#!/bin/bash
# File: install_lastbash.sh
# Date: 9 June 2012
# Creator: Jason Charney (jrcharneyATgmailDOTcom)
# Info: Initially designed to install shell-fm until the shell-fm programmer forgot to create a proper configuration file
# WARNING! The export variables used in this script are designed for my needs.
# 	   If your's are different YOU MUST CHANGE THE VARIABLES!

# Make the directories (if they don't exist)
cd ~
mkdir local
mkdir temp
DIR=$HOME/local		# this is where items are installed locally

# Export
# NOTE: These variables were set for the DIR directory.
# 	If you use the default values or use a differen DIR,
#	CHANGE THESE VARIABLES! It's very important!
# Note: export to .bash_profile NOT .bashrc
# TODO: Why not use tee commands here?
if [ -z $(echo $PATH | grep "$HOME/local/bin") ]; then
 export PATH=$HOME/local/bin:$PATH
 echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bash_profile
fi
if [ -z $(echo $LD_LIBRARY_PATH | grep "$HOME/local/lib") ]; then
 export LD_LIBRARY_PATH="$HOME/local/lib"
 echo 'export LD_LIBRARY_PATH="$HOME/local/lib"' >> ~/.bash_profile
fi
if [ -z $(echo $PKG_CONFIG_PATH | grep "$HOME/local/lib/pkgconfig") ]; then
 export PKG_CONFIG_PATH="$HOME/local/lib/pkgconfig"
 echo 'export PKG_CONFIG_PATH="$HOME/local/lib/pkgconfig"' >> ~/.bash_profile
fi

# The Cart
# Add items (urls) to the cart. Put them in order
# such that the ones at the bottom that are dependent on the ones
# on the top install after their dependencies are installed.
cart=(
 http://www.cmake.org/files/v2.8/cmake-2.8.8.tar.gz
 https://launchpad.net/taglib/trunk/1.7/+download/taglib-1.7.tar.gz
 http://iweb.dl.sourceforge.net/project/mad/libmad/0.15.1b/libmad-0.15.1b.tar.gz
 http://downloads.xiph.org/releases/ao/libao-1.1.0.tar.gz
)

# Download and Extract
cd ~/temp
for $url in "${cart[$@]}"
do
 pkg=${url##*/}		# package name - The parent URL is striped out
 case ${pkg##*.} in	# execute based on extension. Currently supported: .tar.bz2 (bz2), .tar.gz (gz), and .tar (tar)
  gz)  tc=xvzf ;;
  bz2) tc=xvjf ;;
  tar) tc=xvf ;;
  *) "ERROR! Unrecognized extension. Aborting. You will have to do this yourself. Sorry."; exit 1 ;;
 esac
 if [ ! -e $pkg ]; then		# If the package doesn't exist in the local directory, download and extract it
  wget ${url} --no-check-certificate && tar ${tc} ${pkg}	# TODO: What do I do if wget doesn't download
 else				# if the package exists, extract it.
  tar ${tc} ${pkg}
 fi
done

# Install  (This part can't be streamlined.)
cd cmake*
./configure --prefix=$DIR && make && make install

cd ../taglib*
cmake -DCMAKE_INSTALL_PREFIX=$DIR -DCMAKE_RELEASE_TYPE=Release . && make && make PREFIX="$DIR" DESTDIR="$DIR" install

# libmad (required)
cd ../libmad*
# According to LinuxFromScratch.org, -fforce-mem needs to be removed because it doesn't work with GCC v4.4.x
sed -i '/-fforce-mem/d' configure && ./configure --prefix=$DIR && make && make install

# For some reason, libmad didn't create it's onw pkg-config file
cat > $DIR/lib/pkgconfig/mad.pc << EOF
# libmad pkg-config source file

prefix=${DIR}
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib
includedir=\${prefix}/include

Name: mad
Description: MPEG audio decoder
Version: 0.15.1b
Requires:
Libs: -L\${libdir} -lmad
Cflags: -I\${includedir}
EOF

# liboao is optional but having playback features would be good anyway.
cd ../libao*
# There was an extra instruction for installing the documentation. I've decided not to use it.
# Configuration files are /etc/libao.conf (not going to use) and ~/.libao  (More than likely will have to use.)
./configure --prefix=$DIR && make && make install

# Clone and install (This is for git packages)
# NOTE: There is no configure file.
cd ..
git clone git://github.com/jkramer/shell-fm.git shell-fm
cd shell-fm
make && make install PREFIX=$DIR/local MANDIR=$DIR/share/man

# Cleanup
# TODO: Compress shell-fm
# TODO: Delete the non-compressed stuff in temp
cd ~
echo "DONE! Shell-fm should be ready to go.  Be sure to check my website for setting up shell-fm."