diff options
Diffstat (limited to 'perl/Git')
| -rw-r--r-- | perl/Git/I18N.pm | 2 | ||||
| -rw-r--r-- | perl/Git/LoadCPAN.pm | 104 | ||||
| -rw-r--r-- | perl/Git/LoadCPAN/Error.pm | 10 | ||||
| -rw-r--r-- | perl/Git/LoadCPAN/Mail/Address.pm | 10 | ||||
| -rw-r--r-- | perl/Git/Packet.pm | 173 | ||||
| -rw-r--r-- | perl/Git/SVN.pm | 15 |
6 files changed, 305 insertions, 9 deletions
diff --git a/perl/Git/I18N.pm b/perl/Git/I18N.pm index 836a5c2382..bfb4fb67a1 100644 --- a/perl/Git/I18N.pm +++ b/perl/Git/I18N.pm @@ -18,7 +18,7 @@ our @EXPORT_OK = @EXPORT; sub __bootstrap_locale_messages { our $TEXTDOMAIN = 'git'; - our $TEXTDOMAINDIR = $ENV{GIT_TEXTDOMAINDIR} || '++LOCALEDIR++'; + our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '@@LOCALEDIR@@'; require POSIX; POSIX->import(qw(setlocale)); diff --git a/perl/Git/LoadCPAN.pm b/perl/Git/LoadCPAN.pm new file mode 100644 index 0000000000..e5585e75e8 --- /dev/null +++ b/perl/Git/LoadCPAN.pm @@ -0,0 +1,104 @@ +package Git::LoadCPAN; +use 5.008; +use strict; +use warnings; + +=head1 NAME + +Git::LoadCPAN - Wrapper for loading modules from the CPAN (OS) or Git's own copy + +=head1 DESCRIPTION + +The Perl code in Git depends on some modules from the CPAN, but we +don't want to make those a hard requirement for anyone building from +source. + +Therefore the L<Git::LoadCPAN> namespace shipped with Git contains +wrapper modules like C<Git::LoadCPAN::Module::Name> that will first +attempt to load C<Module::Name> from the OS, and if that doesn't work +will fall back on C<FromCPAN::Module::Name> shipped with Git itself. + +Usually distributors will not ship with Git's Git::FromCPAN tree at +all via the C<NO_PERL_CPAN_FALLBACKS> option, preferring to use their +own packaging of CPAN modules instead. + +This module is only intended to be used for code shipping in the +C<git.git> repository. Use it for anything else at your peril! + +=cut + +# NO_PERL_CPAN_FALLBACKS_STR evades the sed search-replace from the +# Makefile, and allows for detecting whether the module is loaded from +# perl/Git as opposed to perl/build/Git, which is useful for one-off +# testing without having Error.pm et al installed. +use constant NO_PERL_CPAN_FALLBACKS_STR => '@@' . 'NO_PERL_CPAN_FALLBACKS' . '@@'; +use constant NO_PERL_CPAN_FALLBACKS => ( + q[@@NO_PERL_CPAN_FALLBACKS@@] ne '' + and + q[@@NO_PERL_CPAN_FALLBACKS@@] ne NO_PERL_CPAN_FALLBACKS_STR +); + +sub import { + shift; + my $caller = caller; + my %args = @_; + my $module = exists $args{module} ? delete $args{module} : die "BUG: Expected 'module' parameter!"; + my $import = exists $args{import} ? delete $args{import} : die "BUG: Expected 'import' parameter!"; + die "BUG: Too many arguments!" if keys %args; + + # Foo::Bar to Foo/Bar.pm + my $package_pm = $module; + $package_pm =~ s[::][/]g; + $package_pm .= '.pm'; + + eval { + require $package_pm; + 1; + } or do { + my $error = $@ || "Zombie Error"; + + if (NO_PERL_CPAN_FALLBACKS) { + chomp(my $error = sprintf <<'THEY_PROMISED', $module); +BUG: The '%s' module is not here, but NO_PERL_CPAN_FALLBACKS was set! + +Git needs this Perl module from the CPAN, and will by default ship +with a copy of it. This Git was built with NO_PERL_CPAN_FALLBACKS, +meaning that whoever built it promised to provide this module. + +You're seeing this error because they broke that promise, and we can't +load our fallback version, since we were asked not to install it. + +If you're seeing this error and didn't package Git yourself the +package you're using is broken, or your system is broken. This error +won't appear if Git is built without NO_PERL_CPAN_FALLBACKS (instead +we'll use our fallback version of the module). +THEY_PROMISED + die $error; + } + + my $Git_LoadCPAN_pm_path = $INC{"Git/LoadCPAN.pm"} || die "BUG: Should have our own path from %INC!"; + + require File::Basename; + my $Git_LoadCPAN_pm_root = File::Basename::dirname($Git_LoadCPAN_pm_path) || die "BUG: Can't figure out lib/Git dirname from '$Git_LoadCPAN_pm_path'!"; + + require File::Spec; + my $Git_pm_FromCPAN_root = File::Spec->catdir($Git_LoadCPAN_pm_root, '..', 'FromCPAN'); + die "BUG: '$Git_pm_FromCPAN_root' should be a directory!" unless -d $Git_pm_FromCPAN_root; + + local @INC = ($Git_pm_FromCPAN_root, @INC); + require $package_pm; + }; + + if ($import) { + no strict 'refs'; + *{"${caller}::import"} = sub { + shift; + use strict 'refs'; + unshift @_, $module; + goto &{"${module}::import"}; + }; + use strict 'refs'; + } +} + +1; diff --git a/perl/Git/LoadCPAN/Error.pm b/perl/Git/LoadCPAN/Error.pm new file mode 100644 index 0000000000..c6d2c45d80 --- /dev/null +++ b/perl/Git/LoadCPAN/Error.pm @@ -0,0 +1,10 @@ +package Git::LoadCPAN::Error; +use 5.008; +use strict; +use warnings; +use Git::LoadCPAN ( + module => 'Error', + import => 1, +); + +1; diff --git a/perl/Git/LoadCPAN/Mail/Address.pm b/perl/Git/LoadCPAN/Mail/Address.pm new file mode 100644 index 0000000000..f70a4f064c --- /dev/null +++ b/perl/Git/LoadCPAN/Mail/Address.pm @@ -0,0 +1,10 @@ +package Git::LoadCPAN::Mail::Address; +use 5.008; +use strict; +use warnings; +use Git::LoadCPAN ( + module => 'Mail::Address', + import => 0, +); + +1; diff --git a/perl/Git/Packet.pm b/perl/Git/Packet.pm new file mode 100644 index 0000000000..b75738bed4 --- /dev/null +++ b/perl/Git/Packet.pm @@ -0,0 +1,173 @@ +package Git::Packet; +use 5.008; +use strict; +use warnings; +BEGIN { + require Exporter; + if ($] < 5.008003) { + *import = \&Exporter::import; + } else { + # Exporter 5.57 which supports this invocation was + # released with perl 5.8.3 + Exporter->import('import'); + } +} + +our @EXPORT = qw( + packet_compare_lists + packet_bin_read + packet_txt_read + packet_key_val_read + packet_bin_write + packet_txt_write + packet_flush + packet_initialize + packet_read_capabilities + packet_read_and_check_capabilities + packet_check_and_write_capabilities + ); +our @EXPORT_OK = @EXPORT; + +sub packet_compare_lists { + my ($expect, @result) = @_; + my $ix; + if (scalar @$expect != scalar @result) { + return undef; + } + for ($ix = 0; $ix < $#result; $ix++) { + if ($expect->[$ix] ne $result[$ix]) { + return undef; + } + } + return 1; +} + +sub packet_bin_read { + my $buffer; + my $bytes_read = read STDIN, $buffer, 4; + if ( $bytes_read == 0 ) { + # EOF - Git stopped talking to us! + return ( -1, "" ); + } elsif ( $bytes_read != 4 ) { + die "invalid packet: '$buffer'"; + } + my $pkt_size = hex($buffer); + if ( $pkt_size == 0 ) { + return ( 1, "" ); + } 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 { + die "invalid packet size: $pkt_size"; + } +} + +sub remove_final_lf_or_die { + my $buf = shift; + if ( $buf =~ s/\n$// ) { + 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(); + if ( $res != -1 and $buf ne '' ) { + $buf = remove_final_lf_or_die($buf); + } + return ( $res, $buf ); +} + +# Read a text packet, expecting that it is in the form "key=value" for +# the given $key. An EOF does not trigger any error and is reported +# back to the caller (like packet_txt_read() does). Die if the "key" +# part of "key=value" does not match the given $key, or the value part +# is empty. +sub packet_key_val_read { + my ( $key ) = @_; + my ( $res, $buf ) = packet_txt_read(); + if ( $res == -1 or ( $buf =~ s/^$key=// and $buf ne '' ) ) { + return ( $res, $buf ); + } + die "bad $key: '$buf'"; +} + +sub packet_bin_write { + my $buf = shift; + print STDOUT sprintf( "%04x", length($buf) + 4 ); + print STDOUT $buf; + STDOUT->flush(); +} + +sub packet_txt_write { + packet_bin_write( $_[0] . "\n" ); +} + +sub packet_flush { + print STDOUT sprintf( "%04x", 0 ); + STDOUT->flush(); +} + +sub packet_initialize { + my ($name, $version) = @_; + + packet_compare_lists([0, $name . "-client"], packet_txt_read()) || + die "bad initialize"; + packet_compare_lists([0, "version=" . $version], packet_txt_read()) || + die "bad version"; + packet_compare_lists([1, ""], packet_bin_read()) || + die "bad version end"; + + packet_txt_write( $name . "-server" ); + packet_txt_write( "version=" . $version ); + packet_flush(); +} + +sub packet_read_capabilities { + my @cap; + while (1) { + my ( $res, $buf ) = packet_bin_read(); + if ( $res == -1 ) { + die "unexpected EOF when reading capabilities"; + } + return ( $res, @cap ) if ( $res != 0 ); + $buf = remove_final_lf_or_die($buf); + unless ( $buf =~ s/capability=// ) { + die "bad capability buf: '$buf'"; + } + push @cap, $buf; + } +} + +# Read remote capabilities and check them against capabilities we require +sub packet_read_and_check_capabilities { + my @required_caps = @_; + my ($res, @remote_caps) = packet_read_capabilities(); + my %remote_caps = map { $_ => 1 } @remote_caps; + foreach (@required_caps) { + unless (exists($remote_caps{$_})) { + die "required '$_' capability not available from remote" ; + } + } + return %remote_caps; +} + +# Check our capabilities we want to advertise against the remote ones +# and then advertise our capabilities +sub packet_check_and_write_capabilities { + my ($remote_caps, @our_caps) = @_; + foreach (@our_caps) { + unless (exists($remote_caps->{$_})) { + die "our capability '$_' is not available from remote" + } + packet_txt_write( "capability=" . $_ ); + } + packet_flush(); +} + +1; diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm index bc4eed3d75..76b2965905 100644 --- a/perl/Git/SVN.pm +++ b/perl/Git/SVN.pm @@ -1405,7 +1405,7 @@ sub parse_svn_date { $ENV{TZ} = 'UTC'; my $epoch_in_UTC = - Time::Local::timelocal($S, $M, $H, $d, $m - 1, $Y - 1900); + Time::Local::timelocal($S, $M, $H, $d, $m - 1, $Y); # Determine our local timezone (including DST) at the # time of $epoch_in_UTC. $Git::SVN::Log::TZ stored the @@ -1482,7 +1482,6 @@ sub call_authors_prog { } if ($author =~ /^\s*(.+?)\s*<(.*)>\s*$/) { my ($name, $email) = ($1, $2); - $email = undef if length $2 == 0; return [$name, $email]; } else { die "Author: $orig_author: $::_authors_prog returned " @@ -2020,8 +2019,8 @@ sub make_log_entry { remove_username($full_url); $log_entry{metadata} = "$full_url\@$r $uuid"; $log_entry{svm_revision} = $r; - $email ||= "$author\@$uuid"; - $commit_email ||= "$author\@$uuid"; + $email = "$author\@$uuid" unless defined $email; + $commit_email = "$author\@$uuid" unless defined $commit_email; } elsif ($self->use_svnsync_props) { my $full_url = canonicalize_url( add_path_to_url( $self->svnsync->{url}, $self->path ) @@ -2029,15 +2028,15 @@ sub make_log_entry { remove_username($full_url); my $uuid = $self->svnsync->{uuid}; $log_entry{metadata} = "$full_url\@$rev $uuid"; - $email ||= "$author\@$uuid"; - $commit_email ||= "$author\@$uuid"; + $email = "$author\@$uuid" unless defined $email; + $commit_email = "$author\@$uuid" unless defined $commit_email; } else { my $url = $self->metadata_url; remove_username($url); my $uuid = $self->rewrite_uuid || $self->ra->get_uuid; $log_entry{metadata} = "$url\@$rev " . $uuid; - $email ||= "$author\@" . $uuid; - $commit_email ||= "$author\@" . $uuid; + $email = "$author\@$uuid" unless defined $email; + $commit_email = "$author\@$uuid" unless defined $commit_email; } $log_entry{name} = $name; $log_entry{email} = $email; |