bug#74631: 30.0.92; [PATCH] autoload project-recompile and set default-directory

[Daniel Mendler via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

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In order to make `project-recompile' symmetric to `recompile' it should
be autoloaded and it should run in the project root. This makes it
possible to call `project-recompile' directly without calling `compile'
first.

    ;;;###autoload
    (defun project-recompile (&optional edit-command)
      "Run `recompile' with appropriate buffer."
      (declare (interactive-only recompile))
      (interactive "P")
      (let ((default-directory (project-root (project-current t)))
            (compilation-buffer-name-function
             (or project-compilation-buffer-name-function
                 compilation-buffer-name-function)))
        (recompile edit-command)))

This change also resolves the comment in project-recompile:

    ;; Should we error instead?  When there's no
    ;; project-specific naming, there is no point in using
    ;; this command.


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From a330baaaf7a50f3bdf665b32efadb27283453f7f Mon Sep 17 00:00:00 2001
From: Daniel Mendler <mail@daniel-mendler.de>
Date: Sun, 1 Dec 2024 11:43:48 +0100
Subject: [PATCH] project-recompile: Autoload and run in project root

* lisp/progmodes/project.el (project-recompile): Autoload and
use project root as `default-directory'.
---
 lisp/progmodes/project.el | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index ba5a6b6f056..d47b732712f 100644
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1455,15 +1455,14 @@ project-compile
              compilation-buffer-name-function)))
     (call-interactively #'compile)))
 
+;;;###autoload
 (defun project-recompile (&optional edit-command)
   "Run `recompile' with appropriate buffer."
   (declare (interactive-only recompile))
   (interactive "P")
-  (let ((compilation-buffer-name-function
+  (let ((default-directory (project-root (project-current t)))
+        (compilation-buffer-name-function
          (or project-compilation-buffer-name-function
-             ;; Should we error instead?  When there's no
-             ;; project-specific naming, there is no point in using
-             ;; this command.
              compilation-buffer-name-function)))
     (recompile edit-command)))
 
-- 
2.45.2