bisect.pl --help should show the full documentation, not just the usage.

The initial paragraphs of documentation are actually more useful than most of
the options documentation. So show them too.

Suggested by David Leadbeater.

diff --git a/Porting/bisect-runner.pl b/Porting/bisect-runner.pl
index 06845b5..a17ef1b 100755 (executable)
--- a/Porting/bisect-runner.pl
+++ b/Porting/bisect-runner.pl
@@ -88,7 +88,7 @@ my ($target, $j, $match) = @options{qw(target jobs match)};
 @ARGV = ('sh', '-c', 'cd t && ./perl TEST base/*.t')
     if $options{validate} && !@ARGV;
 
-pod2usage(exitval => 0, verbose => 1) if $options{usage};
+pod2usage(exitval => 0, verbose => 2) if $options{usage};
 pod2usage(exitval => 255, verbose => 1)
     unless @ARGV || $match || $options{'test-build'} || defined $options{'one-liner'};
 pod2usage(exitval => 255, verbose => 1)