##### SUMMARY
`get_url` inherits from `add_file_common_args`, which includes `unsafe_writes`, however our call to `atomic_move` does not pass this argument along.

https://github.com/ansible/ansible/blob/5226ac5778d3b57296b925de5d4ad0b485bb11cd/lib/ansible/modules/get_url.py#L463

https://github.com/ansible/ansible/blob/5226ac5778d3b57296b925de5d4ad0b485bb11cd/lib/ansible/modules/get_url.py#L633

```diff
diff --git a/lib/ansible/modules/get_url.py b/lib/ansible/modules/get_url.py
index 6ac370c2ef..c29d69e5c9 100644
--- a/lib/ansible/modules/get_url.py
+++ b/lib/ansible/modules/get_url.py
@@ -630,7 +630,7 @@ def main():
             if backup:
                 if os.path.exists(dest):
                     backup_file = module.backup_local(dest)
-            module.atomic_move(tmpsrc, dest)
+            module.atomic_move(tmpsrc, dest, unsafe_writes=module.params['unsafe_writes'])
         except Exception as e:
             if os.path.exists(tmpsrc):
                 os.remove(tmpsrc)
```

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
lib/ansible/modules/get_url.py

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
2.9
2.10
2.11
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->


##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below

```

''' Return SHA1 hex digest of local file using digest_from_file(). '''
        return self.digest_from_file(filename, 'sha1')
    def sha256(self, filename):
        ''' Return SHA-256 hex digest of local file using digest_from_file(). '''
        return self.digest_from_file(filename, 'sha256')
    def backup_local(self, fn):
        '''make a date-marked backup of the specified file, return True or False on success or failure'''
        backupdest = ''
        if os.path.exists(fn):
            
            ext = time.strftime("%Y-%m-%d@%H:%M:%S~", time.localtime(time.time()))
            backupdest = '%s.%s.%s' % (fn, os.getpid(), ext)
            try:
                self.preserved_copy(fn, backupdest)
            except (shutil.Error, IOError) as e:
                self.fail_json(msg='Could not make backup of %s to %s: %s' % (fn, backupdest, to_native(e)))
        return backupdest
    def cleanup(self, tmpfile):
        if os.path.exists(tmpfile):
            try:
                os.unlink(tmpfile)
            except OSError as e:
                sys.stderr.write("could not cleanup %s: %s" % (tmpfile, to_native(e)))
    def preserved_copy(self, src, dest):