gnu: cpplint: Update to 1.4.5.

Fix build and update to 1.4.5.

* gnu/packages/cpp.scm (cpplint): Update to 1.4.5,
[native-inputs]: add python-pytest, python-pytest-cov,
python-pytest-runner,
[arguments]: add a new 'use-later-pytest phase to remove pytest version
requirement.

gnu/packages/cpp.scm

@@ -3,7 +3,7 @@
 ;;; Copyright © 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Fis Trivial <ybbs.daans@hotmail.com>
 ;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2019, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;; Copyright © 2019 Jan Wielkiewicz <tona_kosmicznego_smiecia@interia.pl>
 ;;; Copyright © 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
@@ -363,7 +363,7 @@ (define-public gperftools
 (define-public cpplint
   (package
     (name "cpplint")
-    (version "1.4.4")
+    (version "1.4.5")
     (source
      (origin
        (method git-fetch)
@@ -373,9 +373,21 @@ (define-public cpplint
              (url "https://github.com/cpplint/cpplint")
              (commit version)))
        (sha256
-        (base32 "1ns9wbizr10w7rpyp106d7ip68s5nyskr54vw9bij11sci9z0v3j"))
+        (base32 "1yzcxqx0186sh80p0ydl9z0ld51fn2cdpz9hmhrp15j53g9ira7c"))
        (file-name (git-file-name name version))))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'use-later-pytest
+           (lambda _
+             (substitute* "test-requirements"
+               (("pytest.*") "pytest\n"))
+             #t)))))
     (build-system python-build-system)
+    (native-inputs
+     `(("python-pytest" ,python-pytest)
+       ("python-pytest-cov" ,python-pytest-cov)
+       ("python-pytest-runner" ,python-pytest-runner)))
     (home-page "https://github.com/cpplint/cpplint")
     (synopsis "Static code checker for C++")
     (description "@code{cpplint} is a command-line tool to check C/C++ files