The Makefile.PL will now find .pm files itself.

It is no longer necessary to manually add new .pm files to the
Makefile.PL.  This makes it easier to add modules.

It is still necessary to add them to the Makefile, but that extra work
should be removed at a future date.

Signed-off-by: Michael G Schwern <schwern@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>

perl/Makefile.PL

@@ -2,6 +2,10 @@ use strict;
 use warnings;
 use ExtUtils::MakeMaker;
 use Getopt::Long;
+use File::Find;
+
+# Don't forget to update the perl/Makefile, too.
+# Don't forget to test with NO_PERL_MAKEMAKER=YesPlease
 
 # Sanity: die at first unknown option
 Getopt::Long::Configure qw/ pass_through /;
@@ -25,19 +29,18 @@ endif
 MAKE_FRAG
 }
 
-# XXX. When editing this list:
+# Find all the .pm files in "Git/" and Git.pm
-#
+my %pm;
-# * Please update perl/Makefile, too.
+find sub {
-# * Don't forget to test with NO_PERL_MAKEMAKER=YesPlease
+	return unless /\.pm$/;
-my %pm = (
+
-	'Git.pm' => '$(INST_LIBDIR)/Git.pm',
+	# sometimes File::Find prepends a ./  Strip it.
-	'Git/I18N.pm' => '$(INST_LIBDIR)/Git/I18N.pm',
+	my $pm_path = $File::Find::name;
-	'Git/SVN/Memoize/YAML.pm' => '$(INST_LIBDIR)/Git/SVN/Memoize/YAML.pm',
+	$pm_path =~ s{^\./}{};
-	'Git/SVN/Fetcher.pm' => '$(INST_LIBDIR)/Git/SVN/Fetcher.pm',
+
-	'Git/SVN/Editor.pm' => '$(INST_LIBDIR)/Git/SVN/Editor.pm',
+	$pm{$pm_path} = '$(INST_LIBDIR)/'.$pm_path;
-	'Git/SVN/Prompt.pm' => '$(INST_LIBDIR)/Git/SVN/Prompt.pm',
+}, "Git", "Git.pm";
-	'Git/SVN/Ra.pm' => '$(INST_LIBDIR)/Git/SVN/Ra.pm',
+
-);
 
 # We come with our own bundled Error.pm. It's not in the set of default
 # Perl modules so install it if it's not available on the system yet.