builder/amazon: set force_deregister to true on -force

builder/amazon/chroot/builder.go

@@ -78,6 +78,10 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		return nil, err
 	}
 
+	if b.config.PackerConfig.PackerForce {
+		b.config.AMIForceDeregister = true
+	}
+
 	// Defaults
 	if b.config.ChrootMounts == nil {
 		b.config.ChrootMounts = make([][]string, 0)

builder/amazon/ebs/builder.go

@@ -58,6 +58,10 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		return nil, err
 	}
 
+	if b.config.PackerConfig.PackerForce {
+		b.config.AMIForceDeregister = true
+	}
+
 	// Accumulate any errors
 	var errs *packer.MultiError
 	errs = packer.MultiErrorAppend(errs, b.config.AccessConfig.Prepare(&b.config.ctx)...)

builder/amazon/ebssurrogate/builder.go

@@ -58,6 +58,10 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		return nil, err
 	}
 
+	if b.config.PackerConfig.PackerForce {
+		b.config.AMIForceDeregister = true
+	}
+
 	// Accumulate any errors
 	var errs *packer.MultiError
 	errs = packer.MultiErrorAppend(errs, b.config.AccessConfig.Prepare(&b.config.ctx)...)

builder/amazon/instance/builder.go

@@ -77,6 +77,10 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		return nil, err
 	}
 
+	if b.config.PackerConfig.PackerForce {
+		b.config.AMIForceDeregister = true
+	}
+
 	if b.config.BundleDestination == "" {
 		b.config.BundleDestination = "/tmp"
 	}