* guix/profiles.scm (gtk-im-modules): New procedure.
(%default-profile-hooks): Add it.
---
guix/profiles.scm | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
diff --git a/guix/profiles.scm b/guix/profiles.scm
index 78deeb7..1a522ae 100644
--- a/guix/profiles.scm
+++ b/guix/profiles.scm
@@ -723,6 +723,68 @@ creates the GTK+ 'icon-theme.cache' file for each theme."
#:substitutable? #f)
(return #f))))
+(define (gtk-im-modules manifest)
+ "Return a derivation that builds the cache files for input method modules
+for both major versions of GTK+."
+
+ (mlet %store-monad ((gtk+ (manifest-lookup-package manifest "gtk+" "3"))
+ (gtk+-2 (manifest-lookup-package manifest "gtk+" "2")))
+
+ (define (build gtk gtk-version)
+ (let ((major (string-take gtk-version 1)))
+ (with-imported-modules '((guix build utils)
+ (guix build union)
+ (guix build profiles)
+ (guix search-paths)
+ (guix records))
+ #~(begin
+ (use-modules (guix build utils)
+ (guix build union)
+ (guix build profiles)
+ (ice-9 popen)
+ (srfi srfi-26))
+
+ (let* ((prefix (string-append "/lib/gtk-" #$major ".0/"
+ #$gtk-version))
+ (query (string-append #$gtk "/bin/gtk-query-immodules-"
+ #$major ".0"))
+ (destdir (string-append #$output prefix))
+ (moddirs (cons (string-append #$gtk prefix "/immodules")
+ (filter file-exists?
+ (map (cut string-append <> prefix
"/immodules")
+ '#$(manifest-inputs
manifest))))))
+
+ ;; Union all the gtk immodules directories.
+ (mkdir-p (string-append #$output "/lib/gtk-" #$major ".0"))
+ (union-build destdir moddirs #:log-port (%make-void-port "w"))
+
+ ;; Generate a new 'immodules.cache' file.
+ (let ((pipe (apply open-pipe*
+ OPEN_READ query
+ (map readlink (find-files destdir
"\\.so$"))))
+ (outfile (string-append #$output prefix
+ "/immodules-gtk" #$major
".cache")))
+ (dynamic-wind
+ (const #t)
+ (lambda ()
+ (call-with-output-file outfile
+ (lambda (out)
+ (while (not (eof-object? (peek-char pipe)))
+ (write-char (read-char pipe) out))))
+ #t)
+ (lambda ()
+ (close-pipe pipe)))))))))
+
+ ;; Don't run the hook when there's nothing to do.
+ (let ((gexp #~(begin
+ #$(if gtk+ (build gtk+ "3.0.0") #t)
+ #$(if gtk+-2 (build gtk+-2 "2.10.0") #t))))
+ (if (or gtk+ gtk+-2)
+ (gexp->derivation "gtk-im-modules" gexp
+ #:local-build? #t
+ #: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
@@ -844,6 +906,7 @@ files for the truetype fonts of the @var{manifest} entries."
ghc-package-cache-file
ca-certificate-bundle
gtk-icon-themes
+ gtk-im-modules
xdg-desktop-database
xdg-mime-database))
--
2.10.0
