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01/04: edit: Honor $VISUAL.


From: Ludovic Courtès
Subject: 01/04: edit: Honor $VISUAL.
Date: Wed, 11 Nov 2015 22:46:05 +0000

civodul pushed a commit to branch master
in repository guix.

commit 6237b9fa39c6ab3283c50b96520b990c8612abc1
Author: Ludovic Courtès <address@hidden>
Date:   Wed Nov 11 22:59:35 2015 +0100

    edit: Honor $VISUAL.
    
    Suggested by Andreas Enge <address@hidden>.
    
    * guix/scripts/edit.scm (%editor): Honor 'VISUAL' before 'EDITOR'.
      (show-help): Adjust accordingly.
    * doc/guix.texi (Invoking guix edit): Likewise.
---
 doc/guix.texi         |    5 +++--
 guix/scripts/edit.scm |    5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 09a860a..3b6955c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3929,8 +3929,9 @@ guix edit gcc-4.8 vim
 @end example
 
 @noindent
-launches the program specified in the @code{EDITOR} environment variable
-to edit the recipe of address@hidden and that of Vim.
+launches the program specified in the @code{VISUAL} or in the
address@hidden environment variable to edit the recipe of address@hidden
+and that of Vim.
 
 If you are using Emacs, note that the Emacs user interface provides
 similar functionality in the ``package info'' and ``package list''
diff --git a/guix/scripts/edit.scm b/guix/scripts/edit.scm
index 0509148..73a5bb7 100644
--- a/guix/scripts/edit.scm
+++ b/guix/scripts/edit.scm
@@ -38,7 +38,7 @@
 
 (define (show-help)
   (display (_ "Usage: guix edit PACKAGE...
-Start $EDITOR to edit the definitions of PACKAGE...\n"))
+Start $VISUAL or $EDITOR to edit the definitions of PACKAGE...\n"))
   (newline)
   (display (_ "
   -h, --help             display this help and exit"))
@@ -48,7 +48,8 @@ Start $EDITOR to edit the definitions of PACKAGE...\n"))
   (show-bug-report-information))
 
 (define %editor
-  (make-parameter (or (getenv "EDITOR") "emacsclient")))
+  (make-parameter (or (getenv "VISUAL") (getenv "EDITOR")
+                      "emacsclient")))
 
 (define (search-path* path file)
   "Like 'search-path' but exit if FILE is not found."



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