public static PackerTemplate Combine(PackerTemplate current, PackerTemplate extraData)
{
if (extraData.Variables != null)
{
MergeVariables(current, extraData);
}
if (extraData.Builders != null)
{
MergeBuilders(current, extraData);
}
if (extraData.Provisioners != null)
{
MergeProvisioners(current, extraData);
}
if (extraData.Postprocessors != null)
{
MergePostprocessors(current, extraData);
}
return(current);
}
public static PackerTemplate ReadFrom(string file)
{
var template = new PackerTemplate();
dynamic jsonData = JObject.Parse(File.ReadAllText(file));
template.Variables = jsonData.variables;
template.Builders = jsonData.builders;
template.Provisioners = jsonData.provisioners;
return template;
}
public static PackerTemplate ReadFrom(string file)
{
var template = new PackerTemplate();
dynamic jsonData = JObject.Parse(File.ReadAllText(file));
template.Variables = jsonData.variables;
template.Builders = jsonData.builders;
template.Provisioners = jsonData.provisioners;
template.Postprocessors = jsonData.postprocessors;
return(template);
}
static void Main(string[] args)
{
var parameters = new Parameters();
parameters.Process(args);
var input = parameters.InputFiles.Select(i => PackerTemplate.ReadFrom(i));
var combinator = new PackerTemplateCombinator(input);
combinator.Combine();
var result = combinator.Output;
result.SaveTo(parameters.OutputFile);
}
private static void MergeVariables(PackerTemplate current, PackerTemplate extraData)
{
if (current.Variables == null)
{
current.Variables = extraData.Variables.DeepClone();
}
else
{
foreach (var variable in extraData.Variables)
{
current.Variables.Add(variable);
}
}
}
private static void MergeProvisioners(PackerTemplate current, PackerTemplate extraData)
{
if (current.Provisioners == null)
{
current.Provisioners = extraData.Provisioners.DeepClone();
}
else
{
foreach (var provisioner in extraData.Provisioners)
{
current.Provisioners.Add(provisioner);
}
}
}
private static void MergeBuilders(PackerTemplate current, PackerTemplate extraData)
{
if (current.Builders == null)
{
current.Builders = extraData.Builders.DeepClone();
}
else
{
foreach (var builder in extraData.Builders)
{
current.Builders.Add(builder);
}
}
}
private static void MergeVariables(PackerTemplate current, PackerTemplate extraData)
{
if (current.Variables == null)
{
current.Variables = extraData.Variables.DeepClone();
}
else
{
foreach (var variable in extraData.Variables)
{
current.Variables.Add(variable);
}
}
}
private static void MergePostprocessors(PackerTemplate current, PackerTemplate extraData)
{
if (current.Postprocessors == null)
{
current.Postprocessors = extraData.Postprocessors.DeepClone();
}
else
{
foreach (var postProcessor in extraData.Postprocessors)
{
current.Provisioners.Add(postProcessor);
}
}
}
public static PackerTemplate Combine(PackerTemplate current, PackerTemplate extraData)
{
if (extraData.Variables != null)
{
MergeVariables(current, extraData);
}
if (extraData.Builders != null)
{
MergeBuilders(current, extraData);
}
if (extraData.Provisioners != null)
{
MergeProvisioners(current, extraData);
}
return current;
}
private static void MergeBuilders(PackerTemplate current, PackerTemplate extraData)
{
if (current.Builders == null)
{
current.Builders = extraData.Builders.DeepClone();
}
else
{
foreach (var builderRight in extraData.Builders)
{
var type = builderRight.type;
foreach (var builderLeft in current.Builders)
{
var typeLeft = builderLeft.type;
if (type == typeLeft)
{
MergeInto(builderLeft, builderRight);
}
}
}
}
}
public PackerTemplateCombinator(IEnumerable <PackerTemplate> input)
{
_input = input.ToArray();
_output = new PackerTemplate();
}