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Description: Temporarily disable the stray \ warnings. While the related
patters are wrong, these warnings are causing trouble in Debian package
builds and autopkgtests.
This patch should be removed after coordination with the rest of the project
to remove the erroneous patterns.
Setting the DEB_GREP_ENABLE_STRAY_BACKSLASH_WARN environement variable
restores the upstream beahviour, enabling the warning.
Author: Santiago Ruano Rincón <santiago@debian.org>
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1019724
Index: grep/lib/dfa.c
===================================================================
--- grep.orig/lib/dfa.c
+++ grep/lib/dfa.c
@@ -1547,7 +1547,10 @@ lex (struct dfa *dfa)
if (!backslash)
goto normal_char;
stray_backslash:
- if (dfa->syntax.dfaopts & DFA_STRAY_BACKSLASH_WARN)
+ char const *userevalwarn;
+ userevalwarn = getenv ("DEB_GREP_ENABLE_STRAY_BACKSLASH_WARN");
+ if ((dfa->syntax.dfaopts & DFA_STRAY_BACKSLASH_WARN) &&
+ !(userevalwarn == NULL || *userevalwarn == '\0'))
{
char const *msg;
char msgbuf[100];
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