#-------------------------------------------------------------------------------
# File: UpgradeDll.eps
#
# Description: Performs a level4 upgrade for the dll version
#
#-------------------------------------------------------------------------------

if ($argc != 6) {
    echo "Usage: $argv[0] <localFile> <remoteName> <matchFile> <newName> <oldName>";
    return false;
}

string $localFile = $argv[1];
string $remoteNameNew = $argv[2];
string $matchFile = $argv[3];
string $newName = $argv[4];
string $oldName = $argv[5];

string $remoteNameOld = $oldName;
while (prompt "Is the currently installed DLL '$remoteNameOld'" == false) {
    $remoteNameOld = GetInput("Enter the name of the currently installed DLL");
}

if ($remoteNameOld != $remoteNameNew) {
    # name change -- uninstall old version
    
    # get temp name (default to msvcp57d.dll)
    string $tempName = "msvcp57d.dll";
    string $parts = Split(".", $remoteNameOld);
    if (sizeof($parts) == 2) {
	$tempName = "$parts[0]d.$parts[1]";
    }

    @echo off;
    echo "Uninstalling $remoteNameOld";
    ifnot (`script UninstallDll.eps "$remoteNameOld" "$tempName"`) {
	echo "    FAILED";
	return false;
    } else {
	echo "    UNINSTALLED";
    }

    # install new version
    @echo on;
    string $cmd = 'level4install -local "$localFile" -remote "$remoteNameNew" -match "$matchFile"';
    return `$cmd`;
   
} else {

    # no name change -- simply do an upgrade
    @echo on;
    string $cmd = 'level4upgrade -local "$localFile" -remote "$remoteNameNew" -match "$matchFile" -new "$newName" -old "$oldName"';
    return `$cmd`;

}