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profiles: Add xdg-mime-database hook.

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* guix/profiles.scm (xdg-mime-database): New function.
(%default-profile-hooks): Add it.
This commit is contained in:
宋文武 2016-02-04 15:35:03 +08:00
parent 842cb82097
commit 6c06b1fdac
1 changed files with 38 additions and 1 deletions
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39
guix/profiles.scm
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@ -721,6 +721,42 @@ (define build
#:substitutable? #f)
(with-monad %store-monad (return #f))))
(define (xdg-mime-database manifest)
"Return a derivation that builds the @file{mime.cache} database from manifest
entries. It's used to query the MIME type of a given file."
(define shared-mime-info
(module-ref (resolve-interface '(gnu packages gnome))
'shared-mime-info))
(define build
#~(begin
(use-modules (srfi srfi-26)
(guix build utils)
(guix build union))
(let* ((datadir (string-append #$output "/share"))
(destdir (string-append datadir "/mime"))
(mimedirs (filter file-exists?
(map (cut string-append <>
"/share/mime")
'#$(manifest-inputs manifest))))
(update-mime-database (string-append
#+shared-mime-info
"/bin/update-mime-database")))
(mkdir-p datadir)
(union-build destdir mimedirs
#:log-port (%make-void-port "w"))
(setenv "XDG_DATA_HOME" datadir)
(zero? (system* update-mime-database destdir)))))
;; Don't run the hook when 'shared-mime-info' is not installed.
(if (manifest-lookup manifest (manifest-pattern (name "shared-mime-info")))
(gexp->derivation "xdg-mime-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.
@ -728,7 +764,8 @@ (define %default-profile-hooks
ghc-package-cache-file
ca-certificate-bundle
gtk-icon-themes
xdg-desktop-database))
xdg-desktop-database
xdg-mime-database))
(define* (profile-derivation manifest
#:key