fix: Use SliceVar to allow comma sep in CLI flags

cmd/sshare/sshare.go

@@ -137,8 +137,8 @@ func init() {
 	rootCmd.Flags().StringVarP(&sshAgentPath, "agent", "a", sshAgentPath, "path to the target ssh agent socket ($SSH_AUTH_SOCK)")
 	rootCmd.Flags().StringVarP(&sshAgentPass, "passphrase", "p", sshAgentPass, "passphrase for the ssh agent")
 	rootCmd.Flags().StringVarP(&githubToken, "github-token", "g", githubToken, "github token with permission to read ssh keys")
-	rootCmd.Flags().StringArrayVarP(&keyFilepaths, "key-file", "f", keyFilepaths, "additional key file(s) to include in the generated authorized_keys")
-	rootCmd.Flags().StringArrayVarP(&rawKeys, "key", "k", rawKeys, "additional keys to include in the generated authorized_keys")
+	rootCmd.Flags().StringSliceVarP(&keyFilepaths, "key-file", "f", keyFilepaths, "additional key file(s) to include in the generated authorized_keys")
+	rootCmd.Flags().StringSliceVarP(&rawKeys, "key", "k", rawKeys, "additional keys to include in the generated authorized_keys")
 	rootCmd.Flags().IntVarP(&transferDownloads, "max-downloads", "m", 10, "maximum number of times any content shared can be downloaded")
 	rootCmd.Flags().IntVarP(&transferDays, "max-days", "d", 2, "number of days that the content will remain available via transfer.sh")
 	rootCmd.AddCommand(deleteCmd)