Re: [RFC PATCH 1/5] checkpatch: improve handling of revert commits

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On 8/18/21 7:00 PM, Joe Perches wrote:
> On Wed, 2021-08-18 at 18:46 +0300, Denis Efremov wrote:
>> Properly handle commits like:
>> commit f2791e7eadf4 ("Revert "floppy: refactor open() flags handling"")
> 
> Try this one:
> 
> https://lore.kernel.org/lkml/7f55d9d0369f1ea840fab83eeb77f9f3601fee41.camel@xxxxxxxxxxx/
> 

It works but why not to use .+? then?
I'm not sure that non-greedy patterns will properly handle commits like:
$ git log --oneline | fgrep '")'

e.g. 
commit ece2619fe8ed ("extcon: arizona: Fix flags parameter to the gpiod_get("wlf,micd-pol") call")


>>
>> Cc: Joe Perches <joe@xxxxxxxxxxx>
>> Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
>> ---
>>  scripts/checkpatch.pl | 12 ++++++------
>>  1 file changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
>> index 461d4221e4a4..cf31e8c994d3 100755
>> --- a/scripts/checkpatch.pl
>> +++ b/scripts/checkpatch.pl
>> @@ -3200,20 +3200,20 @@ sub process {
>>  			$long = 1 if ($line =~ /\bcommit\s+[0-9a-f]{41,}/i);
>>  			$space = 0 if ($line =~ /\bcommit [0-9a-f]/i);
>>  			$case = 0 if ($line =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
>> -			if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) {
>> +			if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("(.+)"\)/i) {
>>  				$orig_desc = $1;
>>  				$hasparens = 1;
>>  			} elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s*$/i &&
>>  				 defined $rawlines[$linenr] &&
>> -				 $rawlines[$linenr] =~ /^\s*\("([^"]+)"\)/) {
>> +				 $rawlines[$linenr] =~ /^\s*\("(.+)"\)/) {
>>  				$orig_desc = $1;
>>  				$hasparens = 1;
>> -			} elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("[^"]+$/i &&
>> +			} elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\(".+$/i &&
>>  				 defined $rawlines[$linenr] &&
>> -				 $rawlines[$linenr] =~ /^\s*[^"]+"\)/) {
>> -				$line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)$/i;
>> +				 $rawlines[$linenr] =~ /^\s*.+"\)/) {
>> +				$line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("(.+)$/i;
>>  				$orig_desc = $1;
>> -				$rawlines[$linenr] =~ /^\s*([^"]+)"\)/;
>> +				$rawlines[$linenr] =~ /^\s*(.+)"\)/;
>>  				$orig_desc .= " " . $1;
>>  				$hasparens = 1;
>>  			}
> 



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