02/04: gnu: emacs-sly-stepper: Adjust to changes in emacs-build-system.

[guix-commits]

leoprikler pushed a commit to branch wip-emacs
in repository guix.

commit cb500467d2091f37b54e2be4072223dc40e3d56d
Author: Leo Prikler <leo.prikler@student.tugraz.at>
AuthorDate: Sun Apr 4 14:16:44 2021 +0200

    gnu: emacs-sly-stepper: Adjust to changes in emacs-build-system.
    
    * gnu/packages/emacs-xyz.scm (emacs-sly-stepper)[#:phases]:
    <add-contrib-to-emacs-load-path>: Rename to...
    <expand-sly-contrib>: ... this.  Use find-files to find contrib directory.
    <install>: Find slynk-stepper.lisp in subdirectory.
---
 gnu/packages/emacs-xyz.scm | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 789e32b..fe62380 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -10330,23 +10330,26 @@ inside the source file.")
       (propagated-inputs
        `(("emacs-sly" ,emacs-sly)))
       (arguments
-       '(#:include (cons* "\\.lisp$" "\\.asd$" %default-include)
+       `(#:include (cons* "\\.lisp$" "\\.asd$" %default-include)
          #:phases
          (modify-phases %standard-phases
            ;; The package provides autoloads.
            (delete 'make-autoloads)
            (delete 'enable-autoloads-compilation)
-           (add-after 'add-source-to-load-path 'add-contrib-to-emacs-load-path
+           (add-after 'expand-load-path 'expand-sly-contrib
              (lambda* (#:key inputs #:allow-other-keys)
-               (let ((sly (assoc-ref inputs "emacs-sly")))
+               (let* ((sly (assoc-ref inputs "emacs-sly"))
+                      (contrib (find-files sly "^contrib$" #:directories? #t)))
                  (setenv "EMACSLOADPATH"
-                         (string-append sly "/share/emacs/site-lisp/contrib:"
-                                        (getenv "EMACSLOADPATH"))))
-               #t))
+                         (string-append (string-join contrib ":")
+                                        ":"
+                                        (getenv "EMACSLOADPATH")))
+                 #t)))
            (add-after 'install 'find-agnostic-lizard
              (lambda* (#:key inputs outputs #:allow-other-keys)
                (let* ((out (assoc-ref outputs "out"))
                       (file (string-append out "/share/emacs/site-lisp/"
+                                           "sly-stepper-" ,version "/"
                                            "slynk-stepper.lisp"))
                       (asd (string-append
                             (assoc-ref inputs "cl-agnostic-lizard")