Fix handling of multi path resources (#1458)

* Migrate repo resources to Go SDK

* Enable resources for repos

* Properly handle encoding and closing of the buffer

* Remove outdated comment

* Switch to StdEncoding, as it was originally

* fix casing for linter

* Update licenses

* Handle multiple path components

Author: omgitsads

pkg/github/repository_resource.go

@@ -99,7 +99,15 @@ func RepositoryResourceContentsHandler(getClient GetClientFn, getRawClient raw.G
 			return nil, errors.New("repo is required")
 		}
 
-		path := uriValues.Get("path").String()
+		pathValue := uriValues.Get("path")
+		pathComponents := pathValue.List()
+		var path string
+
+		if len(pathComponents) == 0 {
+			path = pathValue.String()
+		} else {
+			path = strings.Join(pathComponents, "/")
+		}
 
 		opts := &github.RepositoryContentGetOptions{}
 		rawOpts := &raw.ContentOpts{}

pkg/github/repository_resource_test.go

@@ -123,6 +123,33 @@ func Test_repositoryResourceContents(t *testing.T) {
 					URI:      "",
 				}}},
 		},
+		{
+			name: "successful text content fetch (HEAD)",
+			mockedClient: mock.NewMockedHTTPClient(
+				mock.WithRequestMatchHandler(
+					raw.GetRawReposContentsByOwnerByRepoByPath,
+					http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+						w.Header().Set("Content-Type", "text/plain")
+
+						require.Contains(t, r.URL.Path, "pkg/github/actions.go")
+						_, err := w.Write([]byte("package actions\n\nfunc main() {\n    // Sample Go file content\n}\n"))
+						require.NoError(t, err)
+					}),
+				),
+			),
+			uri: "repo://owner/repo/contents/pkg/github/actions.go",
+			handlerFn: func(getClient GetClientFn, getRawClient raw.GetRawClientFn, t translations.TranslationHelperFunc) mcp.ResourceHandler {
+				_, handler := GetRepositoryResourceContent(getClient, getRawClient, t)
+				return handler
+			},
+			expectedResponseType: resourceResponseTypeText,
+			expectedResult: &mcp.ReadResourceResult{
+				Contents: []*mcp.ResourceContents{{
+					Text:     "package actions\n\nfunc main() {\n    // Sample Go file content\n}\n",
+					MIMEType: "text/plain",
+					URI:      "",
+				}}},
+		},
 		{
 			name: "successful text content fetch (branch)",
 			mockedClient: mock.NewMockedHTTPClient(