From: Dmitry Gutov <dgutov@yandex.ru>
Date: Thu, 22 Jul 2021 12:41:52 +0000 (+0200)
Subject: Bind the GIT_LITERAL_PATHSPECS environment variable
X-Git-Tag: emacs-28.0.90~1754
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a2d0ff26005c5c10ffe0d84bd8b458a06828be82;p=emacs.git

Bind the GIT_LITERAL_PATHSPECS environment variable

* lisp/vc/vc-git.el (vc-git-command):
(vc-git--call): Ensure that git interprets file names literally
(bug#39452).
---

diff --git a/etc/NEWS b/etc/NEWS
index b1db3b7c331..bf19c34f021 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -886,6 +886,12 @@ keys, add the following to your init file:
 
 ** Change Logs and VC
 
+*** vc-git now sets the GIT_LITERAL_PATHSPECS environment variable.
+This ensures that Git operations on files containing wildcard
+characters work as they're supposed to.  However, this also affects
+scripts running from Git hooks, and these have to "unset
+GIT_LITERAL_PATHSPECS" to work as before.
+
 *** More VC commands can be used from non-file buffers.
 The relevant commands are those that don't change the VC state.
 The non-file buffers which can use VC commands are those that have
diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
index 5828a83debc..143087122fd 100644
--- a/lisp/vc/vc-git.el
+++ b/lisp/vc/vc-git.el
@@ -1772,6 +1772,7 @@ The difference to vc-do-command is that this function always invokes
         (process-environment
          (append
           `("GIT_DIR"
+            "GIT_LITERAL_PATHSPECS=1"
             ;; Avoid repository locking during background operations
             ;; (bug#21559).
             ,@(when revert-buffer-in-progress-p
@@ -1806,6 +1807,7 @@ The difference to vc-do-command is that this function always invokes
 	(process-environment
 	 (append
 	  `("GIT_DIR"
+            "GIT_LITERAL_PATHSPECS=1"
 	    ;; Avoid repository locking during background operations
 	    ;; (bug#21559).
 	    ,@(when revert-buffer-in-progress-p