pacman: Simplify support for AUR helpers

There are a number of things happening here.

- Extra support for yaourt has been removed
- Docs have been updated to explicitly call out that AUR helpers are not
  officially supported
- aurutils has been suggested to make common operations easier
- A utility function called aurget (similar to aurfetch from aurutils)
  has been added to make cloning AUR repos easier.

Fixes #1531

modules/pacman/README.md

@@ -8,23 +8,20 @@ Settings
 --------
 
 It is possible to use a Pacman frontend with the pacman aliases provided by this
-package as long as that frontend supports the same command line options (Such as
-[Pacaur][2] or [Yaourt][3]).
+package as long as that frontend supports the same command line options (The
+[AUR Helpers][2] page has a good comparison which lists if the command line
+options are pacman compatible).
 
-To enable a Pacman frontend, for example, [Pacaur][2], add the following line to
-*zpreztorc*:
+Please note that installing packages with an AUR Helper is not officially
+supported by Archlinux. It is currently recommended to manually build AUR
+packages using the [provided instructions][3]. The [aurtools][4] project has a
+set of small utilities to make this easier.
 
-```sh
-zstyle ':prezto:module:pacman' frontend 'pacaur'
-```
-
-If you have enabled color globally in *zpreztorc*, you may disable it for certain
-commands.
-
-To disable `yaourt` highlighting, add the following line to *zpreztorc*:
+To enable a Pacman frontend, add the following line to *zpreztorc*, substituting
+`pacman_frontend` with the name of the frontent:
 
 ```sh
-zstyle ':prezto:module:pacman:yaourt' color 'no'
+zstyle ':prezto:module:pacman' frontend 'pacman_frontend'
 ```
 
 Aliases
@@ -50,28 +47,23 @@ Aliases
 
 ### Frontends
 
-#### Yaourt
-
-Note that there are currently potential security concerns relating to yaourt, so
-other frontends are recommended.
-
-  - `pacc` manages *.pac\** files.
-
 Functions
 ---------
 
+  - `aurget` clone an aur package
   - `pacman-list-explicit` lists explicitly installed pacman packages.
   - `pacman-list-disowned` lists pacman disowned files.
 
 Authors
 -------
 
-*The authors of this module should be contacted via the [issue tracker][4].*
+*The authors of this module should be contacted via the [issue tracker][5].*
 
   - [Benjamin Boudreau](https://github.com/dreur)
   - [Sorin Ionescu](https://github.com/sorin-ionescu)
 
 [1]: http://www.archlinux.org/pacman/
-[2]: https://github.com/rmarquis/pacaur
-[3]: http://archlinux.fr/yaourt-en
-[4]: https://github.com/sorin-ionescu/prezto/issues
+[2]: https://wiki.archlinux.org/index.php/AUR_helpers#Comparison_table
+[3]: https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
+[4]: https://github.com/AladW/aurutils
+[5]: https://github.com/sorin-ionescu/prezto/issues

modules/pacman/init.zsh

@@ -23,10 +23,6 @@ zstyle -s ':prezto:module:pacman' frontend '_pacman_frontend'
 
 if (( $+commands[$_pacman_frontend] )); then
   alias pacman="$_pacman_frontend"
-
-  if [[ -s "${0:h}/${_pacman_frontend}.zsh" ]]; then
-    source "${0:h}/${_pacman_frontend}.zsh"
-  fi
 else
   _pacman_frontend='pacman'
   _pacman_sudo='sudo '
@@ -81,4 +77,12 @@ fi
 # upgrades outdated packages.
 alias pacU="${_pacman_sudo}${_pacman_frontend} --sync --refresh --sysupgrade"
 
+function aurget {
+  local target_dir="$1"
+  if [[ -n "$2" ]]; then
+    target_dir="$2"
+  fi
+  git clone "https://aur.archlinux.org/$1" "$target_dir"
+}
+
 unset _pacman_{frontend,sudo}

modules/pacman/yaourt.zsh

@@ -1,18 +0,0 @@
-#
-# Defines Yaourt aliases.
-#
-# Authors:
-#   Sorin Ionescu <sorin.ionescu@gmail.com>
-#
-
-#
-# Aliases
-#
-
-# Disable color.
-if ! zstyle -t ':prezto:module:pacman:yaourt' color; then
-  alias pacman='yaourt --nocolor'
-fi
-
-# Manages .pac* files.
-alias pacc='yaourt -C'