Method FetchBranchDiff

coderd/externalauth/gitprovider/github.go:348–385

(
	ctx context.Context,
	token string,
	ref BranchRef,
)

}

func (g *githubProvider) FetchBranchDiff(
	ctx context.Context,
	token string,
	ref BranchRef,
) (string, error) {
	if ref.Owner == "" || ref.Repo == "" || ref.Branch == "" {
		return "", nil
	}

	var repository struct {
		DefaultBranch string `json:"default_branch"`
	}

	repositoryURL := fmt.Sprintf(
		"%s/repos/%s/%s",
		g.apiBaseURL,
		url.PathEscape(ref.Owner),
		url.PathEscape(ref.Repo),
	)
	if err := g.decodeJSON(ctx, repositoryURL, token, &repository); err != nil {
		return "", err
	}
	defaultBranch := strings.TrimSpace(repository.DefaultBranch)
	if defaultBranch == "" {
		return "", xerrors.New("github repository default branch is empty")
	}

	requestURL := fmt.Sprintf(
		"%s/repos/%s/%s/compare/%s...%s",
		g.apiBaseURL,
		url.PathEscape(ref.Owner),
		url.PathEscape(ref.Repo),
		url.PathEscape(defaultBranch),
		url.PathEscape(ref.Branch),
	)

	return g.fetchDiff(ctx, requestURL, token)
}

func (g *githubProvider) decodeJSON(
	ctx context.Context,