[bug#55432] [PATCH] gnu: emacs-lispy: Fix failing test under Emacs 28.

[Kyle Meyer <kyle@kyleam.com>]

* gnu/packages/patches/emacs-lispy-fix-thread-last-test.patch: New file.
* gnu/packages/emacs-xyz.scm (emacs-lispy): Use it here.
* gnu/local.mk (dist_patch_DATA): Register it here.
---

  Note that successfully building this package depends on the emacs-buttercup
  update that Michael Rohleder submitted at
  <https://issues.guix.gnu.org/55417>.

 gnu/local.mk                                  |  1 +
 gnu/packages/emacs-xyz.scm                    |  4 +-
 .../emacs-lispy-fix-thread-last-test.patch    | 39 +++++++++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/emacs-lispy-fix-thread-last-test.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index cfb499915a..864b32b6c6 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1034,6 +1034,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/emacs-highlight-stages-add-gexp.patch	\
   %D%/packages/patches/emacs-hyperbole-toggle-messaging.patch	\
   %D%/packages/patches/emacs-libgit-use-system-libgit2.patch    \
+  %D%/packages/patches/emacs-lispy-fix-thread-last-test.patch   \
   %D%/packages/patches/emacs-source-date-epoch.patch		\
   %D%/packages/patches/emacs-telega-path-placeholder.patch	\
   %D%/packages/patches/emacs-telega-test-env.patch		\
diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 8a319fc0ff..f2e59ae6c7 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -21,7 +21,7 @@
 ;;; Copyright © 2017, 2018, 2019, 2020, 2022 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2017, 2018, 2019, 2020, 2021, 2022 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2017 Vasile Dumitrascu <va511e@yahoo.com>
-;;; Copyright © 2017, 2018 Kyle Meyer <kyle@kyleam.com>
+;;; Copyright © 2017, 2018, 2022 Kyle Meyer <kyle@kyleam.com>
 ;;; Copyright © 2017 Kei Kebreau <kkebreau@posteo.net>
 ;;; Copyright © 2017 George Clemmer <myglc2@gmail.com>
 ;;; Copyright © 2017, 2018 Feng Shu <tumashu@163.com>
@@ -9708,6 +9708,8 @@ (define-public emacs-lispy
                 (sha256
                  (base32
                   "1q3sgk8ffwajmh8l7c4p4fz36xw4fqds8yqblbi5kardaa8bs8cs"))
+                (patches
+                 (search-patches "emacs-lispy-fix-thread-last-test.patch"))
                 (file-name (git-file-name name version))))
       (build-system emacs-build-system)
       (propagated-inputs
diff --git a/gnu/packages/patches/emacs-lispy-fix-thread-last-test.patch b/gnu/packages/patches/emacs-lispy-fix-thread-last-test.patch
new file mode 100644
index 0000000000..2690dabdc8
--- /dev/null
+++ b/gnu/packages/patches/emacs-lispy-fix-thread-last-test.patch
@@ -0,0 +1,39 @@
+From dbe23aec174001c42f6edc7a594863a82a24bcfa Mon Sep 17 00:00:00 2001
+From: Kyle Meyer <kyle@kyleam.com>
+Date: Sun, 15 May 2022 13:56:37 -0400
+Subject: [PATCH] lispy-test.el (lispy-toggle-threaded-last): Update for Emacs
+ 28
+
+Starting with Emacs 28.1, thread-first uses `(declare (indent 0) ...)`
+rather than `(declare (indent 1) ...)`.
+---
+
+  Proposed upstream at <https://github.com/abo-abo/lispy/pull/632>.
+
+ lispy-test.el | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/lispy-test.el b/lispy-test.el
+index d946731..87d8c87 100644
+--- a/lispy-test.el
++++ b/lispy-test.el
+@@ -150,7 +150,13 @@ (ert-deftest lispy-toggle-threaded-last ()
+                    "|(thread-last (a 1) (b 2) (c 3))"))
+   (should (string= (lispy-with "|(equal 1443070800.0\n       (ts-unix\n        (ts-parse-org-element\n         (org-element-context))))"
+                                (lispy-toggle-thread-last))
+-                   "|(thread-last (org-element-context)\n  (ts-parse-org-element)\n  (ts-unix)\n  (equal 1443070800.0))"))
++                   (let ((indent (make-string
++                                  (if (version< emacs-version "28.1") 2 13)
++                                  ?\s)))
++                     (concat "|(thread-last (org-element-context)\n"
++                             indent "(ts-parse-org-element)\n"
++                             indent "(ts-unix)\n"
++                             indent "(equal 1443070800.0))"))))
+   (should (string= (lispy-with "|(thread-last (org-element-context)\n  (ts-parse-org-element)\n  (ts-unix)\n  (equal 1443070800.0))"
+                                (lispy-toggle-thread-last))
+                    "|(equal 1443070800.0\n       (ts-unix\n        (ts-parse-org-element\n         (org-element-context))))")))
+
+base-commit: df1b7e614fb0f73646755343e8892ddda310f427
+-- 
+2.36.0
+

base-commit: ebb43029506d994bee0c2b890881fd61a0b0c202
-- 
2.36.0