feat: Configurable --output flag (#6)

Author: kevinmichaelchen

internal/cli/cli.go

@@ -24,6 +24,7 @@ var (
 	debug              bool
 	dryRun             bool
 	desiredDefinitions []string
+	output             string
 )
 
 func init() {
@@ -34,6 +35,7 @@ func init() {
 	rootCmd.PersistentFlags().BoolVarP(&dryRun, "dry-run", "", false, "dry run")
 
 	pick.Flags().StringSliceVarP(&desiredDefinitions, "definitions", "d", []string{}, "definitions from the SDL you want to pick/keep")
+	pick.Flags().StringVarP(&output, "output", "o", "", "where the resulting schema/SDL file is written")
 }
 
 func Main() {

internal/cli/print.go

@@ -12,8 +12,7 @@ func printSDL(doc *ast.Document) {
 	log.Infof("Printing new SDL to file with %d definitions", len(doc.Definitions))
 
 	// Create a new file where we'll write the new SDL
-	// TODO make configurable
-	f, err := os.Create("output.sdl.graphqls")
+	f, err := os.Create(output)
 	if err != nil {
 		log.Fatal("unable to create new SDL file for writing", "err", err)
 	}