Update commands

Signed-off-by: Razieh Behjati <razieh@google.com>

internal/builders/docker/commands.go

@@ -40,7 +40,11 @@ func DryRunCmd(check func(error)) *cobra.Command {
 		Use:   "dry-run [FLAGS]",
 		Short: "Generates and stores a JSON-formatted BuildDefinition based on the input arguments.",
 		Run: func(cmd *cobra.Command, args []string) {
-			// TODO(#1191): Parse the input arguments into an instance of BuildDefinition.
+			config, err := pkg.NewDockerBuildConfig(sourceRepo, gitCommitHash, builderImage, buildConfigPath)
+			check(err)
+			log.Printf("The config is: %v\n", config)
+
+			// TODO(#1191): Create an instance of BuildDefinition from config.
 			bd := &pkg.BuildDefinition{}
 			check(writeBuildDefinitionToFile(*bd, buildDefinitionPath))
 		},
@@ -86,7 +90,11 @@ func BuildCmd(check func(error)) *cobra.Command {
 		Use:   "build [FLAGS]",
 		Short: "Builds the artifacts using the build config, source repo, and the builder image.",
 		Run: func(cmd *cobra.Command, args []string) {
-			// TODO(#1191): Set up build state and build the artifact.
+			config, err := pkg.NewDockerBuildConfig(sourceRepo, gitCommitHash, builderImage, buildConfigPath)
+			check(err)
+			log.Printf("The config is: %v\n", config)
+
+			// TODO(#1191): Set up build state using config, and build the artifact.
 			artifacts := "To be implemented"
 			log.Printf("Generated artifacts are: %v\n", artifacts)
 		},