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checkpatch: warn for non-standard fixes tag style

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Add a warning for fixes tags that does not follow community conventions.

Link: https://lkml.kernel.org/r/20220914100255.1048460-1-niklas.soderlund@corigine.com
Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com>
Acked-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Niklas Söderlund
2022-09-14 12:02:55 +02:00
committed by Andrew Morton
parent 462cd7724e
commit bd17e036b4
2 changed files with 51 additions and 0 deletions
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44
scripts/checkpatch.pl
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@@ -3146,6 +3146,50 @@ sub process {
}
}
# Check Fixes: styles is correct
if (!$in_header_lines &&
$line =~ /^\s*fixes:?\s*(?:commit\s*)?[0-9a-f]{5,}\b/i) {
my $orig_commit = "";
my $id = "0123456789ab";
my $title = "commit title";
my $tag_case = 1;
my $tag_space = 1;
my $id_length = 1;
my $id_case = 1;
my $title_has_quotes = 0;
if ($line =~ /(\s*fixes:?)\s+([0-9a-f]{5,})\s+($balanced_parens)/i) {
my $tag = $1;
$orig_commit = $2;
$title = $3;
$tag_case = 0 if $tag eq "Fixes:";
$tag_space = 0 if ($line =~ /^fixes:? [0-9a-f]{5,} ($balanced_parens)/i);
$id_length = 0 if ($orig_commit =~ /^[0-9a-f]{12}$/i);
$id_case = 0 if ($orig_commit !~ /[A-F]/);
# Always strip leading/trailing parens then double quotes if existing
$title = substr($title, 1, -1);
if ($title =~ /^".*"$/) {
$title = substr($title, 1, -1);
$title_has_quotes = 1;
}
}
my ($cid, $ctitle) = git_commit_info($orig_commit, $id,
$title);
if ($ctitle ne $title || $tag_case || $tag_space ||
$id_length || $id_case || !$title_has_quotes) {
if (WARN("BAD_FIXES_TAG",
"Please use correct Fixes: style 'Fixes: <12 chars of sha1> (\"<title line>\")' - ie: 'Fixes: $cid (\"$ctitle\")'\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] = "Fixes: $cid (\"$ctitle\")";
}
}
}
# Check email subject for common tools that don't need to be mentioned
if ($in_header_lines &&
$line =~ /^Subject:.*\b(?:checkpatch|sparse|smatch)\b[^:]/i) {