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authorLudovic Courtès <ludo@gnu.org>2015-01-22 23:42:15 +0100
committerLudovic Courtès <ludo@gnu.org>2015-01-22 23:42:15 +0100
commit0a0517690dd0f65aed5f21cc7976119608ff2577 (patch)
tree0c724ade7e9e7bab4ecdfc87cf3a308deea070e1 /gnu/system.scm
parentb6c5a39701e8312b3f80509275d91e26ee03f3c9 (diff)
downloadguix-0a0517690dd0f65aed5f21cc7976119608ff2577.tar
guix-0a0517690dd0f65aed5f21cc7976119608ff2577.tar.gz
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.
Diffstat (limited to 'gnu/system.scm')
-rw-r--r--gnu/system.scm35
1 files changed, 35 insertions, 0 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index 78c63bb477..bb11189e8f 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -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)