Package added with get_package_manager function and other utils.

import changed accordingly in version
Solves issue #2672

dvc/command/version.py

@@ -18,7 +18,7 @@ from dvc.command.base import CmdBaseNoRepo, append_doc_link
 from dvc.version import __version__
 from dvc.exceptions import DvcException, NotDvcRepoError
 from dvc.system import System
-from dvc.updater import Updater
+from dvc.utils.pkg import get_package_manager
 
 logger = logging.getLogger(__name__)
 
@@ -31,7 +31,7 @@ class CmdVersion(CmdBaseNoRepo):
         python_version = platform.python_version()
         platform_type = platform.platform()
         binary = is_binary()
-        package_manager = Updater("dvc/")._get_package_manager()
+        package_manager = get_package_manager()
         info = (
             "DVC version: {dvc_version}\n"
             "Python version: {python_version}\n"

dvc/utils/pkg.py

@@ -0,0 +1,51 @@
+from dvc.utils import is_binary
+
+
+def get_linux():
+    import distro
+
+    if not is_binary():
+        return "pip"
+
+    package_managers = {
+        "rhel": "yum",
+        "centos": "yum",
+        "fedora": "yum",
+        "amazon": "yum",
+        "opensuse": "yum",
+        "ubuntu": "apt",
+        "debian": "apt",
+    }
+
+    return package_managers.get(distro.id())
+
+
+def get_darwin():
+    if not is_binary():
+        if __file__.startswith("/usr/local/Cellar"):
+            return "formula"
+        else:
+            return "pip"
+    return None
+
+
+def get_windows():
+    return None if is_binary() else "pip"
+
+
+def get_package_manager():
+    import platform
+    from dvc.exceptions import DvcException
+
+    m = {
+        "Windows": get_windows(),
+        "Darwin": get_darwin(),
+        "Linux": get_linux(),
+    }
+
+    system = platform.system()
+    func = m.get(system)
+    if func is None:
+        raise DvcException("not supported system '{}'".format(system))
+
+    return func