add is_repo_sync support

main_cros_reposync_build.sh

@@ -63,6 +63,10 @@ foreach config $configs {
                 
             }
         }
+        is_repo_sync {
+            puts "$key:$value"
+            set is_repo_sync $value
+        }
         is_build_packages {
             puts "$key:$value"
             set is_build_packages $value
@@ -105,8 +109,13 @@ expect "repo has been initialized"
 spawn ./cros_cp_localmanifest.sh ${working_dir} ${repo_branch}
 expect "local_manifests"
 
-spawn ./cros_reposync.sh ${working_dir}
-expect "repo sync has finished successfully"
+if { $is_repo_sync } {
+    spawn ./cros_reposync.sh ${working_dir}
+    expect "repo sync has finished successfully"
+} else {
+    send "ls -al\r"
+    expect ".repo"
+}
 
 spawn ./cros_cp_utilities.sh ${working_dir}
 expect "dut_pty.sh" 
@@ -123,8 +132,6 @@ if { $is_build_packages } {
     send "USE=\"-ml_benchmark_drivers\" ./build_packages --board=volteer  --accept_licenses='*' | tee daily_build_packages.log\r" 
     expect "Builds complete"
     send "\r"
-
-
 } else {
     puts "INFO: is_build_packages disabled"
     send "\r"