fix: prefer upstream over origin when getting remote

Fixes #363

lib/util/git.js

@@ -19,9 +19,9 @@ const tryGit = async (path, ...args) => {
 
 // parse a repo from a git origin into a format
 // for a package.json#repository object
-const getUrl = async (path) => {
+const getRemoteUrl = async (path, remote) => {
   try {
-    const urlStr = await tryGit(path, 'remote', 'get-url', 'origin')
+    const urlStr = await tryGit(path, 'remote', 'get-url', remote)
     const { domain, user, project } = hgi.fromUrl(urlStr)
     const url = new URL(`https://${domain}`)
     url.pathname = `/${user}/${project}.git`
@@ -31,6 +31,10 @@ const getUrl = async (path) => {
   }
 }
 
+const getUrl = async (path) => {
+  return (await getRemoteUrl(path, 'upstream')) ?? (await getRemoteUrl(path, 'origin'))
+}
+
 const getBranches = async (path, branchPatterns) => {
   let matchingBranches = new Set()
   let matchingPatterns = new Set()