Added load_some function again

It can be called by providing the `--interactive` switch to the install
script.

README.md

@@ -11,11 +11,16 @@ Bash it provides a solid framework for using, developing and maintaining shell s
 ## Install
 
 1. Check a clone of this repo: `git clone --depth=1 https://github.com/Bash-it/bash-it.git ~/.bash_it`
-2. Run `~/.bash_it/install.sh` (it automatically backs up your `~/.bash_profile` or `~/.bashrc`, depends on your OS)
+2. Run `~/.bash_it/install.sh` (it automatically backs up your `~/.bash_profile` or `~/.bashrc`, depending on your OS)
 3. Edit your modified config (`~/.bash_profile` or `~/.bashrc`) file in order to customize Bash it.
 4. Check out available aliases, completions and plugins and enable the ones you want to use (see the next section for more details).
 
-Bash it only enables a sane default set of functionality to keep your shell lean and to avoid issues with missing dependencies. Feel free to enable the tools you want to use after the installation.
+**INSTALL OPTIONS:**
+The install script can take the following options:
+
+* `--interactive`: Asks the user which aliases, completions and plugins to enable.
+
+When run without the `--interactive` switch, Bash it only enables a sane default set of functionality to keep your shell lean and to avoid issues with missing dependencies. Feel free to enable the tools you want to use after the installation.
 
 ## Help Screens
 

install.sh

@@ -53,9 +53,43 @@ function load_one() {
   fi
 }
 
+function load_some() {
+  file_type=$1
+  [ -d "$BASH_IT/$file_type/enabled" ] || mkdir "$BASH_IT/$file_type/enabled"
+  for path in `ls $BASH_IT/${file_type}/available/[^_]*`
+  do
+    file_name=$(basename "$path")
+    while true
+    do
+      read -e -n 1 -p "Would you like to enable the ${file_name%%.*} $file_type? [y/N] " RESP
+      case $RESP in
+      [yY])
+        ln -s "../available/${file_name}" "$BASH_IT/$file_type/enabled"
+        break
+        ;;
+      [nN]|"")
+        break
+        ;;
+      *)
+        echo -e "\033[91mPlease choose y or n.\033[m"
+        ;;
+      esac
+    done
+  done
+}
+
+if [[ "$1" == "--interactive" ]]
+then
+  for type in "aliases" "plugins" "completion"
+  do
+    echo -e "\033[0;32mEnabling $type\033[0m"
+    load_some $type
+  done
+else
   echo ""
-echo "Enabling sane defaults"
+  echo -e "\033[0;32mEnabling sane defaults\033[0m"
   load_one completion bash-it.completion.bash
+fi
 
 echo ""
 echo -e "\033[0;32mInstallation finished successfully! Enjoy bash-it!\033[0m"