Update fetch configs for infra projects.

Bug: 1415507

Change-Id: I096b150ca0ee0a4b9a14c3b2059c666cfdf8213b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/4379198
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Joanna Wang <jojwang@chromium.org>

fetch_configs/infra.py

@@ -15,21 +15,14 @@ class Infra(config_util.Config):
   @staticmethod
   def fetch_spec(props):
     return {
-      'type': 'gclient_git',
-      'gclient_git_spec': {
-        'solutions': [
-          {
-            'name'     : 'infra',
-            'url'      : 'https://chromium.googlesource.com/infra/infra.git',
-            'managed'  : False,
-          }
-        ],
+        'alias': {
+            'config': 'infra_superproject',
         },
     }
 
   @staticmethod
   def expected_root(_props):
-    return 'infra'
+    return ''
 
 
 def main(argv=None):

fetch_configs/infra_internal.py

@@ -14,26 +14,18 @@ class InfraInternal(config_util.Config):
 
   @staticmethod
   def fetch_spec(_props):
-    def url(host, repo):
-      return 'https://%s.googlesource.com/%s.git' % (host, repo)
-
-    spec = {
-      'solutions': [
-        {
-          'name': 'infra_internal',
-          'url': url('chrome-internal', 'infra/infra_internal'),
-          'managed': False
-        },
-      ],
-    }
     return {
-        'type': 'gclient_git',
-        'gclient_git_spec': spec,
+        'alias': {
+            'config': 'infra_superproject',
+            'props': [
+                '--checkout_internal=True',
+            ],
+        },
     }
 
   @staticmethod
   def expected_root(_props):
-    return 'infra_internal'
+    return ''
 
 
 def main(argv=None):
@@ -42,4 +34,3 @@ def main(argv=None):
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))
-

fetch_configs/infra_superproject.py

@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import sys
+import ast
 
 import config_util  # pylint: disable=import-error
 
@@ -12,7 +13,7 @@ import config_util  # pylint: disable=import-error
 class InfraSuperproject(config_util.Config):
   """Basic Config class for the whole set of Infrastructure repositories."""
   @staticmethod
-  def fetch_spec(_props):
+  def fetch_spec(props):
     def url(host, repo):
       return 'https://%s.googlesource.com/%s.git' % (host, repo)
 
@@ -22,12 +23,12 @@ class InfraSuperproject(config_util.Config):
                 'name': '.',
                 'url': url('chromium', 'infra/infra_superproject'),
                 'managed': False,
-                'custom_vars': {
-                    'checkout_internal': True
-                }
+                'custom_vars': {},
             },
         ],
     }
+    if ast.literal_eval(props.get('checkout_internal', 'False')):
+      spec['solutions'][0]['custom_vars']['checkout_internal'] = True
     return {
         'type': 'gclient_git',
         'gclient_git_spec': spec,