#!/bin/sh

echo "This script will update your shell profile when the 'bin' directory"

echo "of python is not early enough of the PATH of your shell."

echo "These changes will be effective only in shell windows that you open"

echo "after running this script."

PYVER=2.6

PYTHON_ROOT="/Library/Frameworks/Python.framework/Versions/Current"

if [ `id -ur` = 0 ]; then

	# Run from the installer, do some trickery to fetch the information

	# we need.

	theShell="`finger $USER | grep Shell: | head  -1 | awk '{ print $NF }'`"

else

	theShell="${SHELL}"

fi

# Make sure the directory ${PYTHON_ROOT}/bin is on the users PATH.

BSH="`basename "${theShell}"`"

case "${BSH}" in

bash|ksh|sh|*csh)

	if [ `id -ur` = 0 ]; then

		P=`su - ${USER} -c 'echo A-X-4-X@@$PATH@@X-4-X-A' | grep 'A-X-4-X@@.*@@X-4-X-A' | sed -e 's/^A-X-4-X@@//g' -e 's/@@X-4-X-A$//g'`

	else

		P="`(exec -l ${theShell} -c 'echo $PATH')`"

	fi

	;;

*)

	echo "Sorry, I don't know how to patch $BSH shells"

	exit 0

	;;

esac

# Now ensure that our bin directory is on $P and before /usr/bin at that

for elem in `echo $P | tr ':' ' '`

do

	if [ "${elem}" == "${PYTHON_ROOT}/bin" ]; then

		echo "All right, you're a python lover already"

		exit 0

	elif [ "${elem}" == "/usr/bin" ]; then

		break

	fi

done

echo "${PYTHON_ROOT}/bin is not on your PATH or at least not early enough"

case "${BSH}" in

*csh)

	if [ -f "${HOME}/.tcshrc" ]; then

		RC="${HOME}/.tcshrc"

	else

		RC="${HOME}/.cshrc"

	fi

	# Create backup copy before patching

	if [ -f "${RC}" ]; then

		cp -fp "${RC}" "${RC}.pysave"

	fi

	echo "" >> "${RC}"

	echo "# Setting PATH for MacPython ${PYVER}" >> "${RC}"

	echo "# The orginal version is saved in .cshrc.pysave" >> "${RC}"

	echo "set path=(${PYTHON_ROOT}/bin "'$path'")" >> "${RC}"

	if [ `id -ur` = 0 ]; then

		chown "${USER}" "${RC}"

	fi

	exit 0

	;;

bash)

	if [ -e "${HOME}/.bash_profile" ]; then

		PR="${HOME}/.bash_profile"

	elif [ -e "${HOME}/.bash_login" ]; then

		PR="${HOME}/.bash_login"

	elif [ -e "${HOME}/.profile" ]; then

		PR="${HOME}/.profile"

	else

		PR="${HOME}/.bash_profile"

	fi

	;;

*sh)

	PR="${HOME}/.profile"

	;;

esac

# Create backup copy before patching

if [ -f "${PR}" ]; then

	cp -fp "${PR}" "${PR}.pysave"

fi

echo "" >> "${PR}"

echo "# Setting PATH for MacPython ${PYVER}" >> "${PR}"

echo "# The orginal version is saved in `basename ${PR}`.pysave" >> "${PR}"

echo 'PATH="'"${PYTHON_ROOT}/bin"':${PATH}"' >> "${PR}"

echo 'export PATH' >> "${PR}"

if [ `id -ur` = 0 ]; then

	chown "${USER}" "${PR}"

fi

exit 0