Get a branch

type Bitbucket = {

  username: string;

  password: string;

};

/**

 * Get a branch

 * Returns a branch object within the specified repository.

This call requires authentication. Private repositories require the

caller to authenticate with an account that has appropriate

authorization.

For Git, the branch name should not include any prefixes (e.g.

refs/heads).

 */

export async function main(

  auth: Bitbucket,

  name: string,

  repo_slug: string,

  workspace: string

) {

  const url = new URL(

    `https://api.bitbucket.org/2.0/repositories/${workspace}/${repo_slug}/refs/branches/${name}`

  );

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Basic " + btoa(`${auth.username}:${auth.password}`),

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}