Allow referencing aspect models from multiple repositories. Add for cli

Author: Yauhenikapl

tools/samm-cli/src/main/java/org/eclipse/esmf/AbstractInputHandler.java

@@ -90,7 +90,7 @@ protected List<ResolutionStrategy> configuredStrategies() {
    }
 
    private Optional<GithubModelSourceConfig> buildGithubModelSourceConfig(
-         final ResolverConfigurationMixin.GitHubResolverOptions options, final String gitHubToken ) {
+         final ResolverConfigurationMixin.GitHubResolverOptions options, final String globalGitHubToken ) {
       if ( options.gitHubName == null ) {
          return Optional.empty();
       }
@@ -104,7 +104,7 @@ private Optional<GithubModelSourceConfig> buildGithubModelSourceConfig(
       return Optional.of( GithubModelSourceConfigBuilder.builder()
             .repository( repository )
             .directory( options.gitHubDirectory )
-            .token( gitHubToken )
+            .token( options.token != null ? globalGitHubToken : options.token )
             .build() );
    }
 

tools/samm-cli/src/main/java/org/eclipse/esmf/ResolverConfigurationMixin.java

@@ -62,6 +62,12 @@ public static class GitHubResolverOptions {
             description = "Set the GitHub tag"
       )
       public String gitHubTag = null;
+
+      @CommandLine.Option(
+            names = { "--token", "-gt" },
+            description = "Set the GitHub token for the specific repository"
+      )
+      public String token = null;
    }
 
    // This option is intentionally outside the GitHubResolverOptions argument group so it can be used when resolving Aspect Models