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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>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Message-id: 20180430124651.10340-3-stefanha@redhat.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>
(cherry picked from commit fa64205df9dfd7b7662cc64a7e82115c00e428e5)
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Pasi Savanainen 2018-04-30 13:46:48 +01:00 committed by Stefan Hajnoczi
parent b37c4aacf7
commit bf139a0614
1 changed files with 11 additions and 2 deletions
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13
scripts/checkpatch.pl
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@ -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);
}