source: other-projects/nightly-tasks/snapshot/trunk/task.pl@ 21723

use File::Basename;
do "$ENV{'TASK_HOME'}/lib.pl";

die "Could not determine your operating system"
    unless ( $^O =~ "linux|darwin|MSWin32" );

#arguments
our $action = "";

#intervening variables
our $prefix = "";
our $release_dir = "";
our $rk = "";
our $snapshot_id = "";
our $branch_path = "";
our $major_version = 0;

if ( exists $ARGV[0] ) {
    $action = $ARGV[0];
}

if ( exists $ARGV[1] ) {
    die "too many arguments to snapshot task\n";
}

#default data dir
if ( ! exists $ENV{'DATA_DIR'} ) {
    $ENV{'DATA_DIR'} = "$ENV{'HOME'}/snapshots";
}

#choose the parameters of the build based on the task name
if ( $ENV{'TASK_NAME'} =~ "gs2-(caveat|stable)" ) {
    $major_version = 2;
    $prefix="2s";
    $rk="rk2";
} elsif ( $ENV{'TASK_NAME'} =~ "gs3-(caveat|stable)" ) {
    $major_version = 3;
    $prefix="3s";
    $rk="rk3";
} elsif ( $ENV{'TASK_NAME'} =~ "gs2-src-(caveat|stable)" ) {
    $major_version = 2;
    $prefix="2s";
    $rk="sork2";
} elsif ( $ENV{'TASK_NAME'} =~ "gs3-src-(caveat|stable)" ) {
    $major_version = 3;
    $prefix="3s";
    $rk="sork3";
} elsif ( $ENV{'TASK_NAME'} =~ "gs2-cd-(caveat|stable)" ) {
    $major_version = 2;
    $prefix="2s";
    $rk="cdrk2";
} elsif ( $ENV{'TASK_NAME'} =~ "dec-(caveat|stable)" ) {
    $prefix="";
    $rk="derk";
} else {
    die "unrecognised task name '$ENV{'TASK_NAME'}'\n";
}

#setup based on mode
if ( $ENV{'TASK_NAME'} =~ "caveat\$" ) {
    $ENV{'UPLOAD_DIR'}="nzdl\@puka.cs.waikato.ac.nz:/greenstone/greenstone.org/base/caveat-emptor";
    $ENV{'snapshot_id2'}=`ssh nzdl\@puka.cs.waikato.ac.nz cat /greenstone/greenstone.org/base/next-release.txt`;

    #TODO: generalise this for all oses!
    chomp($ENV{'snapshot_id2'});
    $ENV{'snapshot_id3'}=`ssh nzdl\@puka.cs.waikato.ac.nz cat /greenstone/greenstone.org/base/next-release-greenstone3.txt`;
    chomp($ENV{'snapshot_id3'});

    #change the filenames to have the date in them
    $ENV{'munges'} = "s/$ENV{'snapshot_id2'}/$ENV{'snapshot_id2'}-candidate-" . get_date() . "/g ";
    $ENV{'munges'} .= "s/$ENV{'snapshot_id3'}/$ENV{'snapshot_id3'}-candidate-" . get_date() . "/g";

    #set the path to server.exe
    $ENV{'SERVER_EXE_LOCATION'} = "http://www.greenstone.org/caveat-emptor/server-$ENV{'snapshot_id2'}-candidate-" . get_date() . ".exe";

} else {
    if ( $ENV{'TASK_NAME'} =~ "stable\$" ) {
        $ENV{'BRANCH_PATH'}="stable";

        #dont proceed if main/stable is old
        #get last changed date from svn
        open( INFO, "svn info http://svn.greenstone.org/main/stable|" )
            or die "Cant determine age of stable tag";
        my $changed_date;
        while ( my $line = <INFO>) {
            chomp($line);
            if ( $line =~ /^Last Changed Date:/ ) {
                $changed_date = $line;
                break;
            }
        }
        close(INFO);
        #change the format
        $changed_date =~ s/.*: ([^ ]+) .*/\1/g;
        if ( $changed_date !~ /^20[0-9]{2}-[0-9]{2}-[0-9]{2}$/ ) {
            die "Cant determine age of stable tag";
        }
        $changed_date =~ s/-/./g;
        #check if main/stable is new
        if ( $changed_date ne get_date() ) {
            print "main/stable is old, will not create snapshot\n";
            exit;
        } else {
            print "main/stable is fresh, will create snapshot\n";
        }
    }
    $ENV{'UPLOAD_DIR'}="nzdl\@puka.cs.waikato.ac.nz:/greenstone/greenstone.org/base/release-snapshots";

    #set the path to server.exe
    $ENV{'SERVER_EXE_LOCATION'} = "http://www.greenstone.org/release-snapshots/server-\$\\\{version\\\}.exe";
}

#always rename the log not to clash with other files on puka
$ENV{'munges'} = $ENV{'munges'} . " s/\.out/-" . get_date() . "-log.txt/";



#choose a snapshot ID
if ( exists $ENV{'snapshot_id2'} && $major_version == 2 ) {
    $snapshot_id = $ENV{'snapshot_id2'};
} elsif ( exists $ENV{'snapshot_id3'} && $major_version == 3 ) {
    $snapshot_id = $ENV{'snapshot_id3'};
} else {
    $snapshot_id = gen_snapshot_id($prefix);
}

#set a release directory
$release_dir = "$ENV{'DATA_DIR'}/$ENV{'TASK_NAME'}/from-" . get_date();

print "creating a snapshot release\n";
print "release id : $snapshot_id\n";
print "release dir: $release_dir\n";

if ( $action eq "create" ) {
    create();
} elsif ( $action eq "upload" ) {
    upload();
} elsif ( $action eq "all" || !$action ) {
    create();
    upload();
} else {
    die "bad snapshot action\n";
}