Added dotfiles management script

bin/dotfiles

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+##
+## binaryDiv's dotfiles management script
+##
+
+# Define root dir for dotfiles management (defaults to $HOME, can be overridden
+# with environment variables for debugging)
+if [ -z "$DOTFILESROOT" ]; then
+	DOTFILESROOT="$HOME"
+fi
+
+# Set variables
+homedir="$DOTFILESROOT"
+dotfilesdir="$DOTFILESROOT/.dotfiles"
+
+
+# Check for command
+if [ $# -eq 0 ]; then
+	echo "no command given"
+	exit 1
+fi
+
+# Fetch command
+cmd=$1
+shift
+
+
+# Parse command
+case "$cmd" in
+	help)
+		# help: print usage help
+		echo "help: not implemented yet, sorry /o\\"
+		exit 1
+		;;
+
+	ls)
+		# ls: list dotfiles via ls
+		echo "$dotfilesdir:"
+		ls -lAh --color=auto "$dotfilesdir/"
+		;;
+	
+	git)
+		# git: do git commands (forwards all arguments)
+		git -C "$dotfilesdir" "$@"
+		;;
+	
+	createlinks)
+		# createlinks: create or update links for dotfiles in home dir
+
+		# (Use an extra script for this to separate the management script from
+		# user specific dotfiles)
+		if [ -f "$dotfilesdir/createlinks.sh" ]; then
+			# arguments: home dir and .dotfiles dir
+			bash "$dotfilesdir/createlinks.sh" "$homedir" "$dotfilesdir"
+		else
+			echo "no createlinks.sh found in $dotfilesdir"
+			exit 1
+		fi
+		;;
+
+	*)
+		# unknown command
+		echo "unknown command '$cmd'"
+		exit 1
+		;;
+esac
+

createlinks.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+if [ $# -ne 2 ]; then
+	echo "wrong argument count"
+fi
+
+# Set variables
+homedir="$1"
+dotfilesdir="$2"
+
+# Change directory to home dir
+cd "$homedir"
+
+# Define a function that create a link unless it already exists
+makelink() {
+	test $# -eq 2 || { echo "makelink: invalid function call"; exit 1; }
+
+	if [ ! -e "$1" ]; then
+		echo "can't create link '$2': target '$1' does not exist"
+		return
+	fi
+
+	if [ ! -e "$2" ]; then
+		# Create link
+		ln -sr "$1" "$2"
+	elif [ ! -L "$2" ]; then
+		# A file with the same name exists and it's not a link
+		# -> warn user!
+		echo "can't create link '$2': file already exists"
+	fi
+}
+
+makelink_simple() {
+	test $# -eq 1 || { echo "makelink_simple: invalid function call"; exit 1; }
+
+	makelink "$dotfilesdir/$1" "$1"
+}
+
+# -- CREATE THE LINKS HERE --
+
+# ~/bin
+makelink "$dotfiles/bin/" bin
+
+# dotfiles
+makelink_simple .bashrc
+