profiles: Factor out 'manifest-lookup-package'.

* guix/profiles.scm (manifest-lookup-package): New procedure.
(gtk-icon-themes, xdg-desktop-database, xdg-mime-database): Use it.
This commit is contained in:
宋文武 2016-04-30 14:52:30 +08:00
parent 7236045314
commit d72d783301
1 changed files with 93 additions and 95 deletions

View File

@ -445,6 +445,40 @@ replace it."
(cons (gexp-input thing output) deps)))
(manifest-entries manifest)))
(define (manifest-lookup-package manifest name)
"Return as a monadic value the first package or store path referenced by
MANIFEST that named NAME, or #f if not found."
;; Return as a monadic value the package or store path referenced by the
;; manifest ENTRY, or #f if not referenced.
(define (entry-lookup-package entry)
(define (find-among-inputs inputs)
(find (lambda (input)
(and (package? input)
(equal? name (package-name input))))
inputs))
(define (find-among-store-items items)
(find (lambda (item)
(equal? name (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 inputs . _) ...)
(return (find-among-inputs inputs)))))
((? string? item)
(mlet %store-monad ((refs (references* item)))
(return (find-among-store-items refs)))))))
(anym %store-monad
entry-lookup-package (manifest-entries manifest)))
(define (info-dir-file manifest)
"Return a derivation that builds the 'dir' file for all the entries of
MANIFEST."
@ -608,41 +642,7 @@ MANIFEST. Single-file bundles are required by programs such as Git and Lynx."
(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-inputs inputs)
(find (lambda (input)
(and (package? input)
(string=? "gtk+" (package-name input))))
inputs))
(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 inputs . _) ...)
(return (find-among-inputs inputs)))))
((? 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)))
(mlet %store-monad ((gtk+ (manifest-lookup-package manifest "gtk+")))
(define build
#~(begin
(use-modules (guix build utils)
@ -690,72 +690,70 @@ creates the GTK+ 'icon-theme.cache' file for each theme."
"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))
(mlet %store-monad ((desktop-file-utils
(manifest-lookup-package
manifest "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 #$output "/share"))
(union-build destdir appdirs
#:log-port (%make-void-port "w"))
(zero? (system* update-desktop-database destdir)))))
(define build
#~(begin
(use-modules (srfi srfi-26)
(guix build utils)
(guix build union))
(let* ((destdir (string-append #$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))))
;; Don't run the hook when 'desktop-file-utils' is not referenced.
(if desktop-file-utils
(gexp->derivation "xdg-desktop-database" build
#:modules '((guix build utils)
(guix build union))
#:local-build? #t
#:substitutable? #f)
(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))
(mlet %store-monad ((shared-mime-info
(manifest-lookup-package
manifest "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)))))
(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))))
;; Don't run the hook when 'shared-mime-info' is referenced.
(if shared-mime-info
(gexp->derivation "xdg-mime-database" build
#:modules '((guix build utils)
(guix build union))
#:local-build? #t
#:substitutable? #f)
(return #f))))
(define %default-profile-hooks
;; This is the list of derivation-returning procedures that are called by