[bug#68180] [PATCH 4/4] gnu: Add emacs-pde.

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

* gnu/packages/emacs-xyz.scm (emacs-pde): New variable.

Change-Id: Icab5d8acf9d441bb4a832a82e75432d64cc77ba7
---

 gnu/packages/emacs-xyz.scm | 86 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index a8ac238f58..fe46342adf 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -167,6 +167,7 @@ (define-module (gnu packages emacs-xyz)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
   #:use-module (guix build-system emacs)
+  #:use-module (guix build-system perl)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
@@ -271,6 +272,7 @@ (define-module (gnu packages emacs-xyz)
   #:use-module (gnu packages erlang)
   #:use-module (gnu packages statistics)
   #:use-module (gnu packages libcanberra)
+  #:use-module (gnu packages texinfo)
   #:use-module (gnu packages virtualization)
   #:use-module (gnu packages web-browsers)
   #:use-module (gnu packages wget)
@@ -12271,6 +12273,90 @@ (define-public emacs-hl-todo
 regexp that matches all known keywords.")
     (license license:gpl3+)))
 
+(define-public emacs-pde
+  (package
+    (name "emacs-pde")
+    (version "0.2.17")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://cpan/authors/id/Y/YE/YEWENBIN/Emacs-PDE-v"
+                           version ".tar.gz"))
+       (modules '((guix build utils)))
+       (snippet '(begin
+                   ;; Delete pre-generated Texinfo and HTML documentation.
+                   (for-each delete-file '("lisp/doc/pde.info"
+                                           "lisp/doc/pde.html"))
+                   (delete-file-recursively "lisp/doc/pde")))
+       (sha256
+        (base32 "1i82isha839c8lx73kgp43v7gxr2adsr1yfw1glyxvi62w5ab9qz"))))
+    (build-system perl-build-system)
+    (arguments
+     (list
+      #:imported-modules `(,@%emacs-build-system-modules
+                           ,@%perl-build-system-modules)
+      #:modules '((guix build perl-build-system)
+                  (guix build emacs-utils)
+                  (guix build utils))
+      #:module-build-flags
+      #~(list (string-append "--elispdir=" #$output
+                             "/share/emacs/site-lisp/pde")
+              "--verbose")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'patch-commands
+            (lambda* (#:key inputs #:allow-other-keys)
+              (make-file-writable "lisp/pde-vars.el")
+              (emacs-substitute-variables "lisp/pde-vars.el"
+                ("pde-perl-program"
+                 (search-input-file inputs "bin/perl"))
+                ("pde-perl-version"
+                 #$(package-version (this-package-input "perl")))
+                ("pde-perldoc-program"
+                 (search-input-file inputs "bin/perldoc"))
+                ("pde-find-program"
+                 (search-input-file inputs "bin/find")))
+              (make-file-writable "lisp/perlcritic.el")
+              (emacs-substitute-variables "lisp/perlcritic.el"
+                ("perlcritic-program"
+                 (search-input-file inputs "bin/perlcritic")))
+              (make-file-writable "lisp/perldoc.el")
+              (emacs-substitute-variables "lisp/perldoc.el"
+                ("perldoc-cache-el"
+                 "(expand-file-name \"~/.cache/perldoc-cache.el\"")
+                ("perldoc-pod2man"
+                 (search-input-file inputs "bin/pod2man")))
+              (make-file-writable "lisp/perltidy.el")
+              (emacs-substitute-variables "lisp/perltidy.el"
+                ("perltidy-program"
+                 (search-input-file inputs "bin/perltidy")))
+              (substitute* "lisp/tools/perldoc-cache.pl"
+                (("`perldoc")
+                 (string-append
+                  "`" (search-input-file inputs "bin/perldoc"))))))
+          (add-after 'build 'generate-doc
+            (lambda _
+              (invoke "./Build" "info")))
+          (add-after 'install 'move-doc
+            (lambda _
+              (let ((info (string-append #$output "/share/info/pde.info")))
+                (mkdir-p (dirname info))
+                (rename-file (string-append
+                              #$output
+                              "/share/emacs/site-lisp/pde/doc/pde.info")
+                             info)))))))
+    (native-inputs (list emacs-minimal perl-module-build texinfo))
+    (inputs (list findutils perl perl-critic))
+    (home-page "https://metacpan.org/release/Emacs-PDE")
+    (synopsis "Perl Development Environment for Emacs")
+    (description "Emacs::PDE is a collection of Emacs Lisp extensions to
+facilitate Perl programming.  CPerl Mode has provided an excellent environment
+for coding; Emacs::PDE provides other common tools such as creating files
+using templates, smart compiling, @command{perldoc}, @command{perltidy},
+debugger, tags tree view and so on.  PDE also provides an easy configuration
+for Perl programing, and a tutorial for novices to start using Emacs.")
+    (license license:perl-license)))
+
 (define-public emacs-perspective
   (package
     (name "emacs-perspective")
-- 
2.41.0