Merge remote-tracking branch 'upstream/master' into refactor-plugin-loading-functionality

oh-my-zsh.sh

@@ -1,6 +1,6 @@
 # Check for updates on initial load...
 if [ "$DISABLE_AUTO_UPDATE" != "true" ]; then
-  /usr/bin/env ZSH=$ZSH DISABLE_UPDATE_PROMPT=$DISABLE_UPDATE_PROMPT zsh -f $ZSH/tools/check_for_upgrade.sh
+  env ZSH=$ZSH DISABLE_UPDATE_PROMPT=$DISABLE_UPDATE_PROMPT zsh -f $ZSH/tools/check_for_upgrade.sh
 fi
 
 # Initializes Oh My Zsh
@@ -8,18 +8,20 @@ fi
 # add a function path
 fpath=($ZSH/functions $ZSH/completions $fpath)
 
-# Load all of the config files in ~/oh-my-zsh that end in .zsh
-# TIP: Add files you don't want in git to .gitignore
-for config_file ($ZSH/lib/*.zsh); do
-  source $config_file
-done
-
 # Set ZSH_CUSTOM to the path where your custom config files
 # and plugins exists, or else we will use the default custom/
 if [[ -z "$ZSH_CUSTOM" ]]; then
     ZSH_CUSTOM="$ZSH/custom"
 fi
 
+# Load all of the config files in ~/oh-my-zsh that end in .zsh
+# TIP: Add files you don't want in git to .gitignore
+for config_file ($ZSH/lib/*.zsh); do
+  custom_config_file="${ZSH_CUSTOM}/lib/${config_file:t}"
+  [ -f "${custom_config_file}" ] && config_file=${custom_config_file}
+  source $config_file
+done
+
 
 is_plugin() {
   local base_dir=$1
@@ -57,15 +59,17 @@ for plugin ($plugins); do
 done
 
 # Figure out the SHORT hostname
-if [ -n "$commands[scutil]" ]; then
-  # OS X
-  SHORT_HOST=$(scutil --get ComputerName)
+if [[ "$OSTYPE" = darwin* ]]; then
+  # OS X's $HOST changes with dhcp, etc. Use ComputerName if possible.
+  SHORT_HOST=$(scutil --get ComputerName 2>/dev/null) || SHORT_HOST=${HOST/.*/}
 else
   SHORT_HOST=${HOST/.*/}
 fi
 
 # Save the location of the current completion dump file.
-ZSH_COMPDUMP="${ZDOTDIR:-${HOME}}/.zcompdump-${SHORT_HOST}-${ZSH_VERSION}"
+if [ -z "$ZSH_COMPDUMP" ]; then
+  ZSH_COMPDUMP="${ZDOTDIR:-${HOME}}/.zcompdump-${SHORT_HOST}-${ZSH_VERSION}"
+fi
 
 # Load and run compinit
 autoload -U compinit