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checkpatch: update signature "might be better as" warning 

email header lines can look like signature tags.  It's valid to have
multiple email recipients on a single line but not valid to have multiple
signatures on a single line.

Validate signatures only when not in the email headers.

Clear the $in_commit_log flag when the patch filename appears.

Add '-' to the valid chars in a message header for headers
like "Message-Id:" and "In-Reply-To:".

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2012-01-10 15:09:50 -08:00 committed by Linus Torvalds
parent 96b62067f9
commit 270c49a088
1 changed files with 5 additions and 2 deletions
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7
scripts/checkpatch.pl
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@ -1504,9 +1504,11 @@ sub process {
if ($line =~ /^diff --git.*?(\S+)$/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
$in_commit_log = 0;
} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
$in_commit_log = 0;
$p1_prefix = $1;
if (!$file && $tree && $p1_prefix ne '' &&
@ -1546,7 +1548,8 @@ sub process {
}
# Check signature styles
if ($line =~ /^(\s*)($signature_tags)(\s*)(.*)/) {
if (!$in_header_lines &&
$line =~ /^(\s*)($signature_tags)(\s*)(.*)/) {
my $space_before = $1;
my $sign_off = $2;
my $space_after = $3;
@ -1623,7 +1626,7 @@ sub process {
# Check if it's the start of a commit log
# (not a header line and we haven't seen the patch filename)
if ($in_header_lines && $realfile =~ /^$/ &&
$rawline !~ /^(commit\b|from\b|\w+:).+$/i) {
$rawline !~ /^(commit\b|from\b|[\w-]+:).+$/i) {
$in_header_lines = 0;
$in_commit_log = 1;
}