Function gitCheckoutFiles

src/main/lib/git/security/git-commands.ts:88–106

(
	worktreePath: string,
	filePaths: string[],
)

 * avoiding multiple sequential git calls and lock conflicts.
 */
export async function gitCheckoutFiles(
	worktreePath: string,
	filePaths: string[],
): Promise<void> {
	assertRegisteredWorktree(worktreePath);
	for (const filePath of filePaths) {
		assertValidGitPath(filePath);
	}

	if (filePaths.length === 0) return;

	const git = createGit(worktreePath);

	// Process in batches to avoid command line length limits
	for (let i = 0; i < filePaths.length; i += BATCH_SIZE) {
		const batch = filePaths.slice(i, i + BATCH_SIZE);
		await withLockRetry(worktreePath, () => git.checkout(["--", ...batch]));
	}
}

/**
 * Stage a file for commit.