提交 15662b3e 编写于 作者: J Joe Perches 提交者: Linus Torvalds

checkpatch: add a --strict check for utf-8 in commit logs

Some find using utf-8 in commit logs inappropriate.

Some patch commit logs contain unintended utf-8 characters when doing
things like copy/pasting compilation output.

Look for the start of any commit log by skipping initial lines that look
like email headers and "From: " lines.

Stop looking for utf-8 at the first signature line.
Signed-off-by: NJoe Perches <joe@perches.com>
Suggested-by: NAndrew Morton <akpm@linux-foundation.org>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 67d0a075
......@@ -240,9 +240,8 @@ our $NonptrType;
our $Type;
our $Declare;
our $UTF8 = qr {
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
our $NON_ASCII_UTF8 = qr{
[\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
......@@ -251,6 +250,11 @@ our $UTF8 = qr {
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
}x;
our $UTF8 = qr{
[\x09\x0A\x0D\x20-\x7E] # ASCII
| $NON_ASCII_UTF8
}x;
our $typeTypedefs = qr{(?x:
(?:__)?(?:u|s|be|le)(?:8|16|32|64)|
atomic_t
......@@ -1330,6 +1334,9 @@ sub process {
my $signoff = 0;
my $is_patch = 0;
my $in_header_lines = 1;
my $in_commit_log = 0; #Scanning lines before patch
our @report = ();
our $cnt_lines = 0;
our $cnt_error = 0;
......@@ -1497,7 +1504,6 @@ sub process {
if ($line =~ /^diff --git.*?(\S+)$/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
......@@ -1536,6 +1542,7 @@ sub process {
# Check the patch for a signoff:
if ($line =~ /^\s*signed-off-by:/i) {
$signoff++;
$in_commit_log = 0;
}
# Check signature styles
......@@ -1613,6 +1620,21 @@ sub process {
"Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
}
# Check if it's the start of a commit log
# (not a header line and we haven't seen the patch filename)
if ($in_header_lines && $realfile =~ /^$/ &&
$rawline !~ /^(commit\b|from\b|\w+:).+$/i) {
$in_header_lines = 0;
$in_commit_log = 1;
}
# Still not yet in a patch, check for any UTF-8
if ($in_commit_log && $realfile =~ /^$/ &&
$rawline =~ /$NON_ASCII_UTF8/) {
CHK("UTF8_BEFORE_PATCH",
"8-bit UTF-8 used in possible commit log\n" . $herecurr);
}
# ignore non-hunk lines and lines being removed
next if (!$hunk_line || $line =~ /^-/);
......
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