website: Add locales in manifest.

* website/manifest.scm: Add locale definition for all our translations.

website/manifest.scm

@@ -1,6 +1,8 @@
 (use-modules (guix packages)
              ((gnu packages package-management) #:select (guix))
              ((gnu packages guile-xyz)          #:select (haunt))
+             (gnu system locale)
+             (ice-9 rdelim)
              (srfi srfi-1))
 
 (define the-good-guile
@@ -14,17 +16,51 @@
      `(("guile" ,the-good-guile)
        ,@(alist-delete "guile" (package-inputs haunt))))))
 
-(packages->manifest
- (append
-  ;; Guile needs to be compatible
-  (list
-   guix
-   the-good-guile
-   haunt-the-ghost)
+(define locales
+  (locale-directory
+    (call-with-input-file "po/LINGUAS"
+      (lambda (port)
+        (let loop ((line (read-line port))
+                   (locales '()))
+          (if (eof-object? line)
+              locales
+              (if (equal? (string-ref line 0) #\#)
+                  (loop (read-line port) locales)
+                  (loop (read-line port)
+                        (cons
+                          (locale-definition
+                            (name (string-append line ".utf8"))
+                            (source line))
+                          locales)))))))
+    #:libcs
+    (list glibc)))
 
-  ;; Other packages
-  (map specification->package
-       (list
-        "glibc-locales"
-        "git"
-        "guile-syntax-highlight"))))
+(manifest
+  (cons
+    (manifest-entry
+      (name "locales")
+      (version "0")
+      (item (computed-file "locales"
+              (with-imported-modules '((guix build utils))
+                #~(let ((out (string-append #$output "/lib/locale")))
+                    (use-modules (guix build utils))
+                    (mkdir-p out)
+                    (copy-recursively #$locales out)))))
+      (search-paths
+        (list (search-path-specification
+                (variable "GUIX_LOCPATH")
+                (files '("lib/locale"))))))
+    (manifest-entries
+      (packages->manifest
+       (append
+        ;; Guile needs to be compatible
+        (list
+         guix
+         the-good-guile
+         haunt-the-ghost)
+      
+        ;; Other packages
+        (map specification->package
+             (list
+              "git"
+              "guile-syntax-highlight")))))))