gclient: print a warning if a dep would get deleted or moved in the future

tests/gclient_scm_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Unit tests for gclient_scm.py."""
 
 # pylint: disable=E1103
 
 # Import before super_mox to keep valid references.
@@ skipping 117 matching lines @@
   def testGITFakeHttpsUrl(self):
     self.url = 'git+https://foo'
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     self.assertEqual(scm.url, 'https://foo')
 
   def testRunCommandException(self):
     options = self.Options(verbose=False)
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     exception = "Unsupported argument(s): %s" % ','.join(self.args)
     self.assertRaisesError(exception, scm.RunCommand,
                            'update', options, self.args)
 
   def testRunCommandUnknown(self):
     # TODO(maruel): if ever used.
     pass
 
   def testRevertMissing(self):
     options = self.Options(verbose=True)
     gclient_scm.os.path.isdir(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(False)
     gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
         ).AndReturn('1.5.1')
     # It'll to a checkout instead.
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
     # Checkout.
     gclient_scm.os.path.exists(self.base_path).AndReturn(False)
     parent = gclient_scm.os.path.dirname(self.base_path)
     gclient_scm.os.path.exists(parent).AndReturn(False)
     gclient_scm.os.makedirs(parent)
     gclient_scm.os.path.exists(parent).AndReturn(True)
     files_list = self.mox.CreateMockAnything()
     gclient_scm.scm.SVN.RunAndGetFileList(
         options.verbose,
@@ skipping 11 matching lines @@
     self.checkstdout(
         ('\n_____ %s is missing, synching instead\n' % self.relpath))
 
   def testRevertNoDotSvn(self):
     options = self.Options(verbose=True, force=True)
     gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
     gclient_scm.os.path.isdir(join(self.base_path, '.svn')).AndReturn(False)
     gclient_scm.os.path.isdir(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.isdir(join(self.base_path, '.hg')).AndReturn(False)
     # Checkout.
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(False)
     parent = gclient_scm.os.path.dirname(self.base_path)
     gclient_scm.os.path.exists(parent).AndReturn(False)
     gclient_scm.os.makedirs(parent)
     gclient_scm.os.path.exists(parent).AndReturn(True)
     files_list = self.mox.CreateMockAnything()
     gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
         ).AndReturn('1.6')
     gclient_scm.scm.SVN.RunAndGetFileList(
@@ skipping 105 matching lines @@
 
   # TODO(maruel):  TEST REVISIONS!!!
   # TODO(maruel):  TEST RELOCATE!!!
   def testUpdateCheckout(self):
     options = self.Options(verbose=True)
     file_info = gclient_scm.gclient_utils.PrintableObject()
     file_info.root = 'blah'
     file_info.url = self.url
     file_info.uuid = 'ABC'
     file_info.revision = 42
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
     # Checkout.
     gclient_scm.os.path.exists(self.base_path).AndReturn(False)
     parent = gclient_scm.os.path.dirname(self.base_path)
     gclient_scm.os.path.exists(parent).AndReturn(False)
     gclient_scm.os.makedirs(parent)
     gclient_scm.os.path.exists(parent).AndReturn(True)
     files_list = self.mox.CreateMockAnything()
     gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
         ).AndReturn('1.5.1')
@@ skipping 12 matching lines @@
   def testUpdateUpdate(self):
     options = self.Options(verbose=True)
     options.force = True
     options.nohooks = False
     file_info = {
       'Repository Root': 'blah',
       'URL': self.url,
       'UUID': 'ABC',
       'Revision': 42,
     }
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
 
     # Checkout or update.
     dotted_path = join(self.base_path, '.')
     gclient_scm.scm.SVN._CaptureInfo([], dotted_path).AndReturn(file_info)
 
     # Verify no locked files.
     gclient_scm.scm.SVN.CaptureStatus(None, dotted_path).AndReturn([])
 
     # Cheat a bit here.
@@ skipping 24 matching lines @@
 
   def testUpdateReset(self):
     options = self.Options(verbose=True)
     options.reset = True
     file_info = {
       'Repository Root': 'blah',
       'URL': self.url,
       'UUID': 'ABC',
       'Revision': 42,
     }
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
 
     # Checkout or update.
     dotted_path = join(self.base_path, '.')
     gclient_scm.scm.SVN._CaptureInfo([], dotted_path).AndReturn(file_info)
 
     # Create an untracked file and directory.
     gclient_scm.scm.SVN.CaptureStatus(None, dotted_path
         ).AndReturn([['?  ', 'dir'], ['?  ', 'file']])
 
@@ skipping 14 matching lines @@
     options = self.Options(verbose=True)
     options.reset = True
     options.delete_unversioned_trees = True
 
     file_info = {
       'Repository Root': 'blah',
       'URL': self.url,
       'UUID': 'ABC',
       'Revision': 42,
     }
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
 
     # Checkout or update.
     dotted_path = join(self.base_path, '.')
     gclient_scm.scm.SVN._CaptureInfo([], dotted_path).AndReturn(file_info)
 
     # Create an untracked file and directory.
     gclient_scm.scm.SVN.CaptureStatus(None, dotted_path
         ).AndReturn([['?  ', 'dir'], ['?  ', 'file']])
 
@@ skipping 44 matching lines @@
         ['svn', 'checkout', '--depth', 'empty', self.url, self.base_path],
         always=True,
         cwd=self.root_dir)
     gclient_scm.scm.SVN.RunAndGetFileList(
         options.verbose,
         ['update', 'DEPS', '--ignore-externals'],
         cwd=self.base_path,
         file_list=files_list)
 
     # Now we fall back on scm.update().
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
     gclient_scm.scm.SVN._CaptureInfo([], dotted_path).AndReturn(file_info)
     gclient_scm.scm.SVN._CaptureInfo([file_info['URL']], None
         ).AndReturn(file_info)
 
     gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.'
         ).AndReturn({'Revision': 100})
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
@@ skipping 48 matching lines @@
         ['svn', 'checkout', '--depth', 'empty', self.url, self.base_path],
         always=True,
         cwd=self.root_dir)
     gclient_scm.scm.SVN.RunAndGetFileList(
         options.verbose,
         ['update', 'DEPS', '--ignore-externals'],
         cwd=self.base_path,
         file_list=files_list)
 
     # Now we fall back on scm.update().
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
     gclient_scm.scm.SVN._CaptureInfo(
         [], join(self.base_path, ".")).AndReturn(file_info)
     gclient_scm.scm.SVN._CaptureInfo([file_info['URL']], None
         ).AndReturn(file_info)
 
     gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.'
         ).AndReturn({'Revision': 100})
 
     self.mox.ReplayAll()
@@ skipping 14 matching lines @@
     gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
         ).AndReturn('1.5.1')
     gclient_scm.os.path.exists(join(self.base_path, '.svn')).AndReturn(True)
 
     # Verify no locked files.
     gclient_scm.scm.SVN.CaptureStatus(None, join(self.base_path, '.')
         ).AndReturn([])
 
     # Now we fall back on scm.update().
     files_list = self.mox.CreateMockAnything()
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(False)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
     gclient_scm.os.path.exists(self.base_path).AndReturn(True)
     gclient_scm.scm.SVN._CaptureInfo(
         [], join(self.base_path, '.')).AndReturn(file_info)
     gclient_scm.scm.SVN._CaptureInfo([file_info['URL']], None
         ).AndReturn(file_info)
 
     gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.'
         ).AndReturn({'Revision': 100})
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     scm.updatesingle(options, ['DEPS'], files_list)
     self.checkstdout('\n_____ %s at 42\n' % self.relpath)
 
   def testUpdateGit(self):
     options = self.Options(verbose=True)
-    file_path = gclient_scm.os.path.join(self.root_dir, self.relpath, '.git')
-    gclient_scm.os.path.exists(file_path).AndReturn(True)
+    file_path = gclient_scm.os.path.join(self.root_dir, self.relpath, '.hg')
+    gclient_scm.os.path.exists(file_path).AndReturn(False)
+    gclient_scm.os.path.exists(self.base_path).AndReturn(True)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
+    error = gclient_scm.subprocess2.CalledProcessError(
+        1, 'cmd', '/cwd', 'stdout', 'stderr')
+    gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.').AndRaise(error)
+
+    dest_path = os.path.join(self.root_dir, '_bad_scm', self.relpath + '.1234')
+    self.mox.StubOutWithMock(gclient_scm.random, 'randint', True)
+    gclient_scm.random.randint(1000, 9999).AndReturn(1234)
+    self.mox.StubOutWithMock(gclient_scm.shutil, 'move', True)
+    gclient_scm.shutil.move(self.base_path, dest_path)
+    gclient_scm.os.path.exists(self.root_dir).AndReturn(True)
+    gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
+        ).AndReturn('1.5.1')
+    gclient_scm.scm.SVN.RunAndGetFileList(
+        options.verbose,
+        ['checkout', self.url, self.base_path, '--force', '--ignore-externals'],
+        cwd=self.root_dir,
+        file_list=[])
+
+    gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.'
+        ).AndReturn({'Revision': 100})
+
+    self.mox.ReplayAll()
+    scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
+                            relpath=self.relpath)
+    scm.update(options, None, [])
+    self.checkstdout('_____ Conflicting directory found in %s. Moving to %s.\n'
+                     % (self.base_path, dest_path))
+
+  def testUpdateGitForce(self):
+    options = self.Options(verbose=True, force=True)
+    file_path = gclient_scm.os.path.join(self.root_dir, self.relpath, '.hg')
+    gclient_scm.os.path.exists(file_path).AndReturn(False)
+    gclient_scm.os.path.exists(self.base_path).AndReturn(True)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(False)
+    error = gclient_scm.subprocess2.CalledProcessError(
+        1, 'cmd', '/cwd', 'stdout', 'stderr')
+    gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.').AndRaise(error)
+    gclient_scm.gclient_utils.rmtree(self.base_path)
+    gclient_scm.os.path.exists(self.root_dir).AndReturn(True)
+    gclient_scm.scm.SVN.Capture(['--version', '--quiet'], None
+        ).AndReturn('1.5.1')
+    gclient_scm.scm.SVN.RunAndGetFileList(
+        options.verbose,
+        ['checkout', self.url, self.base_path, '--force', '--ignore-externals'],
+        cwd=self.root_dir,
+        file_list=[])
+
+    gclient_scm.scm.SVN._CaptureInfo([], self.base_path+'/.'
+        ).AndReturn({'Revision': 100})
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     file_list = []
-    scm.update(options, self.args, file_list)
+    scm.update(options, None, file_list)
+    self.checkstdout('_____ Conflicting directory found in %s. Removing.\n'
+                     % self.base_path)
+
+  def testUpdateGitSvn(self):
+    options = self.Options(verbose=True)
+    file_path = gclient_scm.os.path.join(self.root_dir, self.relpath, '.hg')
+    gclient_scm.os.path.exists(file_path).AndReturn(False)
+    gclient_scm.os.path.exists(self.base_path).AndReturn(True)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'IsGitSvn', True)
+    gclient_scm.scm.GIT.IsGitSvn(self.base_path).AndReturn(True)
+    self.mox.StubOutWithMock(gclient_scm.scm.GIT, 'Capture', True)
+    gclient_scm.scm.GIT.Capture(['config', '--local', '--get',
+                                 'svn-remote.svn.url'],
+                                cwd=self.base_path).AndReturn(self.url)
+
+    self.mox.ReplayAll()
+    scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
+                            relpath=self.relpath)
+    file_list = []
+    scm.update(options, [], file_list)
     self.checkstdout(
-        ('________ found .git directory; skipping %s\n' % self.relpath))
+        ('\n_____ %s looks like a git-svn checkout. Skipping.\n' % self.relpath)
+        )
 
   def testUpdateHg(self):
     options = self.Options(verbose=True)
-    gclient_scm.os.path.exists(join(self.base_path, '.git')).AndReturn(False)
     gclient_scm.os.path.exists(join(self.base_path, '.hg')).AndReturn(True)
 
     self.mox.ReplayAll()
     scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
                             relpath=self.relpath)
     file_list = []
     scm.update(options, self.args, file_list)
     self.checkstdout(
         ('________ found .hg directory; skipping %s\n' % self.relpath))
 
@@ skipping 544 matching lines @@
     self.assertEquals(git_svn_scm.GetUsableRev('3', options),
                       self.fake_hash_2)
     # Given a git sha1 with a git-svn checkout, it should be used as is.
     self.assertEquals(git_svn_scm.GetUsableRev(self.fake_hash_1, options),
                       self.fake_hash_1)
     # We currently check for seemingly valid SVN revisions by assuming 6 digit
     # numbers, so assure that numeric revs >= 1000000 don't work.
     self.assertRaises(gclient_scm.gclient_utils.Error,
                       git_svn_scm.GetUsableRev, too_big, options)
 
+  def testUpdateNoDotGit(self):
+    options = self.Options()
+
+    gclient_scm.os.path.exists(self.base_path).AndReturn(True)
+    gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
+    gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
+                               ).AndReturn(False)
+    gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
+    gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
+                               ).AndReturn(False)
+
+    dest_path = os.path.join(self.root_dir, '_bad_scm', self.relpath + '.1234')
+    self.mox.StubOutWithMock(gclient_scm.random, 'randint', True)
+    gclient_scm.random.randint(1000, 9999).AndReturn(1234)
+    self.mox.StubOutWithMock(gclient_scm.shutil, 'move', True)
+    gclient_scm.shutil.move(self.base_path, dest_path)
+    self.mox.StubOutWithMock(gclient_scm.GitWrapper, '_Clone', True)
+    # pylint: disable=E1120
+    gclient_scm.GitWrapper._Clone('refs/remotes/origin/master', self.url,
+                                  options)
+    # pylint: disable=E1120
+    self.mox.StubOutWithMock(gclient_scm.GitWrapper, 'UpdateSubmoduleConfig',
+                             True)
+    gclient_scm.GitWrapper.UpdateSubmoduleConfig()
+    self.mox.StubOutWithMock(gclient_scm.subprocess2, 'check_output', True)
+    gclient_scm.subprocess2.check_output(['git', 'ls-files'],
+                                         cwd=self.base_path,
+                                         stderr=gclient_scm.subprocess2.VOID,
+                                         ).AndReturn('')
+    gclient_scm.subprocess2.check_output(
+        ['git', 'rev-parse', '--verify', 'HEAD'],
+        cwd=self.base_path,
+        stderr=gclient_scm.subprocess2.VOID,
+        ).AndReturn('')
+
+    self.mox.ReplayAll()
+    scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
+                            relpath=self.relpath)
+    scm.update(options, None, [])
+    self.checkstdout(
+        '_____ Conflicting directory found in %s. Moving to %s.\n\n'
+        % (self.base_path, dest_path))
+
+  def testUpdateNoDotGitForce(self):
+    options = self.Options(force=True)
+
+    gclient_scm.os.path.exists(self.base_path).AndReturn(True)
+    gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
+    gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
+                               ).AndReturn(False)
+    gclient_scm.os.path.isdir(self.base_path).AndReturn(True)
+    gclient_scm.os.path.exists(os.path.join(self.base_path, '.git')
+                               ).AndReturn(False)
+    gclient_scm.gclient_utils.rmtree(self.base_path)
+    self.mox.StubOutWithMock(gclient_scm.GitWrapper, '_Clone', True)
+    # pylint: disable=E1120
+    gclient_scm.GitWrapper._Clone('refs/remotes/origin/master', self.url,
+                                  options)
+    # pylint: disable=E1120
+    self.mox.StubOutWithMock(gclient_scm.GitWrapper, 'UpdateSubmoduleConfig',
+                             True)
+    gclient_scm.GitWrapper.UpdateSubmoduleConfig()
+    self.mox.StubOutWithMock(gclient_scm.subprocess2, 'check_output', True)
+    gclient_scm.subprocess2.check_output(['git', 'ls-files'],
+                                         cwd=self.base_path,
+                                         stderr=gclient_scm.subprocess2.VOID,
+                                         ).AndReturn('')
+    gclient_scm.subprocess2.check_output(
+        ['git', 'rev-parse', '--verify', 'HEAD'],
+        cwd=self.base_path,
+        stderr=gclient_scm.subprocess2.VOID,
+        ).AndReturn('')
+
+    self.mox.ReplayAll()
+    scm = self._scm_wrapper(url=self.url, root_dir=self.root_dir,
+                            relpath=self.relpath)
+    scm.update(options, None, [])
+    self.checkstdout('_____ Conflicting directory found in %s. Removing.\n\n'
+                     % self.base_path)
+
 
 class UnmanagedGitWrapperTestCase(BaseGitWrapperTestCase):
   def testUpdateUpdate(self):
     if not self.enabled:
       return
     options = self.Options()
     expected_file_list = []
     scm = gclient_scm.CreateSCM(url=self.url, root_dir=self.root_dir,
                                 relpath=self.relpath)
     file_list = []
     options.revision = 'unmanaged'
     scm.update(options, (), file_list)
     self.assertEquals(file_list, expected_file_list)
     self.assertEquals(scm.revinfo(options, (), None),
                       '069c602044c5388d2d15c3f875b057c852003458')
     self.checkstdout('________ unmanaged solution; skipping .\n')
 
 
 if __name__ == '__main__':
   if '-v' in sys.argv:
     logging.basicConfig(
         level=logging.DEBUG,
         format='%(asctime).19s %(levelname)s %(filename)s:'
                '%(lineno)s %(message)s')
   unittest.main()
 
 # vim: ts=2:sw=2:tw=80:et: