linkall

#!/usr/bin/env zsh

# Who am I?
me=`basename $0`

# Get options.
LNOPTS=""
if [ $# -gt 0 ]; then
	if [[ "$1" == "-f" ]]; then
		LNOPTS="-f"
	else
		echo "Unrecognized option: $1"
		cat << EOF
Usage: $me [OPTIONS]

    Options:
    -f    Force 'ln' to create a new link, even if one already exists with the
          same name.
EOF
		exit 1
	fi
fi

# The system name is used to link platform-specific files.
platform=`uname`

# This appears to be the "best" way to get the canonicalized path to where this 
# script is located, which is, presumably, where all of my dotfiles are.
# Lifted from http://stackoverflow.com/a/4774063
pushd `dirname $0` > /dev/null
SCRIPTPATH=`pwd`
SCRIPTPATH="$SCRIPTPATH/configs"
popd > /dev/null

pushd ~ > /dev/null

echo "Creating symlinks for all configuration files in $SCRIPTPATH."
echo ""

for dotfile in `find $SCRIPTPATH -mindepth 1 -maxdepth 1`; do
	if [[ "${dotfile##*/}" == "bashrc" ]]; then
		linkfile=".bash_profile"
	else
		# If the dotfile starts with an underscore-braced string, only link it if 
		# that string matches our platform.
		if [[ "${dotfile##*/}" =~ "_.*_" ]]; then
			if [[ "${dotfile##*/}" =~ "_${platform}_" ]]; then
				linkfile=".${dotfile##*/_${platform}_}"
			else
				continue
			fi
		else
			# This is the common case. Link the base name.
			linkfile=".${dotfile##*/}"
		fi
	fi

	echo -n "Linking $dotfile -> $linkfile... "
	ln -s $LNOPTS "$dotfile" "$linkfile" > /dev/null 2>&1
	if [ $? -eq 0 ]; then
		echo "OK"
	else
		echo "Failed"
	fi
done
popd > /dev/null