From 680081b62415f628523e1095b9a5076b41347874 Mon Sep 17 00:00:00 2001
From: Brendan Tildesley <mail@brendan.scot>
Date: Sun, 6 Feb 2022 18:32:30 +1100
Subject: [PATCH v3 48/86] gnu: khelpcenter: Fix program.

* gnu/packages/kde-systemtools.scm (khelpcenter): Wrap XDG_DATA_DIRS to
point to khtml where it can find the html4.css file, otherwise
khelpcenter fails to launch.

diff --git a/gnu/packages/kde-systemtools.scm b/gnu/packages/kde-systemtools.scm
index 90260c2630..c9b29ec907 100644
--- a/gnu/packages/kde-systemtools.scm
+++ b/gnu/packages/kde-systemtools.scm
@@ -160,7 +160,17 @@ (define-public khelpcenter
            qtbase-5
            xapian))
     (arguments
-     `(#:tests? #f)) ;; 1/1 test fails
+     `(#:tests? #f  ;; 1/1 test fails
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'wrap-executable
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out")))
+               ;; Since qt-wrap selectors do not wrap for /share/kf5
+               ;; directories, we need this so khelpcenter can find html4.css.
+               (wrap-program (string-append out "/bin/khelpcenter")
+                 `("XDG_DATA_DIRS" suffix
+                   (,(string-append (assoc-ref inputs "khtml") "/share"))))))))))
     (home-page "https://apps.kde.org/khelpcenter/")
     (synopsis "KDE documentation viewer")
     (description "KHelpCenter uses meta data files which describe the
-- 
2.37.0