improve install script

install

@@ -1,24 +1,27 @@
 #!/bin/bash
 
-function relink() {
+# relink target-file source-file
+relink() {
   if [[ -h "$1" ]]; then
     echo "Relinking $1"
     # Symbolic link? Then recreate.
     rm "$1"
     ln -sn "$2" "$1"
   elif [[ ! -e "$1" ]]; then
-    echo "Linking $1"
+    echo "Linking $1 to $2"
     ln -sn "$2" "$1"
   else
     echo "$1 exists as a real file, skipping."
   fi
 }
 
-cd ~
-relink .bash_profile ~/.dotfiles/bash_profile
-relink .bashrc ~/.dotfiles/bashrc
-relink .gitconfig ~/.dotfiles/git-config
-relink .gitignore ~/.dotfiles/git-ignore-global
-relink .hgrc ~/.dotfiles/hgrc
-relink .inputrc ~/.dotfiles/inputrc
-relink bin ~/.dotfiles/bin
+DIR=$( cd "$( dirname "$0" )" && pwd )
+
+relink ~/.bash_profile $DIR/bash_profile
+relink ~/.bashrc       $DIR/bashrc
+relink ~/.gitconfig    $DIR/git-config
+relink ~/.gitignore    $DIR/git-ignore-global
+relink ~/.hgrc         $DIR/hgrc
+relink ~/.inputrc      $DIR/inputrc
+
+relink ~/bin           $DIR/bin