From c14c7a05113ebc6ae6da859c680becf8cdd7b754 Mon Sep 17 00:00:00 2001 From: Karl Heuer Date: Mon, 15 Jul 1996 20:17:53 +0000 Subject: [PATCH] (sh-mode): Call sh-set-shell only for a writable empty buffer. --- lisp/progmodes/sh-script.el | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el index 51923ee2795..fbcdf5c8dbc 100644 --- a/lisp/progmodes/sh-script.el +++ b/lisp/progmodes/sh-script.el @@ -662,10 +662,9 @@ with your script for an edit-interpret-debug cycle." ;; parse or insert magic number for exec() and set all variables depending ;; on the shell thus determined (goto-char (point-min)) - (sh-set-shell - (if (looking-at "#![\t ]*\\([^\t\n ]+\\)") - (match-string 1) - sh-shell-file))) + (and (zerop (buffer-size)) + (not buffer-read-only) + (sh-set-shell sh-shell-file))) (run-hooks 'sh-mode-hook)) ;;;###autoload (defalias 'shell-script-mode 'sh-mode) -- 2.39.5