#!/usr/bin/perl

my %topics=(
	git => [qw(linus git linux rebase rebased merge merged cherry-pick
		branch branched branches git-* push pull pushed pulled)],
	ubuntu => [qw(Mark MOTU PPA ubuntu debian rock rocks rule dapper
		feisty fiesty gutsy hoary hardy edgy
		universe launchpad gnome desktop naked sabdfl community)],
	debian => [qw(Debian rules rule ian murdock upstream release
		stable unstable testing apt apt-get deb developer NM RM
		NMU FTBFS BTS ITP DFSG non-free free d.o)],
);

if (! @ARGV) {
	@ARGV=@{$topics{git}};
}
elsif (@ARGV == 1 && exists $topics{lc $ARGV[0]}) {
	@ARGV=@{$topics{lc $ARGV[0]}};
}

my $total_awesomeness_dude=join("|", 
	map {
		$_=quotemeta($_);
		s/\\\*/.*/g;
		s/\\\?/./g;
		qr/\b$_\b/;
	} reverse sort @ARGV);

my $len=0;
my $indent="";
my $indent_printed=0;
while (<STDIN>) {
	if (/$total_awesomeness_dude/i) {
		if (/^([>|][>|\s]*)/) {
			if ($indent ne $1) {
				print "\n" if $len;
				$len=0;
				$indent=$1;
				$indent_printed=0;
			}
		}
		else {
			if (length $indent && $indent_printed) {
				print "\n";
				$len=0;
			}
			$indent="";
			$indent_printed=0;
		}

		while(/(($total_awesomeness_dude)[.?!]*)/ig) {
			$len+=length($1)+1;
			if ($len > 70) {
				print "\n";
				$len=0;
			}
			if (length $indent && ! $indent_printed) {
				print $indent;
				$indent_printed=1;
			}
			print $1." ";
		}
	}
}
print "\n" if $len;