branch: elpa/git-commit
commit 4512a3f0d0b4bc9fc3d711d9acda82c56d03a475
Author: Andrey Smirnov <andrew.smir...@gmail.com>
Commit: Kyle Meyer <k...@kyleam.com>
magit-utils: Implement `with-connection-local-variables' kludge
In order to be able to use `with-connection-local-variables' in Emacs
25 and 26, implement a kludge that provides minimum functionality
required by Magit.
Modified-by: Kyle Meyer <k...@kyleam.com>
Cosmetic tweaks to docstring whitespace.
---
lisp/magit-utils.el | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/lisp/magit-utils.el b/lisp/magit-utils.el
index 75b4393c32..29730dead0 100644
--- a/lisp/magit-utils.el
+++ b/lisp/magit-utils.el
@@ -1198,6 +1198,31 @@ See
<https://github.com/raxod502/straight.el/issues/520>."
(setq filename target))))
(file-chase-links filename))
+;;; Kludges for older Emacs versions
+
+(if (fboundp 'with-connection-local-variables)
+ (defalias 'magit--with-connection-local-variables
+ 'with-connection-local-variables)
+ (defmacro magit--with-connection-local-variables (&rest body)
+ "Abridged `with-connection-local-variables' for pre Emacs 27 compatibility.
+Bind shell file name and switch for remote execution.
+`with-connection-local-variables' isn't available until Emacs 27.
+This kludge provides the minimal functionality required by
+Magit."
+ `(if (file-remote-p default-directory)
+ (let* ((vec (tramp-dissect-file-name default-directory))
+ (shell-file-name (tramp-get-method-parameter
+ vec
+ 'tramp-remote-shell))
+ (shell-command-switch (mapconcat
+ #'identity
+ (tramp-get-method-parameter
+ vec
+ 'tramp-remote-shell-args)
+ " ")))
+ (progn ,@body))
+ ,@body)))
+
;;; Miscellaneous
(defun magit-message (format-string &rest args)
