#!/bin/sh
#
######################################################
# Build script for RPI                               #
#                                                    #
# See .info for details                              #
#                                                    #
# NOT LTO COMPATIBLE                                 #
#                                                    #
#

#Make sure dependancies are loaded
tce-load -i compiletc libtool autoconf openssl-dev tcl tk gettext libxslt-dev perl5 python3.8 \
    curl-dev expat2-dev asciidoc docbook-xsl docbook-xml xmlto squashfs-tools

#
# Configure extension creation parameters            #
#

SRCNAM=v2.27.0.tar.gz
WRKDIR=git-2.27.0
EXTNAM=git
TMPDIR=/tmp/git

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

# Remove dirs and files left from previous creation

rm -r -f $WRKDIR

rm -r -f $TMPDIR
rm -r -f $TMPDIR-doc
rm -r -f $TMPDIR-locale
rm -r -f $TMPDIR-perl
rm -r -f $TMPDIR-python
rm -r -f $TMPDIR-gui
rm -r -f $TMPDIR-web

# Crete temporary directory

mkdir -p $TMPDIR

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

# Export variables needed for compilation

export CFLAGS="-O2 -pipe -march=armv8-a+crc -mtune=cortex-a53"
export CXXFLAGS="-O2 -pipe -fno-exceptions -fno-rtti -march=armv8-a+crc -mtune=cortex-a53"
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig

# Unpack source in current directory

tar -xf $SRCNAM

# Configure it

cd $WRKDIR
make configure
./configure \
--prefix=/usr/local \
--with-libpcre \
--with-curl \
--with-expat \
--with-perl \
--with-perl=/usr/local/bin/perl

# Compile

make all doc -j4

# Install in base temp dir

make install install-doc install-html DESTDIR=$TMPDIR

#mkdir -p $TMPDIR/usr/local
#mv $TMPDIR/root/* $TMPDIR/usr/local
#rm -r -f $TMPDIR/root

# Delete compilation work directory

cd ..
rm -r -f $WRKDIR

# 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 locale extension

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

# Move documentation to doc extension
mkdir -p $TMPDIR-doc/usr/local/share
mv $TMPDIR/usr/local/share/doc $TMPDIR-doc/usr/local/share
mv $TMPDIR/usr/local/share/man $TMPDIR-doc/usr/local/share

# Move files to python extension - Not there in 2.19.2

#mkdir -p $TMPDIR-python/usr/local/lib
#mv $TMPDIR/usr/local/lib/python2.7 $TMPDIR-python/usr/local/lib
#rm -f $TMPDIR-python/usr/local/lib/python2.7/site-packages/git_remote_helpers/*.pyc
#rm -f $TMPDIR-python/usr/local/lib/python2.7/site-packages/git_remote_helpers/git/*.pyc

# Move files to perl extension

mkdir -p $TMPDIR-perl/usr/local
mv $TMPDIR/usr/local/share/perl5 $TMPDIR-perl/usr/local/share

# Move files to web extension

mkdir -p $TMPDIR-web/usr/local/share
mv $TMPDIR/usr/local/share/gitweb $TMPDIR-web/usr/local/share

# Move files to git-gui extension

mkdir -p $TMPDIR-gui/usr/local/share
mkdir -p $TMPDIR-gui/usr/local/bin
mv $TMPDIR/usr/local/share/git-gui $TMPDIR-gui/usr/local/share
mv $TMPDIR/usr/local/share/gitk $TMPDIR-gui/usr/local/share
mv $TMPDIR/usr/local/bin/gitk $TMPDIR-gui/usr/local/bin

###################################################
# 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 locale extension in temp dir             #
###################################################

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

# Create md5 file

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

# Cleanup temp directory

rm -r -f usr

#
# Create doc extension in the 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

#
# Create python extension in temp dir             #
###################################################

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

# Create md5 file

#md5sum python-git.tcz > python-git.tcz.md5.txt

# Cleanup temp directory

#rm -r -f usr

###################################################
# Create perl extension in temp dir               #
###################################################

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

# Create md5 file

md5sum perl_git.tcz > perl_git.tcz.md5.txt

# Cleanup temp directory

rm -r -f usr

###################################################
# Create web extension in temp dir                #
###################################################

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

# Create md5 file

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

# Cleanup temp directory

rm -r -f usr

###################################################
# Create gui extension in temp dir                #
###################################################

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

# Create md5 file

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

# Cleanup temp directory

rm -r -f usr