gclient: Make gclient respect unmanaged dependencies when syncing.

gclient syncs unmanaged dependencies when '--revision' files are passed,
regardless of whether the dependency appears in the revision flags or not.

Bug: 853032
Change-Id: I66de0865e1103d92524f565f4392dae24a5648e1
Reviewed-on: https://chromium-review.googlesource.com/1105416
Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>

gclient.py

@@ -622,7 +622,7 @@ class Dependency(gclient_utils.WorkItem, DependencySettings):
                 parent=self,
                 name=name,
                 url=url,
-                managed=None,
+                managed=True,
                 custom_deps=None,
                 custom_vars=self.custom_vars,
                 custom_hooks=None,
@@ -855,6 +855,8 @@ class Dependency(gclient_utils.WorkItem, DependencySettings):
     file_list = [] if not options.nohooks else None
     revision_override = revision_overrides.pop(
         self.FuzzyMatchUrl(revision_overrides), None)
+    if not revision_override and not self.managed:
+      revision_override = 'unmanaged'
     if run_scm and self.url:
       # Create a shallow copy to mutate revision.
       options = copy.copy(options)
@@ -1477,10 +1479,6 @@ it or fix the checkout.
     revision_overrides = {}
     if self._options.head:
       return revision_overrides
-    if not self._options.revisions:
-      for s in self.dependencies:
-        if not s.managed:
-          self._options.revisions.append('%s@unmanaged' % s.name)
     if not self._options.revisions:
       return revision_overrides
     solutions_names = [s.name for s in self.dependencies]

tests/gclient_smoketest.py

@@ -530,6 +530,26 @@ class GClientSmokeGIT(GClientSmokeBase):
         ['sync', '-v', '-v', '-v', '--revision', 'refs/changes/1212'])
     self.assertEquals(0, rc)
 
+  def testSyncUnmanaged(self):
+    if not self.enabled:
+      return
+    self.gclient([
+        'config', '--spec',
+        'solutions=[{"name":"src", "url": "%s", "managed": False}]' % (
+            self.git_base + 'repo_5')])
+    self.gclient([
+        'sync', '--revision', 'src@' + self.githash('repo_5', 2)])
+    self.gclient([
+        'sync', '--revision', 'src/repo1@%s' % self.githash('repo_1', 1)])
+    # src is unmanaged, so gclient shouldn't have updated it. It should've
+    # stayed synced at @2
+    tree = self.mangle_git_tree(('repo_5@2', 'src'),
+                                ('repo_1@1', 'src/repo1'),
+                                ('repo_2@1', 'src/repo2'))
+    tree['src/git_pre_deps_hooked'] = 'git_pre_deps_hooked'
+    self.maxDiff = None
+    self.assertTree(tree)
+
   def testSyncUrl(self):
     if not self.enabled:
       return