Support tags and commits again (download-directory#136)

Author: fregante

authenticated-fetch.ts

@@ -1,10 +1,12 @@
 export default async function authenticatedFetch(
 	url: string,
-	{signal}: {signal?: AbortSignal} = {},
+	{signal, method}: {signal?: AbortSignal; method?: 'HEAD'} = {},
 ): Promise<Response> {
 	const token = globalThis.localStorage?.getItem('token');
 
 	const response = await fetch(url, {
+		method,
+		signal,
 		...(token
 			? {
 				headers: {
@@ -13,7 +15,6 @@ export default async function authenticatedFetch(
 				},
 			}
 			: {}),
-		signal,
 	});
 
 	switch (response.status) {

repository-info.ts

@@ -100,7 +100,7 @@ export default async function getRepositoryInfo(
 }
 
 async function checkBranchExists(user: string, repo: string, gitReference: string): Promise<boolean> {
-	const apiUrl = `https://api.github.com/repos/${user}/${repo}/branches/${gitReference}`;
-	const response = await authenticatedFetch(apiUrl);
+	const apiUrl = `https://api.github.com/repos/${user}/${repo}/commits/${gitReference}?per_page=1`;
+	const response = await authenticatedFetch(apiUrl, {method: 'HEAD'});
 	return response.ok;
 }