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>
This commit is contained in:
Christian Couder 2017-11-05 22:38:31 +01:00 committed by Junio C Hamano
parent 2c9ea595a7
commit ed17d26245

View file

@ -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 @@ sub packet_flush {
$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 @@ sub packet_flush {
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 @@ sub packet_flush {
$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 @@ sub packet_flush {
print $debug ".";
if ( length($output) > $MAX_PACKET_CONTENT_SIZE ) {
$output = substr( $output, $MAX_PACKET_CONTENT_SIZE );
}
else {
} else {
$output = "";
}
}