Method writeFile

storage/github/github.go:133–172

writeFile commits the contents to the Git repo at the given filename & revision. If the Git repo does not yet have a file at this filename, it will create the file. Otherwise, it will simply update the file with the new contents.

(filename string, sha string, contents []byte)

// If the Git repo does not yet have a file at this filename, it will create the file.
// Otherwise, it will simply update the file with the new contents.
func (gh *Storage) writeFile(filename string, sha string, contents []byte) error {
	if err := gh.ensureClient(); err != nil {
		return err
	}

	var err error
	var writeFunc func(context.Context, string, string, string, *github.RepositoryContentFileOptions) (*github.RepositoryContentResponse, *github.Response, error)
	opts := &github.RepositoryContentFileOptions{
		Message: github.String(fmt.Sprintf("[checkup] store %s [ci skip]", gh.fullPathName(filename))),
		Content: contents,
		Committer: &github.CommitAuthor{
			Name:  &gh.CommitterName,
			Email: &gh.CommitterEmail,
		},
	}

	if gh.Branch != "" {
		opts.Branch = &gh.Branch
	}

	// If no SHA specified, then create the file.
	// Otherwise, update the file at the specified SHA.
	if sha == "" {
		writeFunc = gh.client.Repositories.CreateFile
		log.Printf("github: creating %s on branch '%s'", gh.fullPathName(filename), gh.Branch)
	} else {
		opts.SHA = github.String(sha)
		writeFunc = gh.client.Repositories.UpdateFile
		log.Printf("github: updating %s on branch '%s'", gh.fullPathName(filename), gh.Branch)
	}

	_, _, err = writeFunc(
		context.Background(),
		gh.RepositoryOwner,
		gh.RepositoryName,
		gh.fullPathName(filename),
		opts,
	)
	return err
}

// deleteFile deletes a file from a Git tree and returns any applicable errors.
// If an empty SHA is passed as an argument, errFileNotFound is returned.