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 <pasi.savanainen@nixu.com>
Cc: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pasi Savanainen 2012-10-04 17:13:29 -07:00 committed by Linus Torvalds
parent 8290e2d2dc
commit fa64205df9

View File

@ -1386,6 +1386,8 @@ 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;
@ -1686,10 +1688,17 @@ 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/) {
CHK("UTF8_BEFORE_PATCH",
WARN("UTF8_BEFORE_PATCH",
"8-bit UTF-8 used in possible commit log\n" . $herecurr);
}