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#!/usr/bin/env perl
use strict;
use warnings;
my $lineno = 0;
my $status = 0;
sub err {
my ($msg) = @_;
print STDERR "Error on line $lineno (actual line $.): ". $msg ."\n";
$status = 1;
}
open(my $commitfile, "<", $ARGV[0]) or die "Couldn't open $ARGV[0]";
while (<$commitfile>) {
next if /^#/; # Discard comments
next if $lineno == 0 && /^$/; # Discard leading empty lines
$lineno++; # Start at 1, so increment first
if ($lineno == 1) {
err "Not capitalized" if /^[^[:upper:]]/;
err "Longer than 50 characters" if /^.{51,}/;
next;
}
err "Should be empty" if $lineno == 2 && /.+/;
err "Longer than 72 characters" if /^.{73,}/;
}
close $commitfile;
exit $status;
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