fetch with optional --relay flags.

fetch.go

@@ -10,11 +10,19 @@ import (
 )
 
 var fetch = &cli.Command{
-	Name:        "fetch",
-	Usage:       "fetches events related to the given nip19 code from the included relay hints",
-	Description: ``,
-	Flags:       []cli.Flag{},
-	ArgsUsage:   "[nip19code]",
+	Name:  "fetch",
+	Usage: "fetches events related to the given nip19 code from the included relay hints",
+	Description: `example usage:
+        nak fetch nevent1qqsxrwm0hd3s3fddh4jc2574z3xzufq6qwuyz2rvv3n087zvym3dpaqprpmhxue69uhhqatzd35kxtnjv4kxz7tfdenju6t0xpnej4
+        echo npub1h8spmtw9m2huyv6v2j2qd5zv956z2zdugl6mgx02f2upffwpm3nqv0j4ps | nak fetch --relay wss://relay.nostr.band`,
+	Flags: []cli.Flag{
+		&cli.StringSliceFlag{
+			Name:    "relay",
+			Aliases: []string{"r"},
+			Usage:   "also use these relays to fetch from",
+		},
+	},
+	ArgsUsage: "[nip19code]",
 	Action: func(c *cli.Context) error {
 		filter := nostr.Filter{}
 		code := getStdinOrFirstArgument(c)
@@ -24,7 +32,10 @@ var fetch = &cli.Command{
 			return err
 		}
 
-		var relays []string
+		relays := c.StringSlice("relay")
+		if err := validateRelayURLs(relays); err != nil {
+			return err
+		}
 		var authorHint string
 
 		switch prefix {