shell script to install Git on USC parallel computers without root permissions

install_git_on_parallel.sh

# note that this file needs execute permissions to run, which can be done by running "chmod u+rwx ./install_git_on_parallel.sh" (without quotes)
# this script based on:
# http://joemaller.com/908/how-to-install-git-on-a-shared-host/
# http://stackoverflow.com/questions/9500898/compiler-error-msgfmt-command-not-found-when-compiling-git-on-a-shared-hosting

# update $PATH
echo "# the following line added by install_git_on_parallel.sh" >> ~/.bashrc
echo "export PATH=$HOME/opt/bin:$PATH" >> ~/.bashrc
. ~/.bashrc

# make temporary source directory
mkdir ~/git_src

# compile zlib
cd ~/git_src
wget http://zlib.net/zlib-1.2.6.tar.gz
tar -xvzf zlib-1.2.6.tar.gz
rm ./zlib-1.2.6.tar.gz
cd ./zlib-1.2.6
./configure --prefix=$HOME/opt
make && make install

# compile git
cd ~/git_src
wget https://git-core.googlecode.com/files/git-1.7.10.tar.gz
tar -xvzf git-1.7.10.tar.gz
rm ./git-1.7.10.tar.gz
cd ./git-1.7.10
./configure --prefix=$HOME/opt --with-zlib=$HOME/opt --without-tcltk
make -i
make install -i

# clean up source directories
cd ~
rm -rf ~/git_src/zlib-1.2.6
rm -rf ~/git_src/git-1.7.10
rmdir ~/git_src
echo "NOW LOG OUT AND LOG BACK IN, THEN YOU CAN USE GIT!"