ensure files in docs/ take precedence

main.go

@@ -85,8 +85,42 @@ func main() {
 
 		if len(path) == 0 {
 			path = "docs/index.html"
+			goto skip_override
 		}
 
+		{
+			body, status, err := ApiGet(FormatEndpoint("/repos/%s/%s/contents/docs", user, repo))
+			if err != nil {
+				log.Printf("failed to fetch docs directory in %s:%s", user, repo)
+				goto skip_override
+			}
+
+			if status != http.StatusOK {
+				goto skip_override
+			}
+
+			var ents []struct {
+				Name string `json:"name"`
+				Path string `json:"path"`
+				Type string `json:"type"`
+			}
+
+			if err := json.Unmarshal(body, &ents); err != nil {
+				log.Printf("failed to fetch contents of docs directory in %s:%s - %s", user, repo, err)
+			}
+
+			for _, ent := range ents {
+				if ent.Type != "file" {
+					continue
+				}
+
+				if ent.Name == path {
+					path = ent.Path
+					break
+				}
+			}
+		}
+	skip_override:
 		log.Printf("fetching file content %s:%s - %q", user, repo, path)
 
 		content, err := FetchFile(user, repo, path)
@@ -119,7 +153,7 @@ func FetchFile(user, repo, path string) ([]byte, error) {
 	}
 
 	if status != http.StatusOK {
-		return nil, fmt.Errorf("response had unexpected status %d - %s", status, string(body))
+		return nil, fmt.Errorf("unexpected response %d - %s", status, string(body))
 	}
 
 	var response struct {
@@ -155,6 +189,7 @@ func ApiGet(endpoint string) ([]byte, int, error) {
 
 	var client http.Client
 	log.Printf("GET %q", endpoint)
+
 	res, err := client.Do(req)
 	if err != nil {
 		return nil, -1, err