nu: Add tailscale scp command

tree/.local/nu/tailscale.nu

@@ -33,8 +33,26 @@ def "tailscale peer" [
 
 # SSH to a tailscale peer
 def "tailscale ssh" [
-	hostname?: string
+	hostname: string
 	...ssh_flags: string
 ]: nothing -> any {
 	ssh -o $"HostName (tailscale peer $hostname | get ipv6)" $hostname ...$ssh_flags
 }
+
+# SCP to a tailscale peer
+def "tailscale scp" [
+	from: string
+	to: string
+	...ssh_flags: string
+]: nothing -> any {
+
+	let options = (
+		[$from, $to] | 
+		parse "{hostname}:{path}" |
+		each { |it| $"HostName (tailscale peer $it.hostname | get ipv6)" } |
+		each { |option| ["-o", $option] } |
+		flatten
+	)
+
+	scp ...$options $from $to ...$ssh_flags
+}