fix: call git remote set-branches when running with a different branch from previous run (#386)

Author: sapphi-red

utils.ts

@@ -130,11 +130,16 @@ export async function setupRepo(options: RepoOptions) {
 		} catch {
 			// when not a git repo
 		}
+		if (repo === currentClonedRepo) {
+			const isShallow =
+				(await $`git rev-parse --is-shallow-repository`).trim() === 'true'
+			if (isShallow === shallow) {
+				needClone = false
+			}
+		}
 		cd(_cwd)
 
-		if (repo === currentClonedRepo) {
-			needClone = false
-		} else {
+		if (needClone) {
 			fs.rmSync(dir, { recursive: true, force: true })
 		}
 	}
@@ -146,6 +151,9 @@ export async function setupRepo(options: RepoOptions) {
 	}
 	cd(dir)
 	await $`git clean -fdxq`
+	if (!needClone && shallow && !commit) {
+		await $`git remote set-branches origin ${branch}`
+	}
 	await $`git fetch ${shallow ? '--depth=1 --no-tags' : '--tags'} origin ${
 		tag ? `tag ${tag}` : `${commit || branch}`
 	}`