internal/pkg: rename measured exec type

This type is no longer exclusive to KindExecNet.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pkg/exec.go

@@ -162,9 +162,9 @@ type execArtifact struct {
 
 var _ fmt.Stringer = new(execArtifact)
 
-// execNetArtifact is like execArtifact but implements [KnownChecksum] and has
-// its resulting container keep the host net namespace.
-type execNetArtifact struct {
+// execMeasuredArtifact is like execArtifact but implements [KnownChecksum] and
+// has its resulting container optionally keep the host net namespace.
+type execMeasuredArtifact struct {
 	checksum Checksum
 
 	// Whether to keep host net namespace.
@@ -173,13 +173,13 @@ type execNetArtifact struct {
 	execArtifact
 }
 
-var _ KnownChecksum = new(execNetArtifact)
+var _ KnownChecksum = new(execMeasuredArtifact)
 
 // Checksum returns the caller-supplied checksum.
-func (a *execNetArtifact) Checksum() Checksum { return a.checksum }
+func (a *execMeasuredArtifact) Checksum() Checksum { return a.checksum }
 
 // Kind returns [KindExecNet], or [KindExec] if hostNet is false.
-func (a *execNetArtifact) Kind() Kind {
+func (a *execMeasuredArtifact) Kind() Kind {
 	if a == nil || a.hostNet {
 		return KindExecNet
 	}
@@ -187,8 +187,8 @@ func (a *execNetArtifact) Kind() Kind {
 }
 
 // Cure cures the [Artifact] in the container described by the caller. The
-// container retains host networking.
-func (a *execNetArtifact) Cure(f *FContext) error {
+// container optionally retains host networking.
+func (a *execMeasuredArtifact) Cure(f *FContext) error {
 	return a.cure(f, a.hostNet)
 }
 
@@ -251,7 +251,7 @@ func NewExec(
 		}
 		return &a
 	}
-	return &execNetArtifact{*checksum, hostNet, a}
+	return &execMeasuredArtifact{*checksum, hostNet, a}
 }
 
 // Kind returns the hardcoded [Kind] constant.
@@ -598,7 +598,7 @@ func (c *Cache) EnterExec(
 	case *execArtifact:
 		e = f
 
-	case *execNetArtifact:
+	case *execMeasuredArtifact:
 		e = &f.execArtifact
 		hostNet = f.hostNet