From: Juri Linkov <juri@linkov.net>
Date: Mon, 19 Dec 2022 17:54:08 +0000 (+0200)
Subject: * lisp/progmodes/project.el: Filter out empty strings from history (bug#58447)
X-Git-Tag: emacs-29.0.90~1067
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=399433cc2b9500b7ee78503c03cead106b76bbd6;p=emacs.git

* lisp/progmodes/project.el: Filter out empty strings from history (bug#58447)

(project--read-file-cpd-relative): Do not include empty strings (when
prefix has the same length as the string).
---

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 559da6dd649..605636d93e3 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1045,6 +1045,7 @@ by the user at will."
                              (mapcan
                               (lambda (s)
                                 (and (string-prefix-p abbr-cpd s)
+                                     (not (eq (length abbr-cpd) (length s)))
                                      (list (substring s (length abbr-cpd)))))
                               (symbol-value hist))))
                     (project--completing-read-strict prompt