sb: Update download to check the config file for release URL control.

Provide without_release_url support in the configuration file so
the release tarball download of the kernel and tools uses the
release's top level directory and not the sources directory.

Closes #2481.

rtems/config/tools/rtems-kernel-4-1.cfg

@@ -21,7 +21,8 @@ BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)
   %define rtems_kernel_compression xz
  %endif
  %source set rtems %{rtems_release_url}/%{rtems_kernel_version}/rtems-%{rtems_kernel_version}.tar.%{rtems_kernel_compression}
-  %define rtems_bootstrap 0
+ %define rtems_bootstrap 0
+ %define without_release_url
 %else
  %if ! %{defined rtems_kernel_version}
   %define rtems_kernel_version HEAD

rtems/config/tools/rtems-tools-1.cfg

@@ -25,6 +25,7 @@
  #
  %if %{rsb_released}
   %source set rtems-tools %{rtems_release_url}/%{rtems_tools_version}/rtems-tools-%{rtems_tools_version}.tar.xz
+  %define without_release_url
  %else
   #
   # rtems_git_commit_hash : The commit hash else the branch is tracked.

source-builder/sb/download.py

@@ -566,6 +566,9 @@ def get_file(url, local, opts, config):
     if version.released():
         rtems_release_url = rtems_release_url_value
     with_rel_url = opts.with_arg('release-url')
+    if with_rel_url[1] == 'not-found':
+        if config.defined('without_release_url'):
+            with_rel_url = ('without_release-url', 'yes')
     if with_rel_url[0] == 'with_release-url':
         if with_rel_url[1] == 'yes':
             rtems_release_url = rtems_release_url_value