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author宋文武 <iyzsong@gmail.com>2016-02-04 15:33:07 +0800
committer宋文武 <iyzsong@gmail.com>2016-05-02 22:06:46 +0800
commit842cb82097288265270db3228f8231676107a8b5 (patch)
tree6f6d10c85b60c8965a491c7d56e57a65d9552946
parent616fc48f26d6302cf65358aa23a927909797dbeb (diff)
downloadguix-842cb82097288265270db3228f8231676107a8b5.tar
guix-842cb82097288265270db3228f8231676107a8b5.tar.gz
profiles: Add xdg-desktop-database hook.
* guix/profiles.scm (xdg-desktop-database): New function. (%default-profile-hooks): Add it.
-rw-r--r--guix/profiles.scm38
1 files changed, 37 insertions, 1 deletions
diff --git a/guix/profiles.scm b/guix/profiles.scm
index a3277cef71..c298bacdfc 100644
--- a/guix/profiles.scm
+++ b/guix/profiles.scm
@@ -686,13 +686,49 @@ creates the GTK+ 'icon-theme.cache' file for each theme."
#:substitutable? #f)
(return #f))))
+(define (xdg-desktop-database manifest)
+ "Return a derivation that builds the @file{mimeinfo.cache} database from
+desktop files. It's used to query what applications can handle a given
+MIME type."
+ (define desktop-file-utils
+ (module-ref (resolve-interface '(gnu packages gnome))
+ 'desktop-file-utils))
+
+ (define build
+ #~(begin
+ (use-modules (srfi srfi-26)
+ (guix build utils)
+ (guix build union))
+ (let* ((destdir (string-append #$output "/share/applications"))
+ (appdirs (filter file-exists?
+ (map (cut string-append <>
+ "/share/applications")
+ '#$(manifest-inputs manifest))))
+ (update-desktop-database (string-append
+ #+desktop-file-utils
+ "/bin/update-desktop-database")))
+ (mkdir-p (string-append #$output "/share"))
+ (union-build destdir appdirs
+ #:log-port (%make-void-port "w"))
+ (zero? (system* update-desktop-database destdir)))))
+
+ ;; Don't run the hook when 'desktop-file-utils' is not installed.
+ (if (manifest-lookup manifest (manifest-pattern (name "desktop-file-utils")))
+ (gexp->derivation "xdg-desktop-database" build
+ #:modules '((guix build utils)
+ (guix build union))
+ #:local-build? #t
+ #:substitutable? #f)
+ (with-monad %store-monad (return #f))))
+
(define %default-profile-hooks
;; This is the list of derivation-returning procedures that are called by
;; default when making a non-empty profile.
(list info-dir-file
ghc-package-cache-file
ca-certificate-bundle
- gtk-icon-themes))
+ gtk-icon-themes
+ xdg-desktop-database))
(define* (profile-derivation manifest
#:key