fix(gitea-api): authorize for issues in private repositories / organizations

This also fixes an issue with the taskwarrior filters to not overwrite
existing other tasks from other repositories.

internal/gitea/repository.go

@@ -2,6 +2,7 @@ package gitea
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 )
@@ -22,11 +23,20 @@ func NewRepository(name, owner string) (repo Repository) {
 
 func (gitea *Gitea) VerifyRepository(repository Repository) (Repository, error) {
 	url := fmt.Sprintf("%s/repos/%s", gitea.Url(), repository.Full_name)
-	response, err := http.Get(url)
+	client := &http.Client{}
+	request, err := http.NewRequest(http.MethodGet, url, nil)
+	request.SetBasicAuth(gitea.User_name, gitea.Access_code)
+	if err != nil {
+		return repository, err
+	}
+	response, err := client.Do(request)
 	if err != nil {
 		return repository, err
 	}
 	defer response.Body.Close()
+	if response.StatusCode != 200 {
+		return repository, errors.New(fmt.Sprintf("\tCould not verify repository with returned status: %s\n", response.Status))
+	}
 	var data map[string]interface{}
 	decoder := json.NewDecoder(response.Body)
 	if err = decoder.Decode(&data); err != nil {