setup-postgres.sh

#!/bin/bash

CURDIR=`pwd`;

# Add any other dependencies that you may find
sudo apt-get update;
sudo apt-get install -y git eclipse eclipse-cdt flex bison zlib1g-dev libreadline6-dev;

# Change the repository URL to your own
git clone https://github.com/pratyakshs/postgres.git --depth 1;

# Accordingly, change the name of your repository
REPO_NAME=postgres;

mkdir -p $CURDIR/$REPO_NAME/install;

# Potentially dangerous
# Removes all the lines containing POSTGRES_INSTALLDIR or POSTGRES_SRCDIR or PGDATA from ~/.bashrc
grep -v "POSTGRES_INSTALLDIR" ~/.bashrc | grep -v "POSTGRES_SRCDIR" | grep -v "PGDATA" > ~/.bashrc.v01;
mv ~/.bashrc.v01 ~/.bashrc;

# Adds these exports to ~/.bashrc
STR1="export POSTGRES_INSTALLDIR=$CURDIR/$REPO_NAME/install"
STR2="export POSTGRES_SRCDIR=$CURDIR/$REPO_NAME/"

echo $STR1 >> ~/.bashrc;
echo $STR2 >> ~/.bashrc;

# Sets environment variables
${STR1};
${STR2};

cd ${POSTGRES_SRCDIR};

# Installation with debugging enabled
./configure --prefix=${POSTGRES_INSTALLDIR} --enable-debug;
export enable_debug=yes;
make | tee make.out
make install | tee make_install.out

# Adds these exports to ~/.bashrc
STR3="export LD_LIBRARY_PATH=${POSTGRES_INSTALLDIR}/lib:\$LD_LIBRARY_PATH";
STR4="export PATH=${POSTGRES_INSTALLDIR}/bin:\$PATH";
STR5="export PGDATA=${POSTGRES_INSTALLDIR}/data";
echo $STR3 >> ~/.bashrc;
echo $STR4 >> ~/.bashrc;
echo $STR5 >> ~/.bashrc;

# Sets up environment variables
export LD_LIBRARY_PATH=${POSTGRES_INSTALLDIR}/lib:$LD_LIBRARY_PATH;
export PATH=${POSTGRES_INSTALLDIR}/bin:$PATH;
${STR5};

# Creates a new PostgreSQL database cluster
${POSTGRES_INSTALLDIR}/bin/initdb -D ${PGDATA};

# Runs the PostgreSQL server
${POSTGRES_INSTALLDIR}/bin/postmaster -D  $PGDATA > logfile 2>&1 &

sleep 2;

# Creates a test database
${POSTGRES_INSTALLDIR}/bin/createdb -p 5432 test;

${POSTGRES_INSTALLDIR}/bin/pg_ctl stop;

# Restores working directory
cd -;