Git/Packet.pm: use 'if' instead of 'unless'

The code is more understandable with 'if' instead of 'unless'.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2017-11-21 17:09:39 +01:00 committed by Junio C Hamano
parent cb1c64b4a8
commit 4a543708cc

View File

@ -68,16 +68,16 @@ sub packet_bin_read {
sub remove_final_lf_or_die {
my $buf = shift;
unless ( $buf =~ s/\n$// ) {
die "A non-binary line MUST be terminated by an LF.\n"
. "Received: '$buf'";
if ( $buf =~ s/\n$// ) {
return $buf;
}
return $buf;
die "A non-binary line MUST be terminated by an LF.\n"
. "Received: '$buf'";
}
sub packet_txt_read {
my ( $res, $buf ) = packet_bin_read();
unless ( $res == -1 or $buf eq '' ) {
if ( $res != -1 and $buf ne '' ) {
$buf = remove_final_lf_or_die($buf);
}
return ( $res, $buf );
@ -91,10 +91,10 @@ sub packet_txt_read {
sub packet_key_val_read {
my ( $key ) = @_;
my ( $res, $buf ) = packet_txt_read();
unless ( $res == -1 or ( $buf =~ s/^$key=// and $buf ne '' ) ) {
die "bad $key: '$buf'";
if ( $res == -1 or ( $buf =~ s/^$key=// and $buf ne '' ) ) {
return ( $res, $buf );
}
return ( $res, $buf );
die "bad $key: '$buf'";
}
sub packet_bin_write {