From bf139a06144db84f420576d73da7a08b52d09bb5 Mon Sep 17 00:00:00 2001 From: Pasi Savanainen Date: Mon, 30 Apr 2018 13:46:48 +0100 Subject: [PATCH] checkpatch: check utf-8 content from a commit log when it's missing from charset Check that a commit log doesn't contain UTF-8 when a mail header explicitly defines a different charset, like 'Content-Type: text/plain; charset="us-ascii"' Signed-off-by: Pasi Savanainen Reviewed-by: Markus Armbruster Reviewed-by: Thomas Huth Signed-off-by: Stefan Hajnoczi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Message-id: 20180430124651.10340-3-stefanha@redhat.com Cc: Joe Perches Cc: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds (cherry picked from commit fa64205df9dfd7b7662cc64a7e82115c00e428e5) Signed-off-by: Stefan Hajnoczi Reviewed-by: Thomas Huth Signed-off-by: Stefan Hajnoczi --- scripts/checkpatch.pl | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c667d085ae..25bf43bad0 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1186,6 +1186,8 @@ sub process { my $in_header_lines = 1; my $in_commit_log = 0; #Scanning lines before patch + my $non_utf8_charset = 0; + our @report = (); our $cnt_lines = 0; our $cnt_error = 0; @@ -1414,8 +1416,15 @@ sub process { $in_commit_log = 1; } -# Still not yet in a patch, check for any UTF-8 - if ($in_commit_log && $realfile =~ /^$/ && +# Check if there is UTF-8 in a commit log when a mail header has explicitly +# declined it, i.e defined some charset where it is missing. + if ($in_header_lines && + $rawline =~ /^Content-Type:.+charset="(.+)".*$/ && + $1 !~ /utf-8/i) { + $non_utf8_charset = 1; + } + + if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && $rawline =~ /$NON_ASCII_UTF8/) { WARN("8-bit UTF-8 used in possible commit log\n" . $herecurr); }