Merge pull request #29 from ash-shell/br.install

Clean up install script, add comment in README

README.md

@@ -20,6 +20,8 @@ Run this line right here, and you should be good to go:
 curl https://raw.githubusercontent.com/ash-shell/ash/master/install.sh | sh
 ```
 
+> [This script](/install.sh) simply clones down this repo to `/usr/local` and links the [ash file](/ash) to `/usr/local/bin`, which is usually always a `$PATH` directory.  In the event that this one liner doesn't work (or you don't want to run a script downloaded over the network), you can simply recursively clone this repo, and add the [ash file](/ash) to somewhere in your $PATH.
+
 # Modules
 
 Modules are the fundamental building blocks of Ash.  They allow you to build out custom CLI's and libraries that can be used in any other Ash module.

install.sh

@@ -1,8 +1,16 @@
 #!/bin/bash
-git clone --recursive https://github.com/ash-shell/ash.git
-new_location="/usr/local/ash"
-mv "./ash" "$new_location"
+script_location="/usr/local"
 path_location="/usr/local/bin"
+current_location="$(pwd)"
+
+# Clone
+cd "$script_location"
+git clone --recursive https://github.com/ash-shell/ash.git
+
+# Add to $PATH
 cd "$path_location"
-ln -s "$new_location/ash" .
-echo "Ash successfully installed"
+ln -s "$script_location/ash/ash" .
+echo "Ash successfully installed to $script_location/ash"
+
+# Move back
+cd "$current_location"