Merge pull request #29793 from hashicorp/alisdair/fix-remote-backend-…

…migrate-version-check

backend/remote: Fix version check when migrating

internal/command/meta_backend_migrate.go

@@ -77,13 +77,26 @@ func (m *Meta) backendMigrateState(opts *backendMigrateOpts) error {
 	// as we are migrating away and will not break a remote workspace.
 	m.ignoreRemoteBackendVersionConflict(opts.Source)
 
-	for _, workspace := range destinationWorkspaces {
+	// Disregard remote Terraform version if instructed to do so via CLI flag.
+	if m.ignoreRemoteVersion {
+		m.ignoreRemoteBackendVersionConflict(opts.Destination)
+	} else {
 		// Check the remote Terraform version for the state destination backend. If
 		// it's a Terraform Cloud remote backend, we want to ensure that we don't
 		// break the workspace by uploading an incompatible state file.
-		diags := m.remoteBackendVersionCheck(opts.Destination, workspace)
-		if diags.HasErrors() {
-			return diags.Err()
+		for _, workspace := range destinationWorkspaces {
+			diags := m.remoteBackendVersionCheck(opts.Destination, workspace)
+			if diags.HasErrors() {
+				return diags.Err()
+			}
+		}
+		// If there are no specified destination workspaces, perform a remote
+		// backend version check with the default workspace.
+		if len(destinationWorkspaces) == 0 {
+			diags := m.remoteBackendVersionCheck(opts.Destination, backend.DefaultStateName)
+			if diags.HasErrors() {
+				return diags.Err()
+			}
 		}
 	}