Refactor Plugin loading to be modular

.zshrc

@@ -1,5 +1,35 @@
 #!/bin/zsh
-#### ZSHRC - Setting up the Shell
+
+## DEBUG INFORMATION
+#
+# ZSH_SETUP_SHOW_DEBUG="true"
+#
+# Uncomment the above line to get debug information during the script setup.
+print_dbg() {
+  if [ -z $ZSH_SETUP_SHOW_DEBUG ]; then
+    return
+  fi
+  printf $@
+}
+
+# Clone zgen if you haven't already
+check_zgen_installation() {
+  if [[ -z "$ZGEN_PARENT_DIR" ]]; then
+    ZGEN_PARENT_DIR=$HOME
+  fi
+  if [[ ! -f $ZGEN_PARENT_DIR/.zgen/zgen.zsh ]]; then
+    if [[ ! -d "$ZGEN_PARENT_DIR" ]]; then
+      mkdir -p "$ZGEN_PARENT_DIR"
+    fi
+    pushd $ZGEN_PARENT_DIR
+    git clone https://github.com/tarjoilija/zgen.git ./.zgen
+    popd
+  fi
+  source $ZGEN_PARENT_DIR/.zgen/zgen.zsh
+  unset ZGEN_PARENT_DIR
+}
+
+#### ZSHrc - Setting up the Shell
 ## 
 ## Almost all actual setup is being done with the help of individual files 
 ## in the .zsh.d/ directory. They follow a specific order:
@@ -19,18 +49,6 @@
 ## will be run after numbered ones (in a random order) if you uncomment the 
 ## corresponding line below.
 
-## DEBUG INFORMATION
-#
-# ZSH_SETUP_SHOW_DEBUG="true"
-#
-# Uncomment the above line to get debug information during the script setup.
-print_dbg() {
-  if [ -z $ZSH_SETUP_SHOW_DEBUG ]; then
-    return
-  fi
-  printf $@
-}
-
 # Set ZSH_CONFIG_DIR to default to ~/.zsh.d, or let user override
 # Exit early if no configuration directory has been found
 if [ ! -d ${ZSH_CONFIG_DIR:="$HOME/.zsh.d"} ]; then
@@ -56,9 +74,30 @@ if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
 fi
 
 # set up zgen - load external zsh plugins
-if [ -f ~/.zgenrc ]; then
+# If you need to reload your plugins use 'zgen reset' and restart
+# your shell
+if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
   print_dbg "Phase 2: Setting up ZGEN\n" #//DEBUG
-  source ~/.zgenrc
+  
+  check_zgen_installation
+  
+  if ! zgen saved; then
+
+    if [ -n "$(/bin/ls $ZSH_CONFIG_DIR/)" ]; then
+      GLOB=($ZSH_CONFIG_DIR/2[0-9]-*)
+      for dotfile in $GLOB; do
+        print_dbg "Phase 3: $dotfile\n" #//DEBUG
+        if [ -r "${dotfile}" ]; then
+          source "${dotfile}"
+        fi
+      done
+      unset GLOB
+    fi
+
+    # Save it all to init script.
+    zgen save
+  fi
+  
 fi
 
 # Load additional settings (30-99) after plugin initialization