grub2/0125-Make-it-possible-to-subtract-conditions-from-debug.patch
Javier Martinez Canillas 1d49572ef1
Update to latest content from upstream sources
The content of this branch was not automatically imported from upstream
sources. Pull the latest from upstream to have the missing changes here.

Source: https://src.fedoraproject.org/rpms/grub2.git#f2763e56df79eccae17d2e8fa13d2f51a0fe7073

Resolves: rhbz#1947696

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2021-04-12 01:36:21 +02:00

46 lines
1.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Thu, 17 Jan 2019 13:10:39 -0500
Subject: [PATCH] Make it possible to subtract conditions from debug=
This makes it so you can do set debug to "all,-scripting,-lexer" and get the
obvious outcome. Any negation present will take preference over that
conditional, so "all,-scripting,scripting" is the same thing as
"all,-scripting".
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/kern/misc.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
index 9a2fae6398e..578bf51a5fc 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -164,12 +164,24 @@ int
grub_debug_enabled (const char * condition)
{
const char *debug;
+ char *negcond;
+ int negated = 0;
debug = grub_env_get ("debug");
if (!debug)
return 0;
- if (grub_strword (debug, "all") || grub_strword (debug, condition))
+ negcond = grub_zalloc (grub_strlen (condition) + 2);
+ if (negcond)
+ {
+ grub_strcpy (negcond, "-");
+ grub_strcpy (negcond+1, condition);
+ negated = grub_strword (debug, negcond);
+ grub_free (negcond);
+ }
+
+ if (!negated &&
+ (grub_strword (debug, "all") || grub_strword (debug, condition)))
return 1;
return 0;