terraform.patch

diff --git a/pkg/terraform/configs/configload/loader_snapshot.go b/pkg/terraform/configs/configload/loader_snapshot.go
index 243939f..6ca8b4f 100644
--- a/pkg/terraform/configs/configload/loader_snapshot.go
+++ b/pkg/terraform/configs/configload/loader_snapshot.go
@@ -325,6 +325,10 @@ func (fs snapshotFS) Chmod(name string, mode os.FileMode) error {
 	return fmt.Errorf("cannot set file mode inside configuration snapshot")
 }
 
+func (fs snapshotFS) Chown(string, int, int) error {
+	return fmt.Errorf("cannot set file owner inside configuration snapshot")
+}
+
 func (fs snapshotFS) Chtimes(name string, atime, mtime time.Time) error {
 	return fmt.Errorf("cannot set file times inside configuration snapshot")
 }
diff --git a/pkg/terraform/tfdiags/diagnostics.go b/pkg/terraform/tfdiags/diagnostics.go
index 30476ee..25cd135 100644
--- a/pkg/terraform/tfdiags/diagnostics.go
+++ b/pkg/terraform/tfdiags/diagnostics.go
@@ -107,24 +107,6 @@ func (diags Diagnostics) HasErrors() bool {
 	return false
 }
 
-// ForRPC returns a version of the receiver that has been simplified so that
-// it is friendly to RPC protocols.
-//
-// Currently this means that it can be serialized with encoding/gob and
-// subsequently re-inflated. It may later grow to include other serialization
-// formats.
-//
-// Note that this loses information about the original objects used to
-// construct the diagnostics, so e.g. the errwrap API will not work as
-// expected on an error-wrapped Diagnostics that came from ForRPC.
-func (diags Diagnostics) ForRPC() Diagnostics {
-	ret := make(Diagnostics, len(diags))
-	for i := range diags {
-		ret[i] = makeRPCFriendlyDiag(diags[i])
-	}
-	return ret
-}
-
 // Err flattens a diagnostics list into a single Go error, or to nil
 // if the diagnostics list does not include any error-level diagnostics.
 //
diff --git a/pkg/terraform/tfdiags/rpc_friendly.go b/pkg/terraform/tfdiags/rpc_friendly.go
deleted file mode 100644
index 485063b..0000000
--- a/pkg/terraform/tfdiags/rpc_friendly.go
+++ /dev/null
@@ -1,59 +0,0 @@
-package tfdiags
-
-import (
-	"encoding/gob"
-)
-
-type rpcFriendlyDiag struct {
-	Severity_ Severity
-	Summary_  string
-	Detail_   string
-	Subject_  *SourceRange
-	Context_  *SourceRange
-}
-
-// rpcFriendlyDiag transforms a given diagnostic so that is more friendly to
-// RPC.
-//
-// In particular, it currently returns an object that can be serialized and
-// later re-inflated using gob. This definition may grow to include other
-// serializations later.
-func makeRPCFriendlyDiag(diag Diagnostic) Diagnostic {
-	desc := diag.Description()
-	source := diag.Source()
-	return &rpcFriendlyDiag{
-		Severity_: diag.Severity(),
-		Summary_:  desc.Summary,
-		Detail_:   desc.Detail,
-		Subject_:  source.Subject,
-		Context_:  source.Context,
-	}
-}
-
-func (d *rpcFriendlyDiag) Severity() Severity {
-	return d.Severity_
-}
-
-func (d *rpcFriendlyDiag) Description() Description {
-	return Description{
-		Summary: d.Summary_,
-		Detail:  d.Detail_,
-	}
-}
-
-func (d *rpcFriendlyDiag) Source() Source {
-	return Source{
-		Subject: d.Subject_,
-		Context: d.Context_,
-	}
-}
-
-func (d rpcFriendlyDiag) FromExpr() *FromExpr {
-	// RPC-friendly diagnostics cannot preserve expression information because
-	// expressions themselves are not RPC-friendly.
-	return nil
-}
-
-func init() {
-	gob.Register((*rpcFriendlyDiag)(nil))
-}