_dir/control.tar.gz .
echo "2.0" > $tmp_dir/debian-binary
pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
tar -C $tmp_dir -czf $pkg_file debian-binary data.tar.gz control.tar.gz
rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
rmdir $tmp_dir
echo "Packaged contents of $pkg_dir into $pkg_file"