master da736c9f02 1/2: Make `M-x grep' work better with "git grep"

[Lars Ingebrigtsen]

branch: master
commit da736c9f028f4d8fb117f116569fb72f706c9b45
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Make `M-x grep' work better with "git grep"
    
    * lisp/progmodes/compile.el (compilation-start): Bind PAGER to ""
    to avoid errors in output from "git grep" and similar commands
    (bug#4359).
---
 lisp/progmodes/compile.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 8b70e8400b..d28fce9dbd 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -1956,6 +1956,9 @@ Returns the compilation buffer created."
               (and (derived-mode-p 'comint-mode)
                    (comint-term-environment))
              (list (format "INSIDE_EMACS=%s,compile" emacs-version))
+              ;; Some external programs (like "git grep") use a pager;
+              ;; defeat that.
+              (list "PAGER=")
              (copy-sequence process-environment))))
         (setq-local compilation-arguments
                     (list command mode name-function highlight-regexp))