#!/bin/sh
#
######################################################
# Build script for RPI                               #
#                                                    #
# See .info for details                              #
#                                                    #
# December 17, 2012                                  #
######################################################

######################################################
# Configure extension creation parameters            #
######################################################

SRCNAM=dropbear-2014.63.tar.bz2
WRKDIR=dropbear-2014.63
EXTNAM=dropbear
TMPDIR=/tmp/dropbear

######################################################
# Prepare extension creation                         #
######################################################

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR

rm -r -f $TMPDIR
rm -r -f $TMPDIR-doc

# Crete temporary directory

mkdir -p $TMPDIR

######################################################
# Compile extension                                  #
######################################################

# Export variables needed for compilation

export CFLAGS="-Os -pipe -flto"
export CXXFLAGS="-Os -pipe -fno-exceptions -fno-rtti -flto"
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR
./configure

# Compile

make PRGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" MULTI=1
make PRGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" MULTI=1 install

# Delete compilation work directory

cd ..
rm -r -f $WRKDIR

# Create temp install dir

mkdir -p $TMPDIR/usr/local/bin
mkdir -p $TMPDIR/usr/local/sbin
mv /usr/local/bin/dropbearmulti $TMPDIR/usr/local/bin

mkdir -p $TMPDIR/usr/local/etc/dropbear
cp banner $TMPDIR/usr/local/etc/dropbear

mkdir -p $TMPDIR/usr/local/etc/init.d
cp dropbear $TMPDIR/usr/local/etc/init.d

mkdir -p $TMPDIR/usr/local/share/man/man1
mkdir -p $TMPDIR/usr/local/share/man/man8
mv /usr/local/share/man/man1/dbclient.1 $TMPDIR/usr/local/share/man/man1
mv /usr/local/share/man/man1/dropbear* $TMPDIR/usr/local/share/man/man1
mv /usr/local/share/man/man8/dropbear.8 $TMPDIR/usr/local/share/man/man8

cd $TMPDIR/usr/local/sbin
ln -s ../bin/dropbearmulti dropbear

cd $TMPDIR/usr/local/bin
ln -s dropbearmulti ssh
ln -s dropbearmulti dropbearkey
ln -s dropbearmulti dropbearconvert
ln -s dropbearmulti dbclient

# Adjust directory access rigths

find $TMPDIR/ -type d | xargs chmod -v 755;

# Strip executables

find $TMPDIR | xargs file | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded

# Move files to doc extension

mkdir -p $TMPDIR-doc/usr/local
mv $TMPDIR/usr/local/share $TMPDIR-doc/usr/local

###################################################
# Create base extension in temp dir               #
###################################################

cd $TMPDIR
cd ..
mksquashfs $TMPDIR $EXTNAM.tcz
cd $TMPDIR
find usr -not -type d > $EXTNAM.tcz.list
mv ../$EXTNAM.tcz .

# Create md5 file

md5sum $EXTNAM.tcz > $EXTNAM.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr

###################################################
# Create doc extension in temp dir                #
###################################################

cd $TMPDIR-doc
cd ..
mksquashfs $TMPDIR-doc $EXTNAM-doc.tcz
cd $TMPDIR-doc
find usr -not -type d > $EXTNAM-doc.tcz.list
mv ../$EXTNAM-doc.tcz .

# Create md5 file

md5sum $EXTNAM-doc.tcz > $EXTNAM-doc.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr