Run perltidy over Catalog.pm

Commit 69eb643 deliberately left indentation unchanged to make the changes
more legible. Rather than waiting until next year's perltidy run, do it now
to avoid confusion

Per suggestion from Álvaro Herrera
Discussion: https://www.postgresql.org/message-id/20220907083558.vfvb5hcauaictgum%40alvherre.pgsql

src/backend/catalog/Catalog.pm

@@ -289,71 +289,72 @@ sub ParseData
 
 	if ($preserve_formatting)
 	{
-	# Scan the input file.
-	while (<$ifd>)
-	{
-		my $hash_ref;
-
-		if (/{/)
+		# Scan the input file.
+		while (<$ifd>)
 		{
-			# Capture the hash ref
-			# NB: Assumes that the next hash ref can't start on the
-			# same line where the present one ended.
-			# Not foolproof, but we shouldn't need a full parser,
-			# since we expect relatively well-behaved input.
-
-			# Quick hack to detect when we have a full hash ref to
-			# parse. We can't just use a regex because of values in
-			# pg_aggregate and pg_proc like '{0,0}'.  This will need
-			# work if we ever need to allow unbalanced braces within
-			# a field value.
-			my $lcnt = tr/{//;
-			my $rcnt = tr/}//;
-
-			if ($lcnt == $rcnt)
+			my $hash_ref;
+
+			if (/{/)
 			{
-				# We're treating the input line as a piece of Perl, so we
-				# need to use string eval here. Tell perlcritic we know what
-				# we're doing.
-				eval '$hash_ref = ' . $_;   ## no critic (ProhibitStringyEval)
-				if (!ref $hash_ref)
+				# Capture the hash ref
+				# NB: Assumes that the next hash ref can't start on the
+				# same line where the present one ended.
+				# Not foolproof, but we shouldn't need a full parser,
+				# since we expect relatively well-behaved input.
+
+				# Quick hack to detect when we have a full hash ref to
+				# parse. We can't just use a regex because of values in
+				# pg_aggregate and pg_proc like '{0,0}'.  This will need
+				# work if we ever need to allow unbalanced braces within
+				# a field value.
+				my $lcnt = tr/{//;
+				my $rcnt = tr/}//;
+
+				if ($lcnt == $rcnt)
 				{
-					die "$input_file: error parsing line $.:\n$_\n";
-				}
+					# We're treating the input line as a piece of Perl, so we
+					# need to use string eval here. Tell perlcritic we know what
+					# we're doing.
+					eval '$hash_ref = '
+					  . $_;    ## no critic (ProhibitStringyEval)
+					if (!ref $hash_ref)
+					{
+						die "$input_file: error parsing line $.:\n$_\n";
+					}
+
+					# Annotate each hash with the source line number.
+					$hash_ref->{line_number} = $.;
 
-				# Annotate each hash with the source line number.
-				$hash_ref->{line_number} = $.;
+					# Expand tuples to their full representation.
+					AddDefaultValues($hash_ref, $schema, $catname);
+				}
+				else
+				{
+					my $next_line = <$ifd>;
+					die "$input_file: file ends within Perl hash\n"
+					  if !defined $next_line;
+					$_ .= $next_line;
+					redo;
+				}
+			}
 
-				# Expand tuples to their full representation.
-				AddDefaultValues($hash_ref, $schema, $catname);
+			# If we found a hash reference, keep it, unless it is marked as
+			# autogenerated; in that case it'd duplicate an entry we'll
+			# autogenerate below.  (This makes it safe for reformat_dat_file.pl
+			# with --full-tuples to print autogenerated entries, which seems like
+			# useful behavior for debugging.)
+			#
+			# Otherwise, we have a non-data string, which we need to keep in
+			# order to preserve formatting.
+			if (defined $hash_ref)
+			{
+				push @$data, $hash_ref if !$hash_ref->{autogenerated};
 			}
 			else
 			{
-				my $next_line = <$ifd>;
-				die "$input_file: file ends within Perl hash\n"
-				  if !defined $next_line;
-				$_ .= $next_line;
-				redo;
+				push @$data, $_;
 			}
 		}
-
-		# If we found a hash reference, keep it, unless it is marked as
-		# autogenerated; in that case it'd duplicate an entry we'll
-		# autogenerate below.  (This makes it safe for reformat_dat_file.pl
-		# with --full-tuples to print autogenerated entries, which seems like
-		# useful behavior for debugging.)
-		#
-		# Otherwise, we have a non-data string, which we need to keep in
-		# order to preserve formatting.
-		if (defined $hash_ref)
-		{
-			push @$data, $hash_ref if !$hash_ref->{autogenerated};
-		}
-		else
-		{
-			push @$data, $_;
-		}
-	}
 	}
 	else
 	{