-@if "%_echo%" neq "on" echo off
+@if not defined _echo @echo off
setlocal EnableDelayedExpansion
if /I [%1] == [-?] goto Usage
echo To download a specific group of product packages, specify:
echo -BuildMajor
echo -BuildMinor
+echo To download from a specific container, specify:
+echo -Container="container name"
+echo To download blobs starting with a specific prefix, specify:
+echo -BlobNamePrefix="Blob name prefix"
+echo To specify which RID you are downloading binaries for (optional):
+echo -RuntimeId="RID" (Needs to match what's in the container)
+echo.
echo.
echo.
echo If no option is specified then sync.cmd -p is implied.
\ No newline at end of file