Here is patch for fonts.scm:
--- fonts.scm 2016-06-02 08:01:49.387086500 +0300
+++ fonts.new.scm 2016-06-02 08:05:30.005373478 +0300
@@ -9,6 +9,7 @@
;;; Copyright © 2016 Nils Gillmann <
address@hidden>
;;; Copyright © 2016 Jookia <
address@hidden>
;;; Copyright © 2016 Eric Bavier <
address@hidden>
+;;; Copyright © 2016 Dmitry Nikolaev <
address@hidden>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -921,3 +922,54 @@
(home-page "
https://fontlibrary.org/en/font/fantasque-sans-mono")
(license license:silofl1.1)))
+(define-public font-hack
+ (package
+ (name "font-hack")
+ (version "2.020")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append
+ "
https://github.com/chrissimpkins/Hack/releases/download/v"
+ version
+ "/Hack-v"
+ "2_020" ;; FIXME
+ "-ttf.zip"))
+ (sha256
+ (base32
+ "16kkmc3psckw1b7k07ccn1gi5ymhlg9djh43nqjzg065g6p6d184"))))
+ (build-system trivial-build-system)
+ (arguments
+ `(#:modules ((guix build utils))
+ #:builder (begin
+ (use-modules (guix build utils)
+ (srfi srfi-26))
+
+ (let ((PATH (string-append (assoc-ref %build-inputs
+ "unzip")
+ "/bin"))
+ (font-dir (string-append %output
+ "/share/fonts/truetype"))
+ (doc-dir (string-append %output "/share/doc/"
+ ,name "-" ,version)))
+ (setenv "PATH" PATH)
+ (system* "unzip" (assoc-ref %build-inputs "source"))
+
+ (mkdir-p font-dir)
+ (mkdir-p doc-dir)
+ (for-each (lambda (ttf)
+ (copy-file ttf
+ (string-append font-dir "/" ttf)))
+ (find-files "." "\\.ttf$"))
+ (for-each (lambda (doc)
+ (copy-file doc
+ (string-append doc-dir "/" doc)))
+ (find-files "." "\\.txt$"))))))
+ (native-inputs `(("source" ,source)
+ ("unzip" ,unzip)))
+ (home-page "
https://sourcefoundry.org/hack/")
+ (synopsis "A typeface designed for sourcecode.")
+ (description "The Hack Font is designed for the screen.")
+ (license
+ (license:non-copyleft ;;FIXME
+ "
https://github.com/chrissimpkins/Hack/blob/master/LICENSE.md"
+ "Hack Open Font License v2.0"))))
But there are two FIXME issues. First with URI string generation. Sorry, I haven't mastered Scheme yet:
"2_020" ;; FIXME. This should be generated from version "2.020"