enable output path to be set

changelog/changelog.go

@@ -48,6 +48,7 @@ type Config struct {
 	Cleanup      bool
 	Branch       string
 	ReleaseTime  time.Time
+	OutputPath   string
 }
 
 func (c *Config) Repo() (*git.Repository, error) {

cmd/release/main.go

@@ -18,6 +18,7 @@ func parseArgs(args []string) (*changelog.Config, error) {
 	flags.StringVar(&c.ChangesDir, "changelog-dir", "changelog", "Path to the directory containing changelog fragments for each commit")
 	flags.StringVar(&c.Tag, "tag", "", "New release tag (must already exist in repo)")
 	flags.StringVar(&c.PreviousPath, "prev", "CHANGELOG.md", "Path to current changelog in the repo. This will be pulled from HEAD")
+	flags.StringVar(&c.OutputPath, "output", "", "Path to file where merged output will be written (relative to the -repo flag). Defaults to the value of the -prev flag")
 	flags.BoolVar(&c.Cleanup, "cleanup", false, "Remove the changelog fragment files after generating the changelog")
 	flags.Parse(args)
 	if c.RepoPath == "" {
@@ -33,6 +34,9 @@ func parseArgs(args []string) (*changelog.Config, error) {
 	if c.PreviousPath == "" {
 		return c, fmt.Errorf("prev is required")
 	}
+	if c.OutputPath == "" {
+		c.OutputPath = c.PreviousPath
+	}
 	return c, nil
 }
 
@@ -45,7 +49,7 @@ func Run(ctx context.Context, args []string) error {
 	if err != nil {
 		return err
 	}
-	clPath := path.Join(cfg.RepoPath, cfg.PreviousPath)
+	clPath := path.Join(cfg.RepoPath, cfg.OutputPath)
 	if err := os.WriteFile(clPath, []byte(out), 0644); err != nil {
 		return err
 	}