profiles: Add xdg-desktop-database hook.

* guix/profiles.scm (xdg-desktop-database): New function.
(%default-profile-hooks): Add it.
This commit is contained in:
宋文武 2016-02-04 15:33:07 +08:00
parent 616fc48f26
commit 842cb82097

View file

@ -686,13 +686,49 @@ (define build
#: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