gnu: ulauncher: Improve style.

* gnu/packages/xdisorg.scm (ulauncher): Run guix style and properly
pin the commit with a git-version.

Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/xdisorg.scm

@@ -2166,21 +2166,25 @@ connectivity of the X server running on a particular @code{DISPLAY}.")
     (license license:gpl3+)))
 
 (define-public ulauncher
+  (let ((commit "1e68d47473f8e77d375cb4eca644c3cda68ed7e9")
+        (revision "4"))
     (package
       (name "ulauncher")
-    (version "6.0.0")
-    (source (origin
+      (version (git-version "6.0.0" revision commit))
+      (source
+       (origin
          (method git-fetch)
          (uri (git-reference
                (url "https://github.com/Ulauncher/Ulauncher")
-                    (commit "1e68d47473f8e77d375cb4eca644c3cda68ed7e9")))
+               (commit commit)))
          (file-name (git-file-name name version))
          (sha256
-               (base32
-                "1c2czlrsf5aq8c88qliqbnqvf04q9cnjc1j6hivqa0w260mzjll1"))))
+          (base32 "1c2czlrsf5aq8c88qliqbnqvf04q9cnjc1j6hivqa0w260mzjll1"))))
       (build-system python-build-system)
       (arguments
-     (list #:phases #~(modify-phases %standard-phases
+       (list
+        #:phases
+        #~(modify-phases %standard-phases
             (add-after 'unpack 'fix-libX11
               (lambda* (#:key inputs #:allow-other-keys)
                 (substitute* "ulauncher/utils/xinit.py"
@@ -2197,8 +2201,7 @@ connectivity of the X server running on a particular @code{DISPLAY}.")
                   (call-with-output-file file
                     (const #t)))
                 (let* ((hard-path "/etc/os-release")
-                                   (fixed-path (string-append #$output
-                                                              hard-path)))
+                       (fixed-path (string-append #$output hard-path)))
                   ;; Make it relative
                   ;; Update hardcoded path to something
                   ;; within the build enviroment.
@@ -2223,7 +2226,7 @@ connectivity of the X server running on a particular @code{DISPLAY}.")
        "Ulauncher is a fast application launcher for Linux.  It is written in
 Python, using GTK+, and features: App Search (fuzzy matching), Calculator,
 Extensions, Shortcuts, File browser mode and Custom Color Themes.")
-    (license license:gpl3+)))
+      (license license:gpl3+))))
 
 (define-public rofi
   (package