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el-get.info
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el-get.info
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This is el-get.info, produced by makeinfo version 4.13 from el-get.texi.
INFO-DIR-SECTION Emacs
START-INFO-DIR-ENTRY
* El-Get: (el-get). Using el-get to manage your Emacs Extensions.
END-INFO-DIR-ENTRY
Copyright (C) 2010, 2011, 2012, 2013 Dimitri Fontaine.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE TERMS AND
CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
File: el-get.info, Node: Top, Next: Introduction, Up: (dir)
El-Get User Manual
******************
El-Get is an Emacs Extension manager that allows you to install, update
and remove external Emacs Lisp extensions. More importantly, El-Get
will care about initializing installed extensions for you at Emacs
Startup.
* Menu:
* Introduction::
* Acknowledgments::
* Glossary::
* Installing::
* Usage::
* Setup::
* User Init::
* Recipes::
* Authoring Recipes::
File: el-get.info, Node: Introduction, Next: Acknowledgments, Prev: Top, Up: Top
1 Introduction
**************
El-Get allows you to install and manage Emacs Lisp code for Emacs. It
supports lots of differents types of sources and is able to install
them, update them and remove them, and more importantly it will init
them for you.
That means it will `require' the `features' you need, `load' the
necessary files, set the `Info' paths so that `C-h i' shows the new
documentation you now depend on, and finally call your own `post-init'
function for you to setup the extension. Or call it a package.
El-Get Version String (`M-x el-get-version') are now inspired by how
Emacs itself numbers its versions. First is the major version number,
then a dot, then the minor version number. The minor version number is
0 when still developing the next major version. So 3.0 is a developer
release while 3.1 is a stable release.
Please note that this versioning policy has been picked while backing
1.2~dev, so 1.0 was a "stable" release in fact. Ah, history.
El-Get is considered to now have reached a very stable state where it
only receives bug fixes, code refactoring, and new recipes. The current
version is now 5.1, which is stable, and maintained in the "master" git
branch.
File: el-get.info, Node: Acknowledgments, Next: Glossary, Prev: Introduction, Up: Top
2 Acknowledgments
*****************
Dimitri Fontaine started the whole project and still manages the
releases, and sometimes even contribute code and documentation.
Julien Danjou has been a contributor since very early days, about the
first beta tester of the idea, before we really knew how much to
achieve.
Ryan C. Thompson joined and commented some issues, began contributing
and quickly became top-level and most active contributor to the
project, getting a commit bit and some management duties. He manages
tests and issues on github as much as he can spares time to El-Get.
Dave Abrahams contributed lots of code and efforts to make things
right™. He's still using El-Get, but decided to retire from the project.
Lots of people (more than we can list here) did contribute to El-Get
either recipes, bug fixes or ideas to implement, often with code. That
builds up an awesome community, thanks guys!
~/dev/emacs/el-get git --no-pager shortlog -n -s | wc -l
258
~/dev/emacs/el-get git --no-pager shortlog -n -s | head -15
1058 Dimitri Fontaine
359 Ryan C. Thompson
159 Julien Danjou
110 Dave Abrahams
97 Sébastien Gross
94 Takafumi Arakaki
92 yagnesh రాఘవ
86 Ryan Thompson
73 Rüdiger Sonderfeld
62 David Holm
56 Yakkala Yagnesh Raghava
48 Alex Ott
40 Shigenobu Nishikawa
35 Damien Cassou
23 Reuben Thomas
File: el-get.info, Node: Glossary, Next: Installing, Prev: Acknowledgments, Up: Top
3 Glossary
**********
Autoload
Delay loading a package definition until its first use.
Build
Action that happens at *Note Glossary - Install::, and *Note
Glossary - Update::. Packages might skip any `build' step
entirely. When given, the build step allows to run system level
tools (think `make'), often to produce to derivative files.
Byte-Compile
Action to compile Emacs Lisp files so that loading them is faster.
El-Get is able to automatically manage that step at install and
update time so that init time is faster, see *Note Glossary -
Init::.
Dependency
Any El-Get package can depend on some others. At install time,
El-Get will make sure all dependant packages are installed first.
At init time, same thing will happen. Dependency management is
solved with a topological sort so that if you install a package
`a' that depends on a package `b' that depends on a package `c',
El-Get will install `c' then `b' then `a'.
Init
When you start Emacs you want your packages to get setup and ready
to serve whatever usage you have of this advanced Operating
System. El-Get calls this setup step the `init' and will care
about initializing your packages automatically given a *Note
Glossary - Recipe::.
Install
El-Get install a package by fetching its sources as described in
the package recipe, then running the build steps if the recipe
contains such.
Method
An El-Get method is a backend code providing facilities to fetch,
install, update and remove external code. El-Get currently
implements methods that targets `apt-get', `brew', `builtin',
`bzr', `cvs', `darcs', `elpa', `emacsmirror', `emacswiki', `fink',
`fossil', `git' and `git-svn', `github' `github-tar' and
`github-zip', `go', `hg', `http' `http-tar' and `http-zip',
`pacman' and `svn'.
Notification
El-Get notifies its user when a package is done installing,
updating or removing. It knows how to use several system level
notification facilities, such as `DBUS' or `growl'.
Package
A package is what El-Get manages for you. It's a set of Emacs Lisp
files (possible a set of a single file, possibly with some Info
documentation and build scripts, etc) that El-Get knows how to
fetch and install, update and remove, and init at Emacs Startup.
Recipe
An El-Get recipe describes a package in terms that allow El-Get to
provide its features against that package. It's easy enough to
write recipes, and fun to share them!
Remove
El-Get removes a package by simple removing the directory where the
package is installed. If you want the features of the package to
get unloaded, most often the easier way to do that is to restart
Emacs.
Status
One of `available', `installed', `required' or `removed'. When
El-Get is asked to install a package, the status is set to
`required' before to fetch and build it, so that in case of error
the system knows to try installing again.
Update
El-Get updates a package in different ways, depending on the
package type and the associated method. In some cases it's not
possible to update a package, like when it switched from `svn' to
`git' for example.
File: el-get.info, Node: Installing, Next: Usage, Prev: Glossary, Up: Top
4 Installing
************
El-Get comes with a `*scratch*'-installer. Ideally you would install
El-Get with El-Get itself, but I couldn't figure out how to do that, so
instead you have to copy and paste the following code into your
`*scratch*' buffer and evaluate it:
;; So the idea is that you copy/paste this code into your *scratch* buffer,
;; hit C-j, and you have a working el-get.
(url-retrieve
"https://raw.github.com/dimitri/el-get/master/el-get-install.el"
(lambda (s)
(goto-char (point-max))
(eval-print-last-sexp)))
To evaluate that code, you place the point at the end of the text
block (just after the last closing paren) and you type `C-j'.
* Menu:
* Install the developer version::
* Skip Emacswiki recipes when installing::
* Shallow clone when installing::
File: el-get.info, Node: Install the developer version, Next: Skip Emacswiki recipes when installing, Up: Installing
4.1 Developer version
=====================
The lazy installer uses the default `el-get-install.el' file which
targets the `stable' branch. To install El-Get directly on the
`master' branch, summon the `el-get-master-branch' variable into
existence:
;; So the idea is that you copy/paste this code into your *scratch* buffer,
;; hit C-j, and you have a working developer edition of el-get.
(url-retrieve
"https://raw.github.com/dimitri/el-get/master/el-get-install.el"
(lambda (s)
(let (el-get-master-branch)
(goto-char (point-max))
(eval-print-last-sexp))))
File: el-get.info, Node: Skip Emacswiki recipes when installing, Next: Shallow clone when installing, Prev: Install the developer version, Up: Installing
4.2 Skip Emacswiki recipes when installing
==========================================
The installer will fetch from emacswiki all the recipe available there
and install a local copy of those in your system automatically. Should
you want to disable that feature, the following snippet is showing how
to:
;; So the idea is that you copy/paste this code into your *scratch* buffer,
;; hit C-j, and you have a working el-get (without emacswiki automatic
;; recipes).
(url-retrieve
"https://raw.github.com/dimitri/el-get/master/el-get-install.el"
(lambda (s)
(let (el-get-install-skip-emacswiki-recipes)
(goto-char (point-max))
(eval-print-last-sexp))))
File: el-get.info, Node: Shallow clone when installing, Prev: Skip Emacswiki recipes when installing, Up: Installing
4.3 Shallow clone when installing
=================================
`--depth 1'
Should you want to run `git-clone' with `--depth 1' when installing
El-Get itself, the following snippet is showing how to:
(url-retrieve
"https://raw.github.com/dimitri/el-get/master/el-get-install.el"
(lambda (s)
(let (el-get-install-shallow-clone)
(goto-char (point-max))
(eval-print-last-sexp))))
File: el-get.info, Node: Usage, Next: Setup, Prev: Installing, Up: Top
5 Usage
*******
Now that El-Get is installed, simply use `M-x el-get-install' and pick
whatever package you need.
Here's a list of commands provided by El-Get:
`el-get-list-packages'
List all available packages with their names, *Note Glossary -
Status::, and description. Name and description are taken from the
recipe file of the package.
You can find which recipe file is used for a given package using
`el-get-find-recipe-file' or `el-get-describe'.
`el-get-describe'
Offers a full text description of a package with buttons to
install, remove and update, and with the recipe content.
`el-get-find-recipe-file'
Find the recipe file for given recipe, prompted.
`el-get-install'
Install given package, as prompted.
`el-get-init'
Initialize given package, as prompted. If some user code is setup
to be run at initialisation, it will get run by this command. See
*Note User Init::.
`el-get-update'
Update a given package, as prompted. In some cases a straight
update is not possible (recipe switched from CVS to git is a common
reason). El-Get will try and detect such cases and do
`el-get-remove' then `el-get-install' if necessary.
Please realise that updating packages might break your current
package setup and that you will have to revisit your setup
accordingly.
`el-get-remove'
Remove given package, as prompted.
`el-get-self-update'
Update El-Get itself, and force that update to be synchronous. That
allows to make sure you're not updating El-Get code while trying to
update or install some other package at the same time.
`el-get-update-all'
Will update all packages that have the `installed' status in your
status file. Before the update you will be prompted for
confirmation that you wish to proceed.
Beware that using this function can lead to hours of settings
review: more often than not updating a package requires some
adjustments to your setup. Updating all of them at once will
require reviewing almost all your setup.
`el-get-reload'
Reload the given package files. Happens automatically at update
time too.
File: el-get.info, Node: Setup, Next: User Init, Prev: Usage, Up: Top
6 Setup
*******
El-Get setup can be very simple or arbitrarily complex. This chapter
explains how to do the very basic setup, which allow for using `M-x
el-get-install' and friends, then how to get a more involved setup.
* Menu:
* Basic Setup::
* The el-get function::
* Distributed Setup::
* The el-get-bundle macro::
* Setup Customization::
File: el-get.info, Node: Basic Setup, Next: The el-get function, Up: Setup
6.1 Basic Setup
===============
You can then arrange to have El-Get part of your setup, so that at next
emacs startup the installed packages are initialized.
(add-to-list 'load-path (expand-file-name "el-get/el-get" user-emacs-directory))
(unless (require 'el-get nil t)
(with-current-buffer
(url-retrieve-synchronously
"https://raw.github.com/dimitri/el-get/master/el-get-install.el")
(goto-char (point-max))
(eval-print-last-sexp)))
(add-to-list 'el-get-recipe-path "~/.emacs.d/el-get-user/recipes")
(el-get 'sync)
The `el-get' command will check that each and every package is
installed on your system (in `el-get-dir' and if that's not the case,
it will actually install it. Then, it will init the packages: that
means caring about the `load-path', the `Info-directory-list' (and dir
texinfo menu building) the loading of the emacs-lisp files, and finally
it will require the features or eval the package `autoloads'.
This usage is pretty simple to setup and use, but fails to cater with
more complex setups involving multiple deployments (home and work
laptop would be a classic example). El-Get fully supports that
distributed setup, though, and this chapter explain how.
File: el-get.info, Node: The el-get function, Next: Distributed Setup, Prev: Basic Setup, Up: Setup
6.2 The el-get function
=======================
Ensure that packages have been downloaded once and init them as needed.
This will not update the sources by using `apt-get install' or `git
pull', but it will ensure that:
* the packages have been installed
* load-path is set so their elisp files can be found
* Info-directory-list is set so their info files can be found
* Autoloads have been prepared and evaluated for each package
* Any post-installation setup (e.g. `(require 'feature)') happens
When SYNC is `nil' (the default), all installations run
concurrently, in the background.
When SYNC is `sync', each package will be installed synchronously,
and any error will stop it all.
Please note that the `el-get-init' part of `el-get' is always done
synchronously. There's `byte-compile' support though, and the packages
you use are welcome to use `autoload' too. You can also force your
setup to be loaded lazily with the `el-get-is-lazy' variable.
`PACKAGES' is expected to be a list of packages you want to install
or init. When `PACKAGES' is omited (the default), the list of already
installed packages is considered.
File: el-get.info, Node: Distributed Setup, Next: The el-get-bundle macro, Prev: The el-get function, Up: Setup
6.3 Distributed Setup
=====================
When you are sharing your emacs setup between several machines (work
and home destops, laptop, etc); it's usual to manage your `.emacs.d'
setup in a distributed repository (such as `git'). El-Get then provides
an easy canonical list of packages you depend on to run emacs, and this
documentation is usable as-is. It is recommended that you not store the
El-Get tree in git, however; to prevent this, so you can add a pattern
`/el-get' to `.emacs.d/.gitignore'.
(add-to-list 'load-path (expand-file-name "el-get/el-get" user-emacs-directory))
(require 'el-get)
;; local sources
(setq el-get-sources
'((:name magit
:after (global-set-key (kbd "C-x C-z") 'magit-status))
(:name asciidoc
:type elpa
:after (progn
(autoload 'doc-mode "doc-mode" nil t)
(add-to-list 'auto-mode-alist '("\\.adoc$" . doc-mode))
(add-hook 'doc-mode-hook
'(lambda ()
(turn-on-auto-fill)
(require 'asciidoc)))))
(:name lisppaste :type elpa)
(:name emacs-goodies-el :type apt-get)))
(setq my-packages
(append
'(cssh el-get switch-window vkill google-maps nxhtml xcscope yasnippet)
(mapcar 'el-get-source-name el-get-sources)))
(el-get 'sync my-packages)
Please note that when you unreference a package from `my-packages',
it remains locally installed.
Going one step further with the idea of a canonical list, el-get
provides the command `el-get-cleanup', which will remove all packages
absent from `my-packages'. This allows, in effect, to put under version
control only the user init file, instead of the whole `.emacs.d'
directory, and still enjoy a truly portable emacs configuration.
In the code example above, replace the last line with the following:
(el-get-cleanup my-packages)
(el-get 'sync my-packages)
You can also use `el-get-bundle' macro as a syntactic sugar to
specify a local source to install. With this macro, nothing other than
specified packages is installed.
(add-to-list 'load-path (expand-file-name "el-get/el-get" user-emacs-directory))
(require 'el-get)
;; packages from recipe files
(el-get 'sync
'(cssh el-get switch-window vkill google-maps nxhtml xcscope yasnippet))
;; local sources
(el-get-bundle magit
(global-set-key (kbd "C-x C-z") 'magit-status))
(el-get-bundle elpa:asciidoc
(autoload 'doc-mode "doc-mode" nil t)
(add-to-list 'auto-mode-alist '("\\.adoc$" . doc-mode))
(add-hook 'doc-mode-hook
'(lambda ()
(turn-on-auto-fill)
(require 'asciidoc))))
(el-get-bundle elpa:lisppaste)
(el-get-bundle apt-get:emacs-goodies-el)
File: el-get.info, Node: The el-get-bundle macro, Next: Setup Customization, Prev: Distributed Setup, Up: Setup
6.4 The el-get-bundle macro
===========================
The macro `el-get-bundle' is a syntactic sugar which allows you to tell
El-Get to install some package with a local source definition and
initialization code for the package. It is called in a form
`(el-get-bundle PACKAGE PROPERTIES CODE)', where PACKAGE specifies a
package name, PROPERTIES specifies a local recipe definition and CODE
specifies initialization code.
6.4.1 Just install some package
-------------------------------
To install a package whose source is already defined in a recipe file,
use `el-get-bundle' macro with the package name.
(el-get-bundle color-moccur)
This is essentially equivalent to the following code.
(el-get 'sync 'color-moccur)
6.4.2 Install some package with requiring it
--------------------------------------------
If you also want to `require' the package, use `el-get-bundle!' macro.
(el-get-bundle! color-moccur)
When the name of the feature you require is different from the
package name (the recipe name), use `FEATURE in PACKAGE' form.
(el-get-bundle! yaicomplete in github:tarao/elisp)
If you wish to `require' more than one feature, then put them in a
`:features' property.
(el-get-bundle github:tarao/elisp
:features (yaicomplete mode-line-color))
6.4.3 Install some package and configure it
-------------------------------------------
You can write initalization code after the package name.
(el-get-bundle anything
(global-set-key (kbd "C-x b") #'anything-for-files))
You can provide multiple initialization code for a single package by
writing `el-get-bundle' macro call may times. Each initialization code
is evaluated when the corresponding `el-get-bundle' macro call is
evaluated.
Initialization code is automatically compiled when they are evaluated
for the first time (after you modified the file enclosing the code) if
`el-get-bundle-byte-compile' is non-nil. The initialization code is
saved to a file in `el-get-bundle-init-directory' together with a
compiled version.
Note that you should not call functions or refer to variables defined
in the package if the package is going to be autoloaded. In such case,
you should use `with-eval-after-load' macro.
(el-get-bundle anything
(global-set-key (kbd "C-x b") #'anything-for-files))
(with-eval-after-load 'anything
;; referring to `anything-map' requires "anything.el" to be loaded
(define-key anything-map (kbd "M-n") #'anything-next-source)
(define-key anything-map (kbd "M-p") #'anything-previous-source))
If you want the form passed to `with-eval-after-load' to be compiled
together with the initialization code, you can use tarao's
`with-eval-after-load-feature'
(https://github.com/tarao/with-eval-after-load-feature-el) instead or
you will get "reference to free variable" warnings during the
compilation.
(el-get-bundle with-eval-after-load-feature)
(el-get-bundle anything
(global-set-key (kbd "C-x b") #'anything-for-files)
(with-eval-after-load-feature 'anything
;; referring to `anything-map' requires "anything.el" to be loaded
(define-key anything-map (kbd "M-n") #'anything-next-source)
(define-key anything-map (kbd "M-p") #'anything-previous-source)))
6.4.4 Pass options to package source definitions
------------------------------------------------
If you want to override a package source definition in a recipe file or
define a new definition, you can pass a property list after the package
name.
For example, if you want to install `zenburn-theme' but want to use
other version than El-Get's default recipe, you can reuse the default
recipe with overriding `:url' option.
(el-get-bundle zenburn-theme
:url "http://raw.github.com/bbatsov/zenburn-emacs/master/zenburn-theme.el"
(load-theme 'zenburn t))
If you want to define a new package source, then supply full options.
(el-get-bundle! zlc
:type github :pkgname "mooz/emacs-zlc"
:description "Provides zsh like completion for minibuffer in Emacs"
:website "http://d.hatena.ne.jp/mooz/20101003/p1")
The property `:type' is required if the package source is already
defined but you don't reuse it. Otherwise, if the package source is not
defined yet, you can omit `:type' property as long as it can be guessed
from `:url'.
(el-get-bundle! zlc :url "http://github.com/mooz/emacs-zlc.git")
;; equivalent to
;; (el-get-bundle! zlc :type git :url "http://github.com/mooz/emacs-zlc.git")
For further information on available properties for a recipe source,
*Note Recipe format::.
6.4.5 Syntax sugars for package source definitions
--------------------------------------------------
There are some ways to specify package source options by package name
modifiers. With these modifiers, you can omit `:type' property.
`OWNER/'
Specifies a github owner name.
`gist:ID'
Specifies a gist ID.
`TYPE:'
Specifies a type for the package.
(el-get-bundle tarao/tab-group)
;; equivalent to
;; (el-get-bundle tab-group :type github :pkgname "tarao/tab-group")
(el-get-bundle! gist:4362564:init-loader)
;; equivalent to
;; (el-get-bundle! init-loader :type git :url "http://gist.github.com/4362564.git")
(el-get-bundle elpa:undo-tree)
;; equivalent to
;; (el-get-bundle undo-tree :type elpa)
6.4.6 Customization
-------------------
`el-get-bundle-init-dir'
Directory where a copy of initialization code specified in a
`el-get-bundle' macro call and its byte-compiled version are
saved. Defaults to `~/.emacs.d/el-get/bundle-init/'.
`el-get-bundle-byte-compile'
Whether to compile initialization code in a `el-get-bundle' macro
call. Defaults to `t'.
File: el-get.info, Node: Setup Customization, Prev: The el-get-bundle macro, Up: Setup
6.5 Setup Customization
=======================
Even though the defaults that are provided by El-Get provide all that
you need to get it working, there may be a reason to manually define
certain settings, particularly for portability.
`el-get-dir'
Path where packages are installed. Defaults to
`~/.emacs.d/el-get/'.
`el-get-install-dir'
Path for the `el-get' package. Defaults to
`~/.emacs.d/el-get/el-get'.
`el-get-install-branch'
If this is set, El-Get will be installed using the target
`branch'. This takes precedence over setting
`el-get-master-branch' in the installation settings, see *Note
Installing::.
`el-get-git-install-url'
Use this to specify your own fork of El-Get for installation.
`el-get-recipe-path-elpa'
This directory stores a local list of ELPA recipes.
`~/.emacs.d/el-get/el-get/recipes/elpa'
`el-get-recipe-path-emacswiki'
As above for ELPA, this directory stores a local list of emacswiki
recipes. Defaults to `~/.emacs.d/el-get/el-get/recipes/emacswiki/'.
`el-get-allow-insecure'
This determines whether or not El-Get will attempt to install
packages over insecure connections; setting it to nil
(recommended) will cause it to abort upon any install or update
operation which uses an unencrypted URL.
File: el-get.info, Node: User Init, Next: Recipes, Prev: Setup, Up: Top
7 User Init
***********
The main task performed by El-Get is package initialization at Emacs
startup. It will care about all of them, their dependencies, and call
code provided by the recipe author. You can add your own setup code and
register it in a way that El-Get will evaluate it at the right time.
The package setup can either go into the `:after' property, or in a
file named `init-package.el' in `el-get-user-package-directory'. Any
such named file will get automatically loaded by El-Get at package init
time, if it exists.
* Menu:
* Before and After properties ::
* Initialization files::
File: el-get.info, Node: Before and After properties, Next: Initialization files, Up: User Init
7.1 Before and After properties
===============================
The `:before' and `:after' properties are evaluated by El-Get in the
package initialization sequence.
`:before'
This should be a lisp form to evaluate after both the
`Info-directory-list' and the `load-path' variables have been
taken care of, but before loading the package or any further
action from `el-get-init'. It will be run with the variable
`default-directory' set to the package directory.
`:after'
This should be a lisp form to evaluate after loading the package.
This function is registered for `eval-after-load' against the
recipe library by `el-get-init' once the `:load' and `:features'
have been setup. It will be run with the variable
`default-directory' set to the package directory.
Here's a couple of examples of package recipes that are using
`:before' and `:after' properties:
(:name asciidoc
:type elpa
:after (lambda ()
(autoload 'doc-mode "doc-mode" nil t)
(add-to-list 'auto-mode-alist '("\\.adoc$" . doc-mode))
(add-hook 'doc-mode-hook '(lambda ()
(turn-on-auto-fill)
(require 'asciidoc)))))
(:name anything
:features anything-config
:before (global-set-key (kbd "M-s a") 'dim:anything-occur)
:after (setq w3m-command nil))
File: el-get.info, Node: Initialization files, Prev: Before and After properties, Up: User Init
7.2 Initialization files
========================
El-Get will see if a file named `init-package.el' exists in the
directory pointed at by the `el-get-user-package-directory' variable.
When this variable is not nil and if such a file does exist in the
directory, then El-Get will load the user init file for PACKAGE.
The initialization file is loaded at the same time as the `:after'
property would have be run, and just before it if you provide both.
El-Get automatically byte compiles the init file as needed and load
the compiled version.
File: el-get.info, Node: Recipes, Next: Authoring Recipes, Prev: User Init, Up: Top
8 Recipes
*********
All of El-Get behavior is controled with recipes that you can share,
download, update and author. This chapter explain how to manage your
recipes and how to author them and ship them.
Recipes are a list of properties, which are documented in the
variable EL-GET-SOURCES.
* Menu:
* Organizing recipes::
* Getting more recipes::
* Overriding package files::
File: el-get.info, Node: Organizing recipes, Next: Getting more recipes, Up: Recipes
8.1 Organizing recipes
======================
El-Get needs to find a package recipe to be able to install or update
it. After that the recipe content is saved in the status file and
cached, so that you can still start Emacs even if you remove the recipe
file.
The variable `el-get-recipe-path' is a list of directory paths to
search for recipe files, in order. The recipe for a package `example'
must be named `example.rcp'. The first file named that way in the
`el-get-recipe-path' variable is used as the recipe. If you need to
change it, you should do so immediately before running `el-get'; see
the example in *Note Basic Setup::.
To check which recipe is used for a given package, use either the
`M-x el-get-describe' or `M-x el-get-find-recipe-file' command.
This organisation with several path allow you to setup El-Get to use
its own recipes, recipes automatically created from online resources
(such as Emacswiki), and your own local recipes.
As it's easy for El-Get to use your own recipes in the exact same way
than it uses its own recipes, it allows you to share them very easily.
Send the file to a friend and have it store it at the right place.
It's also possible to setup `el-get-sources' with recipe
information. As long as the `type' property is not filled in
`el-get-sources', El-Get will first find the recipe as usual and then
merge the recipe content with the recipe skeleton provided by the
matching `el-get-sources' stanza.
El-Get also supports full User Init files, see *Note User Init::.
File: el-get.info, Node: Getting more recipes, Next: Overriding package files, Prev: Organizing recipes, Up: Recipes
8.2 Getting more recipes
========================
The command `M-x el-get-emacswiki-refresh' downloads the list of Emacs
Lisp files available at EmacsWiki. El-Get is able to automatically
install any such file at the right place in `el-get-dir'. The
integration of an automatically generated recipe is often not enough,
you often have to add some initialisation code. See *Note User Init::.
The command `el-get-elpa-build-local-recipes' downloads the list of
Emacs Lisp Packages from the ELPA archives you have setup, and make
them automatically available for El-Get.
File: el-get.info, Node: Overriding package files, Prev: Getting more recipes, Up: Recipes
8.3 Overriding package files
============================
El-Get manages the files associated with a package. You can browse
those files using the `el-get-cd' function. It's possible to hack on
those files, be aware that doing so might break your setup capability
to handle upgrades.
File: el-get.info, Node: Authoring Recipes, Prev: Recipes, Up: Top
9 Authoring Recipes
*******************
Authoring recipes is often very easy. El-Get goal is to adapt to any
Emacs Lisp code and distribution you can find out there in the wild, so
the list of features supported is quite large. Simple cases are very
simple, though.
If you want to submit recipes as pull request, please make sure to
run recipe checker (*note Recipe checker::) and paste the result in the
pull request comment.
* Menu:
* Recipe format::
* Dependencies::
* Byte Compilation::
* Autoloads::
* Build::
* Recipe checker::
File: el-get.info, Node: Recipe format, Next: Dependencies, Up: Authoring Recipes
9.1 Recipe format
=================
The recipe for the hypothetical package named `el-get-example' must be
provided in a file named `el-get-example.rcp'. This file will be
searched for as described in *Note Organizing recipes::. The variable
`el-get-sources' is also considered as a recipe source, as detailed in
*Note Organizing recipes::.
A recipe file contains a lisp property list. Accepted properties are
described in the documentation for the variable `el-get-sources', and
their possible values are described at the same place.
If your property list is missing the `:type' property, then it's
merged with the recipe one, so that you can override any definition
provided by `el-get' recipes locally.
`:name'
The name of the package. It can be different from the name of the
directory where the package is stored (after a `git clone' for
example), in which case a symlink will be created.
`:depends'
A single package name, or a list of package names, on which the
package depends. All of a packages dependencies will be installed
before the package is installed.
`:builtin'
A string containing the Emacs version (see EMACS-MAJOR-VERSION
variable) from which Emacs includes the recipe as a builtin. For
example, `package.el' (the implementation of ELPA) is part of
Emacs 24 but needs an external recipe for previous major versions.
Unlike the builtin `:type' no `:build' or `:info' properties are
executed if this matches.
`:pkgname'
The name of the package for the underlying package management
system (apt-get, fink or pacman, also supported by github and
emacsmirror), which can be different from the Emacs package name.
`:type'
The type of the package, currently el-get offers support for
apt-get, elpa, git, github, emacsmirror, git-svn, bzr svn, cvs,
darcs, fink, ftp, emacswiki, http-tar, pacman, hg and http. You
can easily support your own types here, see EL-GET-METHODS.
`:branch'
Which branch to fetch when using git (and by extension, github and
emacsmirror, which are derived from git). Also supported in the
installer in el-get-install.
`:url'
Where to fetch the package, only meaningful for git and http types.
`:username, :pkgname'
For the github type, these specify the user name and repo name to
clone from Github. For example, for el-get, the user name would be
`"dimitri"' , and the repo name would be `"el-get"' . As described
above, the `:pkgname' property is only required if the repo name
on Github differs from the Emacs package name. Note that the
emacsmirror type is just like the github type with `:username' set
to `"emacsmirror"' .
`:build'
Your build recipe, a list. A build command C whose `car' is a
symbol (see `symbolp') will be replaced by (eval C).
Then, each element of the recipe will be interpreted as a command:
If the element is a list of string, the first element of the list
must be the program to call, and each following element a different
argument to the call. No whitespace parsing is done.
Otherwise, if it is a list, any list sub-elements will be
recursively "flattened" (see `el-get-flatten'). The resulting
strings will be interpreted as individual shell arguments,
appropriately quoted.
`:build/system-type'