Move the options out of the prompt

So users don't have to modify the prompt to be able to change the options.

pure.zsh

@@ -4,13 +4,6 @@
 # MIT License
 
 
-# change this to your own username
-DEFAULT_USERNAME='sindresorhus'
-
-# threshold (sec) for showing cmd exec time
-CMD_MAX_EXEC_TIME=5
-
-
 # For my own and others sanity
 # git:
 # %b => current branch
@@ -33,8 +26,7 @@ zstyle ':vcs_info:git*' actionformats ' %b|%a'
 setopt PROMPT_SUBST
 
 # only show username if not default
-[ $USER != $DEFAULT_USERNAME ] && local username='%n@%m '
+[ $USER != "$PURE_DEFAULT_USERNAME" ] && local username='%n@%m '
-
 
 # fastest possible way to check if repo is dirty
 git_dirty() {
@@ -49,7 +41,7 @@ cmd_exec_time() {
 	local stop=`date +%s`
 	local start=${cmd_timestamp:-$stop}
 	let local elapsed=$stop-$start
-	[ $elapsed -gt $CMD_MAX_EXEC_TIME ] && echo ${elapsed}s
+	[ $elapsed -gt "${PURE_CMD_MAX_EXEC_TIME:=5}" ] && echo ${elapsed}s
 }
 
 preexec() {

readme.md

@@ -19,11 +19,21 @@ Most prompts are cluttered, ugly and slow. I wanted something visually pleasing
 - Can easily be used as a starting point for your own custom prompt
 
 
-## Getting Started
+## Getting started
 
-- Download `pure.zsh` or submodule this repo
+- Download `pure.zsh` or submodule this repo.
-- In your `.zshrc` add `. path/to/pure.zsh`
+- In your `.zshrc` add any of the below options, then import pure `. path/to/pure.zsh`.
-- Add your username to `DEFAULT_USERNAME`
+
+
+## Options
+
+### `PURE_DEFAULT_USERNAME`
+
+Define your username if you want to hide it from the prompt when it matches the current username.
+
+### `PURE_CMD_MAX_EXEC_TIME`
+
+The max execution time of a process before its run time is shown when it exits. Defaults to `5` seconds.
 
 
 ## Tip