fix crash when 0 results returned

config.example.yml

@@ -1,5 +1,5 @@
 # Required
 github_username: "tillson"
 github_password: "a8ueifjq4jkasdfoiulk"
-# Optional
-github_totp_seed: "ABCDEF1234567890" # Obtained via https://github.com/settings/two_factor_authentication/verify
+# Optional (comment out if not using)
+# github_totp_seed: "ABCDEF1234567890" # Obtained via https://github.com/settings/two_factor_authentication/verify

internal/app/github.go

@@ -58,6 +58,9 @@ func LoginToGitHub(credentials GitHubCredentials) (httpClient *http.Client, err
 	// fmt.Println(resp.StatusCode)
 	data, err := ioutil.ReadAll(resp.Body)
 	dataStr := string(data)
+	if strings.Index(dataStr, "Incorrect username or password.") > -1 {
+		return nil, fmt.Errorf("Incorrect username or password.") 
+	}
 	if strings.Index(dataStr, "name=\"otp\"") > -1 {
 		csrf, err = GrabCSRFTokenBody(dataStr)
 		if err != nil {
@@ -81,7 +84,6 @@ func LoginToGitHub(credentials GitHubCredentials) (httpClient *http.Client, err
 			})
 			data, err = ioutil.ReadAll(resp.Body)
 		}
-		// fmt.Println(string(data))
 	}
 
 	return &client, err

internal/app/search.go

@@ -142,14 +142,17 @@ func SearchGitHub(query string, options SearchOptions, client *http.Client, resu
 
 				resultRegex := regexp.MustCompile("href=\"\\/((.*)\\/blob\\/([0-9a-f]{40}\\/([^#\"]+)))\">")
 				matches := resultRegex.FindAllStringSubmatch(responseStr, -1)
-
 				if page == 0 {
 					if len(matches) == 0 {
 						resultRegex = regexp.MustCompile("(?s)react-app\\.embeddedData\">(.*)<\\/script>")
 						match := resultRegex.FindStringSubmatch(responseStr)
 						// fmt.Println(smatch)
 						var resultPayload NewSearchPayload
 						// fmt.Println(match[1])
+						if len(match) == 0 {
+							page++
+							continue
+						}
 						json.Unmarshal([]byte(match[1]), &resultPayload)
 						if !GetFlags().ResultsOnly && !GetFlags().JsonOutput {
 							if pages != resultPayload.Payload.PageCount {