t0021/rot13-filter: improve 'if .. elsif .. else' style

Before further refactoring the "t0021/rot13-filter.pl" script,
let's modernize the style of its 'if .. elsif .. else' clauses
to improve its readability by making it more similar to our
other perl scripts.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t0021/rot13-filter.pl b/t/t0021/rot13-filter.pl
index c025518..37cecd8 100644 (file)
--- a/t/t0021/rot13-filter.pl
+++ b/t/t0021/rot13-filter.pl
@@ -75,23 +75,20 @@ sub packet_bin_read {
        if ( $bytes_read == 0 ) {
                # EOF - Git stopped talking to us!
                return ( -1, "" );
-       }
-       elsif ( $bytes_read != 4 ) {
+       } elsif ( $bytes_read != 4 ) {
                die "invalid packet: '$buffer'";
        }
        my $pkt_size = hex($buffer);
        if ( $pkt_size == 0 ) {
                return ( 1, "" );
-       }
-       elsif ( $pkt_size > 4 ) {
+       } elsif ( $pkt_size > 4 ) {
                my $content_size = $pkt_size - 4;
                $bytes_read = read STDIN, $buffer, $content_size;
                if ( $bytes_read != $content_size ) {
                        die "invalid packet ($content_size bytes expected; $bytes_read bytes read)";
                }
                return ( 0, $buffer );
-       }
-       else {
+       } else {
                die "invalid packet size: $pkt_size";
        }
 }
@@ -195,8 +192,7 @@ while (1) {
                $debug->flush();
                packet_txt_write("status=success");
                packet_flush();
-       }
-       else {
+       } else {
                my ( $res, $pathname ) = packet_required_key_val_read("pathname");
                if ( $res == -1 ) {
                        die "unexpected EOF while expecting pathname";
@@ -240,17 +236,13 @@ while (1) {
                my $output;
                if ( exists $DELAY{$pathname} and exists $DELAY{$pathname}{"output"} ) {
                        $output = $DELAY{$pathname}{"output"}
-               }
-               elsif ( $pathname eq "error.r" or $pathname eq "abort.r" ) {
+               } elsif ( $pathname eq "error.r" or $pathname eq "abort.r" ) {
                        $output = "";
-               }
-               elsif ( $command eq "clean" and grep( /^clean$/, @capabilities ) ) {
+               } elsif ( $command eq "clean" and grep( /^clean$/, @capabilities ) ) {
                        $output = rot13($input);
-               }
-               elsif ( $command eq "smudge" and grep( /^smudge$/, @capabilities ) ) {
+               } elsif ( $command eq "smudge" and grep( /^smudge$/, @capabilities ) ) {
                        $output = rot13($input);
-               }
-               else {
+               } else {
                        die "bad command '$command'";
                }
 
@@ -259,25 +251,21 @@ while (1) {
                        $debug->flush();
                        packet_txt_write("status=error");
                        packet_flush();
-               }
-               elsif ( $pathname eq "abort.r" ) {
+               } elsif ( $pathname eq "abort.r" ) {
                        print $debug "[ABORT]\n";
                        $debug->flush();
                        packet_txt_write("status=abort");
                        packet_flush();
-               }
-               elsif ( $command eq "smudge" and
+               } elsif ( $command eq "smudge" and
                        exists $DELAY{$pathname} and
-                       $DELAY{$pathname}{"requested"} == 1
-               ) {
+                       $DELAY{$pathname}{"requested"} == 1 ) {
                        print $debug "[DELAYED]\n";
                        $debug->flush();
                        packet_txt_write("status=delayed");
                        packet_flush();
                        $DELAY{$pathname}{"requested"} = 2;
                        $DELAY{$pathname}{"output"} = $output;
-               }
-               else {
+               } else {
                        packet_txt_write("status=success");
                        packet_flush();
 
@@ -297,8 +285,7 @@ while (1) {
                                print $debug ".";
                                if ( length($output) > $MAX_PACKET_CONTENT_SIZE ) {
                                        $output = substr( $output, $MAX_PACKET_CONTENT_SIZE );
-                               }
-                               else {
+                               } else {
                                        $output = "";
                                }
                        }