Close GH-14: Make pure.zsh loadable by the prompt system..

arch/PKGBUILD

@@ -0,0 +1,16 @@
+# Author: Sindre Sorhus
+# Maintainer: Pat Brisbin <pbrisbin@gmail.com>
+pkgname=pure
+pkgver=0.0.1
+pkgrel=1
+pkgdesc='pure prompt for zsh'
+arch=('any')
+url='https://github.com/sindresorhus/pure'
+license=('MIT')
+source=(pure.zsh)
+
+package() {
+  install -Dm644 pure.zsh \
+    "$pkgdir/usr/share/zsh/functions/Prompts/prompt_pure_setup"
+}
+md5sums=('673c5d65495ba6942938925ab4cff2d8')

pure.zsh

@@ -3,7 +3,6 @@
 # https://github.com/sindresorhus/pure
 # MIT License
 
-
 # For my own and others sanity
 # git:
 # %b => current branch
@@ -17,50 +16,32 @@
 # %m => shortname host
 # %(?..) => prompt conditional - %(condition.true.false)
 
-
-() {
-	autoload -Uz add-zsh-hook
-	autoload -Uz vcs_info
-
-	add-zsh-hook precmd pure_precmd
-	add-zsh-hook preexec pure_preexec
-
-	zstyle ':vcs_info:*' enable git
-	zstyle ':vcs_info:git*' formats ' %b'
-	zstyle ':vcs_info:git*' actionformats ' %b|%a'
-
-	# enable prompt substitution
-	setopt prompt_subst
-
-	# show username@host if logged in through SSH
-	if [[ $SSH_CLIENT != '' || $SSH_TTY != '' ]]; then
-		local username='%n@%m '
-	fi
-
 # fastest possible way to check if repo is dirty
-	pure_git_dirty() {
+prompt_pure_git_dirty() {
         # check if we're in a git repo
         command git rev-parse --is-inside-work-tree &>/dev/null || return
         # check if it's dirty
-		command git diff --quiet --ignore-submodules HEAD &>/dev/null; [ $? -eq 1 ] && echo '*'
+        command git diff --quiet --ignore-submodules HEAD &>/dev/null
+
+        (( $? == 1 )) && echo '*'
 }
 
 # displays the exec time of the last command if set threshold was exceeded
-	pure_cmd_exec_time() {
+prompt_pure_cmd_exec_time() {
         local stop=`date +%s`
         local start=${cmd_timestamp:-$stop}
         integer elapsed=$stop-$start
-		[[ $elapsed -gt ${PURE_CMD_MAX_EXEC_TIME:=5} ]] && echo ${elapsed}s
+        (( $elapsed > ${PURE_CMD_MAX_EXEC_TIME:=5} )) && echo ${elapsed}s
 }
 
-	pure_preexec() {
+prompt_pure_preexec() {
         cmd_timestamp=`date +%s`
 
         # shows the current dir and executed command in the title when a process is active
         print -Pn "\e]0;$PWD:t: $2\a"
 }
 
-	pure_precmd() {
+prompt_pure_precmd() {
         # shows the full path in the title
         print -Pn '\e]0;%~\a'
 
@@ -68,12 +49,31 @@
         vcs_info
 
         # add `%*` to display the time
-		print -P '\n%F{blue}%~%F{8}$vcs_info_msg_0_`pure_git_dirty` $username%f %F{yellow}`pure_cmd_exec_time`%f'
+        print -P '\n%F{blue}%~%F{8}$vcs_info_msg_0_`prompt_pure_git_dirty` $prompt_pure_username%f %F{yellow}`prompt_pure_cmd_exec_time`%f'
 
         # reset value since `preexec` isn't always triggered
         unset cmd_timestamp
 }
 
+
+prompt_pure_setup() {
+        prompt_opts=( cr subst percent )
+
+        autoload -Uz add-zsh-hook
+        autoload -Uz vcs_info
+
+        add-zsh-hook precmd prompt_pure_precmd
+        add-zsh-hook preexec prompt_pure_preexec
+
+        zstyle ':vcs_info:*' enable git
+        zstyle ':vcs_info:git*' formats ' %b'
+        zstyle ':vcs_info:git*' actionformats ' %b|%a'
+
+        # show username@host if logged in through SSH
+        [[ -n "$SSH_CONNECTION" ]] && prompt_pure_username='%n@%m '
+
         # prompt turns red if the previous command didn't exit with 0
         PROMPT='%(?.%F{magenta}.%F{red})❯%f '
 }
+
+prompt_pure_setup "$@"

readme.md

@@ -22,9 +22,28 @@ Most prompts are cluttered, ugly and slow. I wanted something visually pleasing
 
 ## Getting started
 
-- Submodule this repo or download `pure.zsh`.  
-  *Submodule is recommended as it makes it easy to keep it up to date.*
-- In your `.zshrc` add any of the below options, then import pure `. path/to/pure.zsh`.
+- Place this file somewhere in `$fpath` with the name `prompt_pure_setup`
+
+For example:
+
+```
+$ sudo cp ./pure.zsh /usr/share/zsh/functions/Prompts/prompt_pure_setup
+```
+
+- Initialize the prompt system (if not so already):
+
+```sh
+# .zshrc
+autoload -U promptinit
+promptinit
+```
+
+- Choose this prompt:
+
+```sh
+# .zshrc
+prompt pure
+```
 
 
 ## Options
@@ -42,8 +61,7 @@ The max execution time of a process before its run time is shown when it exits.
 # optionally define some options
 PURE_CMD_MAX_EXEC_TIME=10
 
-# import the prompt
-. pure.zsh
+prompt pure
 ```