grep option

[git-grep-footer.git] / git-grep-footer

diff --git a/git-grep-footer b/git-grep-footer
index 0c26549197cfddfa4eeb8e511edd4aab1134dcde..c5d94400521c8bf56c06938762734ee68c8a28fd 100755 (executable)
--- a/git-grep-footer
+++ b/git-grep-footer
@@ -13,6 +13,7 @@ GetOptions(\my %opt,
        'simplify|s:s',
        'ignore-case|i!',
        'fuzzy!',
        'simplify|s:s',
        'ignore-case|i!',
        'fuzzy!',

+       'grep|S=s',

        'min|min-count|unique|u:i',
        'max|max-count|show|n:i',
        'version|V'  => sub { Getopt::Long::VersionMessage() },
        'min|min-count|unique|u:i',
        'max|max-count|show|n:i',
        'version|V'  => sub { Getopt::Long::VersionMessage() },


@@ -23,12 +24,12 @@ GetOptions(\my %opt,
 local $| = 1;
 local $/ = "\0";
 
 local $| = 1;
 local $/ = "\0";
 

-my $HEADERMATCH = qr/ [a-z]+ (?: (?:-\w+)+ | \ by ) /ix;
+my $HEADERMATCH = qr/ [a-z]+ (?: (?:-\w+)+ | \ by ) | cc | reference /ix;

 
 my (%headercount, @headercache);
 
 while (readline) {
 
 my (%headercount, @headercache);
 
 while (readline) {

-       s/(.+)\n//m;
+       s/^([0-9a-f]{4,40})\n//m and

        my $hash = $1;
 
        # strip commit seperator
        my $hash = $1;
 
        # strip commit seperator


@@ -40,12 +41,12 @@ while (readline) {
        # if invalid, assume it's latin1
               $_ = decode(cp1252 => $_) if $@;
 
        # if invalid, assume it's latin1
               $_ = decode(cp1252 => $_) if $@;
 

-       my $prefix = 0;

        my %attr;
 
        BLOCK:
        for (reverse split /\n\n/) {
                my @headers;
        my %attr;
 
        BLOCK:
        for (reverse split /\n\n/) {
                my @headers;

+               my $prefix = 0;

 
                LINE:
                for (split /\n/) {
 
                LINE:
                for (split /\n/) {


@@ -75,6 +76,10 @@ while (readline) {
                                }
                        }
 
                                }
                        }
 

+                       if (defined $opt{grep}) {
+                               $_ ~~ qr/$opt{grep}/i or next LINE;
+                       }
+

                        given ($opt{simplify} // 'none') {
                                when (['email', 'authors']) {
                                        $header[1] =~ s{
                        given ($opt{simplify} // 'none') {
                                when (['email', 'authors']) {
                                        $header[1] =~ s{


@@ -85,7 +90,7 @@ while (readline) {
                                        }{<...>}imsx;
                                }
                                when (['var', 'vars', '']) {
                                        }{<...>}imsx;
                                }
                                when (['var', 'vars', '']) {

-                                       when ($header[0] =~ /[ _-] (?: by | to ) $/imsx) {
+                                       when ($header[0] =~ /[ _-] (?: by | to ) $ | ^cc$/imsx) {

                                                $header[1] = undef;
                                        }
                                        for ($header[1]) {
                                                $header[1] = undef;
                                        }
                                        for ($header[1]) {


@@ -118,12 +123,14 @@ while (readline) {
                next BLOCK if not @headers;
 
                if ($opt{debug} and $prefix) {
                next BLOCK if not @headers;
 
                if ($opt{debug} and $prefix) {

-                       say "infix junk in commit $hash";
+                       say sprintf ': invalid lines in %s (%s)', $hash // 'block', $prefix;

                }
 
                for (@headers) {
                        my $line = $_->[2] // join(': ', @$_);
                }
 
                for (@headers) {
                        my $line = $_->[2] // join(': ', @$_);

-                       if (defined $opt{min} or $opt{max}) {
+                       $line =~ s/^/$hash / if defined $hash;
+
+                       if (defined $opt{min} or $opt{max} or $opt{count}) {

                                my $counter = \$headercount{ $_->[0] }->{ $_->[1] // '' };
                                my $excess = $$counter++ - ($opt{min} // 0);
                                next if $excess >= ($opt{max} || 1);
                                my $counter = \$headercount{ $_->[0] }->{ $_->[1] // '' };
                                my $excess = $$counter++ - ($opt{min} // 0);
                                next if $excess >= ($opt{max} || 1);


@@ -161,6 +168,7 @@ a common convention to list custom metadata such as
 C<Signed-off-by> and C<Acked-by>.
 
 Sections are identified by at least one leading keyword containing a dash
 C<Signed-off-by> and C<Acked-by>.
 
 Sections are identified by at least one leading keyword containing a dash

+(or exceptionally recognised)

 followed by a colon.
 
 =head1 OPTIONS
 followed by a colon.
 
 =head1 OPTIONS


@@ -197,6 +205,11 @@ Values will be hidden entirely, so only attribute names remain.
 
 =back
 
 
 =back
 

+=item --grep=<pattern>
+
+Only include lines matching the specified regular expression.
+Case insensitivity can be disabled by prepending C<(?-i)>.
+

 =item -u, --unique[=<threshold>]
 
 Each match is only shown once,
 =item -u, --unique[=<threshold>]
 
 Each match is only shown once,


@@ -208,6 +221,11 @@ The original line is given for each match,
 but simplifications still apply for duplicate determination.
 Additional samples are optionally given upto the given maximum.
 
 but simplifications still apply for duplicate determination.
 Additional samples are optionally given upto the given maximum.
 

+=item -c, --count
+
+Prefixes (unique) lines by the number of occurrences.
+Causes output to be buffered until all input has been read (obviously).
+

 =back
 
 =head1 AUTHOR
 =back
 
 =head1 AUTHOR