gnu: ultrastar-deluxe: Improve package style.

* gnu/packages/games.scm (ultrastar-deluxe): Do not exceed column 80.
[source]<snippet>: Use G-Expressions.
[#:phases]: Fix indentation.
<fix-configure>: Add ‘where’ helper and use it to shrink horizontal space.

1 files changed, 42 insertions, 36 deletions

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 83769cb39c..a5c9cad72e 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -11163,7 +11163,7 @@ and unsafe rides.  Which path will you take?")
     (license license:gpl2)))
 
 (define-public ultrastar-deluxe
-  ;; The last release is quite old and does not support recent versions of ffmpeg.
+  ;; The last release is quite old and does not support recent ffmpeg versions.
   (let ((commit "43484b0a10ce6aae339e19d81ae2f7b37caf6baa")
         (revision "1"))
     (package
@@ -11181,15 +11181,16 @@ and unsafe rides.  Which path will you take?")
                 (patches (search-patches "ultrastar-deluxe-no-freesans.patch"))
                 (modules '((guix build utils)))
                 (snippet
-                 `(begin
-                    ;; Remove Windows binaries.
-                    (for-each delete-file (find-files "game" "\\.dll$"))
-                    ;; Remove font blobs.
-                    (let ((font-directories (list "DejaVu" "FreeSans" "NotoSans"
-                                                  "wqy-microhei")))
-                      (for-each
+                 #~(begin
+                     ;; Remove Windows binaries.
+                     (for-each delete-file (find-files "game" "\\.dll$"))
+                     ;; Remove font blobs.
+                     (let ((font-directories
+                            (list "DejaVu" "FreeSans" "NotoSans"
+                                  "wqy-microhei")))
+                       (for-each
                         (lambda (d) (delete-file-recursively
-                                      (string-append "game/fonts/" d)))
+                                (string-append "game/fonts/" d)))
                         font-directories))))))
       (build-system gnu-build-system)
       (arguments
@@ -11197,33 +11198,38 @@ and unsafe rides.  Which path will you take?")
          #:tests? #f ; No tests.
          #:phases
          #~(modify-phases %standard-phases
-           (add-after 'unpack 'fix-configure
-             (lambda* (#:key inputs configure-flags outputs #:allow-other-keys)
-               ;; The configure script looks for lua$version, but we provide lua-$version.
-               (substitute* "configure.ac"
-                 (("lua\\$i") "lua-$i"))
-               ;; fpc does not pass -lfoo to the linker, but uses its own linker script,
-               ;; which references libs. Pass the libraries listed in that linker script,
-               ;; so our custom linker adds a correct rpath.
-               (substitute* "src/Makefile.in"
-                 (("linkflags\\s+:= ")
-                  (string-append "linkflags := -lpthread -lsqlite3 -lSDL2"
-                                 " -lSDL2_image -ldl "
-                                 " -lz -lfreetype -lportaudio -lavcodec"
-                                 " -lavformat -lavutil -lswresample"
-                                 " -lswscale -llua -ldl -lX11 -lportmidi"
-                                 " -L" (dirname (search-input-file inputs "lib/libz.so"))
-                                 " -L" (dirname (search-input-file inputs "lib/libX11.so"))
-                                 " -L" (dirname (search-input-file inputs "lib/libportmidi.so")))))))
-           (add-after 'install 'font-paths
-             (lambda* (#:key outputs #:allow-other-keys)
-               (substitute* (string-append
-                              (assoc-ref outputs "out")
-                              "/share/ultrastardx/fonts/fonts.ini")
-                 (("=NotoSans/") (string-append "=" #$font-google-noto
-                                                "/share/fonts/truetype/"))
-                 (("=DejaVu/") (string-append "=" #$font-dejavu
-                                              "/share/fonts/truetype/"))))))))
+             (add-after 'unpack 'fix-configure
+               (lambda* (#:key inputs configure-flags outputs #:allow-other-keys)
+                 (define (where inputs file)
+                   (dirname (search-input-file inputs file)))
+                 ;; The configure script looks for lua$version, but we
+                 ;; provide lua-$version.
+                 (substitute* "configure.ac"
+                   (("lua\\$i") "lua-$i"))
+                 ;; fpc does not pass -lfoo to the linker, but uses its own
+                 ;; linker script, which references libs.  Pass the libraries
+                 ;; listed in that linker script, so our custom linker adds
+                 ;; a correct rpath.
+                 (substitute* "src/Makefile.in"
+                   (("linkflags\\s+:= ")
+                    (string-append
+                     "linkflags := -lpthread -lsqlite3 -lSDL2"
+                     " -lSDL2_image -ldl "
+                     " -lz -lfreetype -lportaudio -lavcodec"
+                     " -lavformat -lavutil -lswresample"
+                     " -lswscale -llua -ldl -lX11 -lportmidi"
+                     " -L" (where inputs "lib/libz.so")
+                     " -L" (where inputs "lib/libX11.so")
+                     " -L" (where inputs "lib/libportmidi.so"))))))
+             (add-after 'install 'font-paths
+               (lambda* (#:key outputs #:allow-other-keys)
+                 (substitute* (string-append
+                               (assoc-ref outputs "out")
+                               "/share/ultrastardx/fonts/fonts.ini")
+                   (("=NotoSans/") (string-append "=" #$font-google-noto
+                                                  "/share/fonts/truetype/"))
+                   (("=DejaVu/") (string-append "=" #$font-dejavu
+                                                "/share/fonts/truetype/"))))))))
       (inputs (list ffmpeg
                     font-dejavu
                     font-google-noto