system: Create /etc/emacs/site-start.el.

* gnu/system.scm (emacs-site-file, emacs-site-directory): New
  procedures.
  (etc-directory): Add 'EMACSLOADPATH' setting to PROFILE.  Call
  'emacs-site-directory', and bind its result to /etc/emacs.
This commit is contained in:
Ludovic Courtès 2015-01-22 23:42:15 +01:00
parent b6c5a39701
commit 0a0517690d
1 changed files with 35 additions and 0 deletions

View File

@ -372,6 +372,36 @@ This is the GNU system. Welcome.\n")
"Return the default /etc/hosts file."
(text-file "hosts" (local-host-aliases host-name)))
(define (emacs-site-file)
"Return the Emacs 'site-start.el' file. That file contains the necessary
settings for 'guix.el' to work out-of-the-box."
(gexp->file "site-start.el"
#~(progn
;; Add the "normal" elisp directory to the search path;
;; guix.el may be there.
(add-to-list
'load-path
"/run/current-system/profile/share/emacs/site-lisp")
;; Attempt to load guix.el.
(require 'guix-init nil t)
(when (require 'geiser-guile nil t)
;; Make sure Geiser's Scheme modules are in Guile's search
;; path.
(add-to-list
'geiser-guile-load-path
"/run/current-system/profile/share/geiser/guile")))))
(define (emacs-site-directory)
"Return the Emacs site directory, aka. /etc/emacs."
(mlet %store-monad ((file (emacs-site-file)))
(gexp->derivation "emacs"
#~(begin
(mkdir #$output)
(chdir #$output)
(symlink #$file "site-start.el")))))
(define* (etc-directory #:key
(locale "C") (timezone "Europe/Paris")
(issue "Hello!\n")
@ -390,6 +420,7 @@ This is the GNU system. Welcome.\n")
/bin/sh
/run/current-system/profile/bin/sh
/run/current-system/profile/bin/bash\n"))
(emacs (emacs-site-directory))
(issue (text-file "issue" issue))
;; For now, generate a basic config so that /etc/hosts is honored.
@ -410,12 +441,16 @@ export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin
export PATH=/run/setuid-programs:/run/current-system/profile/sbin:$PATH
export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man
export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info
# Append the directory of 'site-start.el' to the search path.
export EMACSLOADPATH=:/etc/emacs
"))
(skel (skeleton-directory skeletons)))
(file-union "etc"
`(("services" ,#~(string-append #$net-base "/etc/services"))
("protocols" ,#~(string-append #$net-base "/etc/protocols"))
("rpc" ,#~(string-append #$net-base "/etc/rpc"))
("emacs" ,#~#$emacs)
("pam.d" ,#~#$pam.d)
("login.defs" ,#~#$login.defs)
("issue" ,#~#$issue)