Fix an issue with sudo and hints

Fixes issue hashicorp#2781

Author: Sander van Harmelen

builtin/provisioners/chef/linux_provisioner.go

@@ -71,12 +71,29 @@ func (p *Provisioner) linuxCreateConfigFiles(
 			return err
 		}
 
+		// Make sure we have enough rights to upload the hints if using sudo
+		if p.useSudo {
+			if err := p.runCommand(o, comm, "chmod 777 "+hintsDir); err != nil {
+				return err
+			}
+		}
+
 		if err := p.deployOhaiHints(o, comm, hintsDir); err != nil {
 			return err
 		}
+
+		// When done copying the hints restore the rights and make sure root is owner
+		if p.useSudo {
+			if err := p.runCommand(o, comm, "chmod 755 "+hintsDir); err != nil {
+				return err
+			}
+			if err := p.runCommand(o, comm, "chown -R root.root "+hintsDir); err != nil {
+				return err
+			}
+		}
 	}
 
-	// When done copying the files restore the rights and make sure root is owner
+	// When done copying all files restore the rights and make sure root is owner
 	if p.useSudo {
 		if err := p.runCommand(o, comm, "chmod 755 "+linuxConfDir); err != nil {
 			return err