gnu: texlive-stmaryrd: Actually include the fonts.

* gnu/packages/tex.scm (texlive-stmaryrd): Rewrite package to inherit from a
simple-texlive-template package, so that fonts resources as listed in the
texlive.tlpdb database are retrieved and installed.
[arguments]: Adapt to use with the inherited template.
{chdir}: New phase.

gnu/packages/tex.scm

@@ -5394,37 +5394,44 @@ use this package to insert PostScript files, in addition to PDF files.")
     (license license:lppl1.3+)))
 
 (define-public texlive-stmaryrd
-  (package
-    (name "texlive-stmaryrd")
-    (version (number->string %texlive-revision))
-    (source (origin
-              (method svn-fetch)
-              (uri (texlive-ref "fonts" "stmaryrd"))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "08pn4ca3vl6qm9l3wm5h5iyjsrg411kkm1yana329xwg2j14s9n6"))))
-    (build-system texlive-build-system)
-    (arguments
-     '(#:tex-directory "latex/stmaryrd"
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'configure 'patch-ins
-           (lambda _
-             (substitute* "stmaryrd.ins"
-               (("^%% LaTeX2e.*") "\\input docstrip\n")
-               (("fontdef\\}\\}" line)
-                (string-append line "\n\\endbatchfile")))
-             #t)))))
-    (home-page "https://www.ctan.org/pkg/stmaryrd")
-    (synopsis "St Mary Road symbols for theoretical computer science")
-    (description
-     "The fonts were originally distributed as Metafont sources only, but
+  (let ((template (simple-texlive-package
+                   "texlive-stmaryrd"
+                   (list "/fonts/afm/public/stmaryrd/"
+                         "/fonts/map/dvips/stmaryrd/"
+                         "/fonts/source/public/stmaryrd/"
+                         "/fonts/tfm/public/stmaryrd/"
+                         "/fonts/type1/public/stmaryrd/"
+                         "/source/fonts/stmaryrd/"
+                         "/doc/fonts/stmaryrd/")
+                   (base32
+                    "0yn0yl6x1z9ab5gb56lhvkqabd2agz3ggxifwxkiysrj5780j29z"))))
+    (package
+      (inherit template)
+      (arguments (substitute-keyword-arguments (package-arguments template)
+                   ((#:tex-directory _ #t)
+                    "latex/stmaryrd")
+                   ((#:phases phases)
+                    `(modify-phases ,phases
+                       (add-after 'unpack 'chdir
+                         (lambda _
+                           (chdir "source/fonts/stmaryrd")
+                           #t))
+                       (add-after 'chdir 'patch-ins
+                         (lambda _
+                           (substitute* "stmaryrd.ins"
+                             (("^%% LaTeX2e.*") "\\input docstrip\n")
+                             (("fontdef\\}\\}" line)
+                              (string-append line "\n\\endbatchfile")))
+                           #t))))))
+      (home-page "https://www.ctan.org/pkg/stmaryrd")
+      (synopsis "St Mary Road symbols for theoretical computer science")
+      (description
+       "The fonts were originally distributed as Metafont sources only, but
 Adobe Type 1 versions are also now available.  Macro support is provided for
 use under LaTeX; the package supports the @code{only} option (provided by the
 @code{somedefs} package) to restrict what is loaded, for those who don't need
 the whole font.")
-    (license license:lppl)))
+      (license license:lppl))))
 
 (define-public texlive-fonts-stmaryrd
   (deprecated-package "texlive-fonts-stmaryrd" texlive-stmaryrd))