goto.bash

# To be sourced in your .bashrc or .zshrc

if [ -z "$_goto_tool_path" ]; then
	if [ -n "$ZSH_NAME" ]; then
		_goto_tool_path=$(dirname $0)
	elif [ -n "$BASH" ]; then
		_goto_tool_path=$(dirname ${BASH_SOURCE[0]})
	else
		echo 'Unknown shell, cannot infer goto-tool path automatically.'
		echo 'Please set your PATH so that the goto-tool script is accessible.'
		_goto_tool_path=$(dirname `which goto-tool`)
	fi

	export _goto_tool_path
fi

alias goto-tool=goto_tool_fn

goto_tool_fn() {
	${_goto_tool_path}/goto-tool $@
}

# $1 godir
# [$2 directory]
goto() {
	local dir
	local ret

	if [ "$#" -eq 0 ]; then
		echo "Usage: goto <dirname> [<subpath>]"
		return 1
	fi

	dir=$(goto-tool get "$1")
	ret=$?

	if [ "$ret" -eq 0 ]; then
		goto-tool use "$1" >/dev/null

		if [ "$#" -gt 1 ]; then
			cd "$dir"/"$2"
		else
			cd "$dir"
		fi
	fi

	return $ret
}

# $1 godir
# [$2 file]
goget() {
	local DIR

	if DIR="$(goto-tool get $1)"; then
		goto-tool use $1 >/dev/null

		echo "$DIR${2:+/$2}"
	fi
}

# $1 cmd
# $2 godir
# [$3 file]
gorun() {
	local dir

	if dir="$(goget $2 $3)"; then
		$1 $dir
	fi
}