gnu: Add font-ipa.

* gnu/packages/fonts.scm (font-ipa): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/fonts.scm

@@ -2515,6 +2515,47 @@ (define-public font-meera-inimai
 characteristic so that they sit smoothly with the Tamil glyphs.")
     (license license:silofl1.1)))
 
+(define-public font-ipa
+  (package
+    (name "font-ipa")
+    (version "003.03")
+    (source (origin
+              (method url-fetch/zipbomb)
+              (uri (string-append
+                    "https://moji.or.jp/wp-content/ipafont/IPAfont/IPAfont"
+                    (string-join (string-split version #\.) "") ".zip"))
+              (sha256
+               (base32
+                "1rbgfq14ld0cwas6bx5h7pwyv2hkfa8ihnphsaz1brxqliwysmgp"))))
+    (build-system font-build-system)
+    (arguments
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'make-read-only
+            (lambda _
+              ;; Otherwise the files have the executable bit set.
+              (for-each (lambda (file) (chmod file #o444))
+                        (find-files "." #:directories? #f))))
+          (add-after 'install 'install-doc
+            (lambda _
+              (let ((font+version
+                     #$(string-append "IPAfont"
+                                      (string-join (string-split version #\.)
+                                                   "")))
+                    (doc-dir (string-append #$output "/share/doc/" #$name)))
+                (with-directory-excursion font+version
+                  (mkdir-p doc-dir)
+                  (copy-file (string-append "Readme_" font+version ".txt")
+                             (string-append doc-dir "/README"))
+                  (copy-file "IPA_Font_License_Agreement_v1.0.txt"
+                             (string-append doc-dir "/LICENSE")))))))))
+    (home-page "https://moji.or.jp/ipafont/")
+    (synopsis "Japanese font from the Information-technology Promotion Agency")
+    (description "This package provides Japanese outline fonts by
+Information-technology Promotion Agency, Japan (IPA)")
+    (license license:ipa)))
+
 (define-public font-ipa-ex
   (package
     (name "font-ipa-ex")