guix: Add clojure-utils.

* guix/build/clojure-utils.scm: New file.
* gnu/packages/lisp.scm (clojure)[arguments]: Use it.
* Makefile.am (MODULES): Add it.

1 files changed, 65 insertions, 0 deletions

diff --git a/guix/build/clojure-utils.scm b/guix/build/clojure-utils.scm
new file mode 100644
index 0000000000..713dff2d8f
--- /dev/null
+++ b/guix/build/clojure-utils.scm
@@ -0,0 +1,65 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix build clojure-utils)
+  #:use-module (guix build utils)
+  #:use-module (ice-9 ftw)
+  #:use-module (ice-9 regex)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-26)
+  #:export (%clojure-regex
+            define-with-docs
+            install-doc))
+
+(define-syntax-rule (define-with-docs name docs val)
+  "Create top-level variable named NAME with doc string DOCS and value VAL."
+  (begin (define name val)
+         (set-object-property! name 'documentation docs)))
+
+(define-with-docs %doc-regex
+  "Default regex for matching the base name of top-level documentation files."
+  (format #f
+          "(~a)|(\\.(html|markdown|md|txt)$)"
+          (@@ (guix build guile-build-system)
+              %documentation-file-regexp)))
+
+(define* (install-doc #:key
+                      doc-dirs
+                      (doc-regex %doc-regex)
+                      outputs
+                      #:allow-other-keys)
+  "Install the following to the default documentation directory:
+
+1. Top-level files with base name matching DOC-REGEX.
+2. All files (recursively) inside DOC-DIRS.
+
+DOC-REGEX can be compiled or uncompiled."
+  (let* ((out (assoc-ref outputs "out"))
+         (doc (assoc-ref outputs "doc"))
+         (name-ver (strip-store-file-name out))
+         (dest-dir (string-append (or doc out) "/share/doc/" name-ver "/"))
+         (doc-regex* (if (string? doc-regex)
+                         (make-regexp doc-regex)
+                         doc-regex)))
+    (for-each (cut install-file <> dest-dir)
+              (remove (compose file-exists?
+                               (cut string-append dest-dir <>))
+                      (scandir "./" (cut regexp-exec doc-regex* <>))))
+    (for-each (cut copy-recursively <> dest-dir)
+              doc-dirs)
+    #t))