Function getFileContent

actions/setup/js/github_api_helpers.cjs:69–101

* Get file content from GitHub repository using the API * @param {Object} github - GitHub API client (@actions/github) * @param {string} owner - Repository owner * @param {string} repo - Repository name * @param {string} path - File path within the repository * @param {string} ref - Git referen

(github, owner, repo, path, ref)

 * @returns {Promise<{content: string|null, errorStatus: number|null}>} File content and HTTP error status (if any)
 */
async function getFileContent(github, owner, repo, path, ref) {
  try {
    const response = await github.rest.repos.getContent({
      owner,
      repo,
      path,
      ref,
    });

    // Handle case where response is an array (directory listing)
    if (Array.isArray(response.data)) {
      core.info(`Path ${path} is a directory, not a file`);
      return { content: null, errorStatus: null };
    }

    // Check if this is a file (not a symlink or submodule)
    if (response.data.type !== "file") {
      core.info(`Path ${path} is not a file (type: ${response.data.type})`);
      return { content: null, errorStatus: null };
    }

    // Decode base64 content
    if (response.data.encoding === "base64" && response.data.content) {
      return { content: Buffer.from(response.data.content, "base64").toString("utf8"), errorStatus: null };
    }

    return { content: response.data.content || null, errorStatus: null };
  } catch (error) {
    const errorMessage = getErrorMessage(error);
    core.info(`Could not fetch content for ${path}: ${errorMessage}`);
    return { content: null, errorStatus: error.status ?? null };
  }
}

/**
 * Fetches all labels from a repository, paginating through all pages.