utils: Factorize XDG directory handling.

* guix/ui.scm (config-directory): Remove.
* guix/utils.scm (xdg-directory, config-directory): New procedures.
(cache-directory): Rewrite in terms of 'xdg-directory'.
* guix/scripts/substitute.scm (%narinfo-cache-directory): Pass #:ensure?
 #f to 'cache-directory'.

1 files changed, 0 insertions, 21 deletions

diff --git a/guix/ui.scm b/guix/ui.scm
index 4bad00e8cf..b0108d0705 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -36,7 +36,6 @@
   #:use-module (guix combinators)
   #:use-module (guix build-system)
   #:use-module (guix serialization)
-  #:use-module ((guix build utils) #:select (mkdir-p))
   #:use-module ((guix licenses) #:select (license? license-name))
   #:use-module ((guix build syscalls)
                 #:select (free-disk-space terminal-columns))
@@ -79,7 +78,6 @@
             read/eval
             read/eval-package-expression
             location->string
-            config-directory
             fill-paragraph
             texi->plain-text
             package-description-string
@@ -856,25 +854,6 @@ replacement if PORT is not Unicode-capable."
     (($ <location> file line column)
      (format #f "~a:~a:~a" file line column))))
 
-(define* (config-directory #:key (ensure? #t))
-  "Return the name of the configuration directory, after making sure that it
-exists if ENSURE? is true.  Honor the XDG specs,
-<http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html>."
-  (let ((dir (and=> (or (getenv "XDG_CONFIG_HOME")
-                        (and=> (getenv "HOME")
-                               (cut string-append <> "/.config")))
-                    (cut string-append <> "/guix"))))
-    (catch 'system-error
-      (lambda ()
-        (when ensure?
-          (mkdir-p dir))
-        dir)
-      (lambda args
-        (let ((err (system-error-errno args)))
-          ;; ERR is necessarily different from EEXIST.
-          (leave (G_ "failed to create configuration directory `~a': ~a~%")
-                 dir (strerror err)))))))
-
 (define* (fill-paragraph str width #:optional (column 0))
   "Fill STR such that each line contains at most WIDTH characters, assuming
 that the first character is at COLUMN.