grub2/0274-Make-it-possible-to-subtract-conditions-from-debug.patch
Javier Martinez Canillas 11b49b804e
BLS support enhancements and some fixes
- Don't build the grub2-efi-ia32-* packages on i686 (pjones)
- Add efi-export-env and efi-load-env commands (pjones)
- Make it possible to subtract conditions from debug= (pjones)
- Try to set -fPIE and friends on libgnu.a (pjones)
- Add more options to blscfg command to make it more flexible
- Add support for prepend early initrds to the BLS entries
- Fix grub.cfg-XXX look up when booting over TFTP

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2019-02-04 19:28:49 +01:00

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 aaae9aa0ab7..f6eaa7b4df8 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -163,12 +163,24 @@ 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;