#!/usr/bin/env fish

set USER_DISAGREE_CODE 120
set NO_AGREEMENT_CODE 121

function dotfiles_setup_check_agreement
	set -l lock_file $argv[1]

	# Let user know that this script will delete their current configuration and
	# that they should read this script before running. We'll use a lock file so
	# the user only needs to agree once.
	if test -f $lock_file
		# User agreed already - do nothing
		echo Lock file exists \($lock_file\)
		echo Linking files...
	else
		echo This will delete existing files. Make sure you know what you\'re doing.
		read -r -p "Are you sure you want to continue? [y/N] " response
		set response (string lower $response)
		if string match $response y
			echo "agreed" > "$lock_file"
		else
			return $USER_DISAGREE_CODE
		end
	end
end

function l
	set i $argv[2]
	if test -L $i || test -f $i || test -d $i
		rm -rf "$i"
	end
	# check if the directory that will contain the link exists
	set -l d (dirname $i)
	test -d $d || mkdir -p $d
	ln -s $dfp/$argv[1] $i
	echo Linked $argv[1] to $i
end

function dotfiles_setup_link_files
	for i in $argv
		if set -q source_file
			l $source_file $i
			set -e source_file
		else
			set source_file $i
		end
	end
	echo Done.
end