chore: allow passing replaces or packages (#20)

* allow passing replaces or packages

Signed-off-by: hectorj2f <[email protected]>

* Update cmd/gobump/root.go

Co-authored-by: Dan Luhring <[email protected]>
Signed-off-by: Hector Fernandez <[email protected]>

---------

Signed-off-by: hectorj2f <[email protected]>
Signed-off-by: Hector Fernandez <[email protected]>
Co-authored-by: Dan Luhring <[email protected]>

Author: hectorj2f

cmd/gobump/root.go

@@ -29,8 +29,8 @@ var rootCmd = &cobra.Command{
 	// Uncomment the following line if your bare application
 	// has an action associated with it:
 	RunE: func(cmd *cobra.Command, args []string) error {
-		if rootFlags.packages == "" {
-			return fmt.Errorf("Error: No packages provided. Usage: gobump --packages=\"<package1@version> <package2@version> ...\"")
+		if rootFlags.packages == "" && rootFlags.replaces == "" {
+			return fmt.Errorf("Error: No packages or replaces provided. Usage: gobump --packages=\"<package1@version> <package2@version> ...\" --replaces=\"<package3=package4@version> ...\"")
 		}
 		packages := strings.Split(rootFlags.packages, " ")
 		pkgVersions := map[string]*types.Package{}