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profiles: Add gtk-icon-themes hook. 

* guix/profiles.scm (gtk-icon-themes): New function.
  (%default-profile-hooks): Add it.
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宋文武 2015-05-27 20:58:27 +08:00
parent 628bd9b8a7
commit b04af0ec67
1 changed files with 78 additions and 1 deletions
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79
guix/profiles.scm
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@ -3,6 +3,7 @@
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -588,12 +589,88 @@ MANIFEST. Single-file bundles are required by programs such as Git and Lynx."
#:modules '((guix build utils))
#:local-build? #t))
(define (gtk-icon-themes manifest)
"Return a derivation that unions all icon themes from manifest entries and
creates the GTK+ 'icon-theme.cache' file for each theme."
;; Return as a monadic value the GTK+ package or store path referenced by the
;; manifest ENTRY, or #f if not referenced.
(define (entry-lookup-gtk+ entry)
(define (find-among-packages packages)
(find (lambda (package)
(equal? "gtk+" (package-name package)))
packages))
(define (find-among-store-items items)
(find (lambda (item)
(equal? "gtk+"
(package-name->name+version
(store-path-package-name item))))
items))
;; TODO: Factorize.
(define references*
(store-lift references))
(with-monad %store-monad
(match (manifest-entry-item entry)
((? package? package)
(match (package-transitive-inputs package)
(((labels packages . _) ...)
(return (find-among-packages packages)))))
((? string? item)
(mlet %store-monad ((refs (references* item)))
(return (find-among-store-items refs)))))))
(define (manifest-lookup-gtk+ manifest)
(anym %store-monad
entry-lookup-gtk+ (manifest-entries manifest)))
(mlet %store-monad ((gtk+ (manifest-lookup-gtk+ manifest)))
(define build
#~(begin
(use-modules (guix build utils)
(guix build union)
(srfi srfi-26)
(ice-9 ftw))
(let* ((destdir (string-append #$output "/share/icons"))
(icondirs (filter file-exists?
(map (cut string-append <> "/share/icons")
'#$(manifest-inputs manifest))))
(update-icon-cache (string-append
#+gtk+ "/bin/gtk-update-icon-cache")))
;; XXX: Should move to (guix build utils).
(define ensure-writable-directory
(@@ (guix build profiles) ensure-writable-directory))
;; Union all the icons.
(mkdir-p (string-append #$output "/share"))
(union-build destdir icondirs)
;; Update the 'icon-theme.cache' file for each icon theme.
(for-each
(lambda (theme)
(let ((dir (string-append #$output "/share/icons/" theme)))
(ensure-writable-directory dir)
(system* update-icon-cache "-t" dir)))
(scandir destdir (negate (cut member <> '("." ".."))))))))
;; Don't run the hook when there's nothing to do.
(if gtk+
(gexp->derivation "gtk-icon-themes" build
#:modules '((guix build utils)
(guix build union)
(guix build profiles)
(guix search-paths)
(guix records))
#:local-build? #t)
(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))
ca-certificate-bundle
gtk-icon-themes))
(define* (profile-derivation manifest
#:key