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# Copyright © 2010 Julian Blake Kongslie <jblake@omgwallhack.org>
# Licensed under the BSD 3-clause license.
package Piny::Repo;
use Moose;
use Moose::Util::TypeConstraints;
use File::Find qw( find );
use Piny::Group;
use Piny::User;
# Types
subtype 'Reponame'
=> as 'Str'
=> where { $_ =~ /^[a-zA-Z0-9][a-zA-Z0-9_.-]*$/ }
=> message { 'That name is not in the correct format for a piny repo.' }
;
subtype 'SimpleText'
=> as 'Str'
=> where { $_ =~ /^[\x{0020}-\x{FDCF}\x{FDF0}-\x{FFFD}]{1,80}$/ }
=> message { 'That description is not in the correct format for a piny repo.' }
;
# Attributes
has 'name' =>
( is => 'rw'
, isa => 'Reponame'
, trigger => \&_rename_repo
, required => 1
);
has 'group' =>
( is => 'ro'
, isa => 'Piny::Group'
, lazy_build => 1
, init_arg => undef
);
has 'path' =>
( is => 'ro'
, isa => 'Str'
, lazy_build => 1
, init_arg => undef
);
has 'description' =>
( is => 'rw'
, isa => 'SimpleText'
, trigger => \&_set_description
, lazy_build => 1
, init_arg => undef
);
has 'repostat' =>
( is => 'ro'
, isa => 'ArrayRef'
, lazy_build => 1
, init_arg => undef
);
has 'owner' =>
( is => 'rw'
, isa => 'Piny::User'
, trigger => \&_change_owner
, lazy_build => 1
, init_arg => undef
);
has 'globally_readable' =>
( is => 'ro'
, isa => 'Bool'
, lazy_build => 1
, init_arg => undef
);
has 'globally_writable' =>
( is => 'ro'
, isa => 'Bool'
, lazy_build => 1
, init_arg => undef
);
# Public methods
sub add_access {
my ( $s, @users ) = @_;
$s->group( )->add_member( @users );
};
sub remove_access {
my ( $s, @users ) = @_;
$s->group( )->remove_member( @users );
};
sub has_access {
my ( $s, $user ) = @_;
return $s->owner( )->uid( ) == $user->uid( ) or $user->has_group( $s->group( ) );
};
# Triggers
sub _rename_repo {
my ( $s, $new_name, $old_name ) = @_;
return unless defined $old_name;
my $olddir = "/srv/git/$old_name.git";
my $newdir = "/srv/git/$new_name.git";
rename( $olddir, $newdir ) or die "Couldn't rename $olddir to $newdir: $!";
$s->clear_path( );
};
sub _set_description {
my ( $s, $new_description, $old_description ) = @_;
return unless defined $old_description;
open( my $fd, ">", $s->path( ) . "/description" ) or die "Unable to open " . $s->path( ) . "/description for writing: $!";
print $fd $new_description;
close( $fd ) or die "Error when closing " . $s->path( ) . "/description: $!";
};
sub _change_owner {
my ( $s, $new_owner, $old_owner ) = @_;
return unless defined $old_owner;
find( { wanted => sub { chown( $new_owner->uid( ), -1, $_ ) or die "Couldn't chown $_: $!"; }, no_chdir => 1 }, $s->path( ) );
};
# Class methods
sub all_repos {
my ( $class, $dir ) = @_;
$dir = "/srv/git" unless defined $dir;
my @ret;
find( { wanted => sub { print "$_\n"; if ( /^[^.].*\.git$/ ) { $File::Find::prune = 1; push( @ret, $File::Find::name ); }; } }, $dir );
@ret = map { print "$_ "; s/^\Q$dir\E\/?//; s/\.git$//; print "$_\n"; $class->new( name => $_ ); } @ret;
return @ret;
};
# Builder methods
# If constructed with just one argument, then treat it as a repo name.
around BUILDARGS => sub {
my ( $orig, $class ) = ( shift, shift );
if ( @_ == 1 && ! ref $_[0] ) {
return $class->$orig( name => $_[0] );
} else {
return $class->$orig( @_ );
};
};
sub _build_group {
my ( $s ) = @_;
return Piny::Group->new( groupname => "git-" . $s->name( ) );
};
sub _build_path {
my ( $s ) = @_;
my $dir = "/srv/git/" . $s->name( ) . ".git";
if ( -d $dir ) {
return $dir;
} else {
die "Expected repo $dir does not exist!";
};
};
sub _build_description {
my ( $s ) = @_;
open( my $d, "<", $s->path( ) . "/description" ) or die "Unable to open " . $s->path( ) . "/description: $!";
my $desc;
{
local $/ = undef;
$desc = <$d>;
};
close( $d );
return $desc;
};
sub _build_repostat {
my ( $s ) = @_;
my @res = stat( $s->path( ) );
die "stat( " . $s->path( ) . " ) failed: $!" unless @res;
return \@res;
};
sub _build_owner {
my ( $s ) = @_;
my ( $uid ) = $s->repostat( )->[4];
return Piny::User->new( uid => $uid );
};
sub _build_globally_readable {
my ( $s ) = @_;
return ( $s->repostat( )->[2] & 0444 ) == 0444;
};
sub _build_globally_writable {
my ( $s ) = @_;
return ( $s->repostat( )->[2] & 0111 ) == 0111;
};
# Moose boilerplate
__PACKAGE__->meta->make_immutable;
1;
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