fix(config): refactor to fix locator flag setting

cmd/fossa/config.go

@@ -107,28 +107,21 @@ func setDefaultValues(c Config) (Config, error) {
 	// Infer default locator and project from `git`.
 	if len(c.CLI.Locator) == 0 {
 		repo, err := git.PlainOpen(".")
-		if err != nil {
-			return c, errors.New("no revision found in working directory; try running in a git repo or passing a locator")
-		}
-
-		project := c.CLI.Project
-		if len(project) == 0 {
-			origin, err := repo.Remote("origin")
-			if err != nil {
-				return c, err
-			}
-			if origin == nil {
-				return c, errors.New("could not infer project name from either `.fossa.yaml` or `git` remote named `origin`")
+		if err == nil {
+			project := c.CLI.Project
+			if len(project) == 0 {
+				origin, err := repo.Remote("origin")
+				if err == nil && origin != nil {
+					project = origin.Config().URLs[0]
+					c.CLI.Project = project
+				}
 			}
-			project = origin.Config().URLs[0]
-			c.CLI.Project = project
-		}
 
-		revision, err := repo.Head()
-		if err != nil {
-			return c, err
+			revision, err := repo.Head()
+			if err == nil {
+				c.CLI.Locator = "git+" + project + "$" + revision.Hash().String()
+			}
 		}
-		c.CLI.Locator = "git+" + project + "$" + revision.Hash().String()
 	}
 
 	return c, nil

cmd/fossa/main.go

@@ -51,6 +51,7 @@ func main() {
 			Action:  BuildCmd,
 			Flags: []cli.Flag{
 				// Format: `type:path` e.g. `gopackage:github.com/fossas/fossa-cli/cmd/fossa`
+				cli.StringFlag{Name: "locator"},
 				cli.StringFlag{Name: "entry_point, e"},
 				cli.StringFlag{Name: "type, t"},
 				cli.BoolFlag{Name: "install, i", Usage: "run a default build in module directories if they have not been pre-built"},
@@ -125,7 +126,7 @@ func BootstrapCmd(c *cli.Context) error {
 		}
 	}
 
-	// // CLI flags.
+	// CLI flags.
 	installFlag := c.Bool("install")
 	if installFlag {
 		config.CLI.Install = true
@@ -157,6 +158,14 @@ func BootstrapCmd(c *cli.Context) error {
 		config.CLI.APIKey = apiKeyFlag
 	}
 
+	if config.CLI.Locator == "" {
+		log.Logger.Fatal("no revision found in working directory; try running in a git repo or passing a locator")
+	}
+
+	if config.CLI.Project == "" {
+		log.Logger.Fatal("could not infer project name from either `.fossa.yaml` or `git` remote named `origin`")
+	}
+
 	context.config = config
 	return nil
 }