count option

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

diff --git a/git-grep-footer b/git-grep-footer
index ff279a606bc2ad4cc8545b1e2e14f039b23550ce..8ac3a03b0a9fcf1225b5e33c4f564f1439ec266d 100755 (executable)
--- a/git-grep-footer
+++ b/git-grep-footer
@@ -9,6 +9,7 @@ use Getopt::Long qw(:config bundling);
 
 GetOptions(\my %opt,
        'debug!',
+       'count|c!',
        'simplify|s:s',
        'ignore-case|i!',
        'min|min-count|unique|u:i',
@@ -23,6 +24,8 @@ local $/ = "\0";
 
 my $HEADERMATCH = qr/ [a-z]+ (?: (?:-\w+)+ | \ by ) /ix;
 
+my (%headercount, @headercache);
+
 while (readline) {
        s/(.+)\n//m;
        my $hash = $1;
@@ -105,19 +108,28 @@ while (readline) {
                }
 
                for (@headers) {
+                       my $line = $_->[2] // join(': ', @$_);
                        if (defined $opt{min} or $opt{max}) {
-                               state $seen;
-                               my $count = $seen->{ $_->[0] }->{ $_->[1] // '' }++;
-                               next if $count >= ($opt{min} // 0) + ($opt{max} || 1);
-                               next if $count < ($opt{min} // 0);
+                               my $counter = \$headercount{ $_->[0] }->{ $_->[1] // '' };
+                               my $excess = $$counter++ - ($opt{min} // 0);
+                               next if $excess >= ($opt{max} || 1);
+                               next if $excess <  0;
+                               if ($opt{count}) {
+                                       push @headercache, [ $line, $excess ? \undef : $counter ];
+                                       next;
+                               }
                        }
-                       say $_->[2] // join(': ', @$_);
+                       say $line;
                }
 
                last BLOCK;
        }
 }
 
+for (@headercache) {
+       say ${$_->[1]} // '', "\t", $_->[0];
+}
+
 __END__
 
 =head1 NAME