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# Copyright (C) 2008 Arne Georg Gleditsch <lxr@linux.no>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# The full GNU General Public License is included in this distribution
# in the file called COPYING.
package LXRng::Repo::Git::File;
use strict;
use base qw(LXRng::Repo::File);
use LXRng::Repo::TmpFile;
use File::Temp qw(tempdir);
sub new {
my ($class, $repo, $name, $ref, $rel) = @_;
return bless({repo => $repo, name => $name, ref => $ref, rel => $rel},
$class);
}
sub time {
my ($self) = @_;
if ($$self{'repo'}->_use_author_timestamp) {
# This is painfully slow. It is only performed index-time,
# but that might stil be bad enough that you would want to
# just use the release-timestamp insted.
my $cinfo = $$self{'repo'}->_git_cmd('log', '--pretty=raw',
'--max-count=1', '--all',
'..'.$$self{'rel'},
'--', $self->name);
my $time;
while (<$cinfo>) {
$time = $1 if /^author .*? (\d+(?: [-+]\d+|))$/ ;
$time ||= $1 if /^committer .*? (\d+(?: [-+]\d+|))$/ ;
}
return $time if $time;
}
return $$self{'repo'}->_release_timestamp($$self{'rel'});
}
sub size {
my ($self) = @_;
my $git = $$self{'repo'}->_git_cmd('cat-file', '-s', $$self{'ref'});
my $size = <$git>;
close($git);
chomp($size);
return $size;
}
sub handle {
my ($self) = @_;
return $$self{'repo'}->_git_cmd('cat-file', 'blob', $$self{'ref'});
}
sub revision {
my ($self) = @_;
return $$self{'ref'};
}
sub phys_path {
my ($self) = @_;
return $$self{'phys_path'} if exists $$self{'phys_path'};
my $tmpdir = tempdir() or die($!);
open(my $phys, ">", $tmpdir.'/'.$self->node) or die($!);
my $handle = $self->handle();
my $buf = '';
while (sysread($handle, $buf, 64*1024) > 0) {
print($phys $buf) or die($!);
}
close($handle);
close($phys) or die($!);
return $$self{'phys_path'} =
LXRng::Repo::TmpFile->new(dir => $tmpdir,
node => $self->node);
}
1;
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