gnu: curl: Update to 7.55.0.

* gnu/packages/curl.scm (curl): Update to 7.55.0.
[replacement]: Remove field.
[arguments]: Add phase to fix doc install location.
(curl-7.55.0): Remove variable.

gnu/packages/curl.scm

@@ -5,6 +5,7 @@
 ;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -42,15 +43,15 @@
 (define-public curl
   (package
    (name "curl")
-   (replacement curl-7.55.0)
-   (version "7.54.1")
+   (version "7.55.0")
    (source (origin
             (method url-fetch)
             (uri (string-append "https://curl.haxx.se/download/curl-"
                                 version ".tar.lzma"))
+            (patches (search-patches "curl-bounds-check.patch"))
             (sha256
              (base32
-              "0vnv3cz0s1l5cjby86hm0x6pgzqijmdm97qa9q5px200956z6yib"))))
+              "1785vxi0jamiv9d1wr1l45g0fm9ircxdfyfzf7ld8zv0z0i8bmfd"))))
    (build-system gnu-build-system)
    (outputs '("out"
               "doc"))                             ;1.2 MiB of man3 pages
@@ -109,7 +110,15 @@
            ;; The top-level "make check" does "make -C tests quiet-test", which
            ;; is too quiet.  Use the "test" target instead, which is more
            ;; verbose.
-           (zero? (system* "make" "-C" "tests" "test")))))))
+           (zero? (system* "make" "-C" "tests" "test"))))
+        (add-before 'install 'fix-Makefile
+          ;; Fix a regression in 7.55.0 where docs are not installed.
+          ;; https://github.com/curl/curl/commit/a7bbbb7c368c6096802007f61f19a02e9d75285b
+          (lambda _
+            (substitute* "Makefile"
+              (("install-data-hook:\n")
+               "install-data-hook:\n\tcd docs/libcurl && $(MAKE) install\n"))
+            #t)))))
    (synopsis "Command line tool for transferring data with URL syntax")
    (description
     "curl is a command line tool for transferring data with URL syntax,
@@ -122,29 +131,3 @@ tunneling, and so on.")
    (license (license:non-copyleft "file://COPYING"
                                   "See COPYING in the distribution."))
    (home-page "https://curl.haxx.se/")))
-
-(define-public curl-7.55.0
-  (package
-    (inherit curl)
-    (version "7.55.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (string-append "https://curl.haxx.se/download/curl-"
-                            version ".tar.xz"))
-        (patches (search-patches "curl-bounds-check.patch"))
-        (sha256
-         (base32
-          "1785vxi0jamiv9d1wr1l45g0fm9ircxdfyfzf7ld8zv0z0i8bmfd"))))
-    (arguments
-     `(,@(substitute-keyword-arguments (package-arguments curl)
-           ((#:phases phases)
-            `(modify-phases ,phases
-               (add-before 'install 'fix-Makefile
-                 ;; Fix a regression in 7.55.0 where docs are not installed.
-                 ;; https://github.com/curl/curl/commit/a7bbbb7c368c6096802007f61f19a02e9d75285b
-                 (lambda _
-                   (substitute* "Makefile"
-                     (("install-data-hook:\n")
-                      "install-data-hook:\n\tcd docs/libcurl && $(MAKE) install\n"))
-                   #t)))))))))