emacs: update git rev and add stat() workaround patch (#7858)

app-editors/emacs/emacs-29.0.60~git.recipe

@@ -13,12 +13,13 @@ news reader, debugger interface, calendar, and more.
 HOMEPAGE="https://gnu.org/s/emacs/"
 COPYRIGHT="2001-2022 Free Software Foundation, Inc."
 LICENSE="GNU GPL v3"
-REVISION="3"
-srcGitRev="89cb3c3f1576fdc69eb061cccc8b537f4b7c8228"
+REVISION="4"
+srcGitRev="2550e8bb0b03ee1c2c7a17d56c9f578bbbf1a9da"
 SOURCE_URI="https://github.com/emacs-mirror/emacs/archive/$srcGitRev.tar.gz"
 SOURCE_DIR="emacs-$srcGitRev"
-CHECKSUM_SHA256="0e89572e96107510c6c7cc5e75aa916c872ac73440cd01dff327aa2b0bb203a8"
+CHECKSUM_SHA256="dbd90dbda5237f73e3e64bedd010d0e2463206df9f89b357547e1336976efd15"
 ADDITIONAL_FILES="emacs.rdef.in"
+PATCHES="file-equality.patch"
 
 ARCHITECTURES="all !x86_gcc2"
 SECONDARY_ARCHITECTURES="x86"

app-editors/emacs/patches/file-equality.patch

@@ -0,0 +1,20 @@
+diff --git a/lisp/files.el b/lisp/files.el
+index 0d24852358e..8f8af2c492f 100644
+--- a/lisp/files.el
++++ b/lisp/files.el
+@@ -6357,6 +6357,15 @@ file-equal-p
+       (let (f1-attr f2-attr)
+         (and (setq f1-attr (file-attributes (file-truename file1)))
+ 	     (setq f2-attr (file-attributes (file-truename file2)))
++             ;; Haiku systems change the file's last access timestamp
++             ;; every time `stat' is called.  Make sure to not compare
++             ;; the timestamps in that case.
++
++             (when (eq system-type 'haiku)
++               (ignore-errors
++                 (setcar (nthcdr 4 f1-attr) nil)
++                 (setcar (nthcdr 4 f2-attr) nil))
++               t)
+ 	     (equal f1-attr f2-attr))))))
+ 
+ (defun file-in-directory-p (file dir)