From 48cc9af6caa9e0b7411e36eb5142259a33eb13ef Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <kupruser@gmail.com>
Date: Thu, 12 Apr 2018 19:46:31 +0300
Subject: [PATCH] config: introduce config.local

Fixes #524

Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
---
 dvc/cli.py            | 20 ++++++++++++++++++++
 dvc/command/config.py |  6 +++++-
 dvc/config.py         |  6 ++++++
 dvc/project.py        |  3 ++-
 4 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/dvc/cli.py b/dvc/cli.py
index 09f5fd5d1..722d01119 100644
--- a/dvc/cli.py
+++ b/dvc/cli.py
@@ -239,6 +239,11 @@ def parse_args(argv=None):
                         nargs='?',
                         default=None,
                         help='Option value')
+    config_parser.add_argument(
+                        '--local',
+                        action='store_true',
+                        default=False,
+                        help='Use local config')
     config_parser.set_defaults(func=CmdConfig)
 
 
@@ -262,6 +267,11 @@ def parse_args(argv=None):
     remote_add_parser.add_argument(
                         'url',
                         help='Url')
+    remote_add_parser.add_argument(
+                        '--local',
+                        action='store_true',
+                        default=False,
+                        help='Use local config')
     remote_add_parser.set_defaults(func=CmdRemoteAdd)
 
 
@@ -272,6 +282,11 @@ def parse_args(argv=None):
     remote_remove_parser.add_argument(
                         'name',
                         help='Name')
+    remote_remove_parser.add_argument(
+                        '--local',
+                        action='store_true',
+                        default=False,
+                        help='Use local config')
     remote_remove_parser.set_defaults(func=CmdRemoteRemove)
 
 
@@ -294,6 +309,11 @@ def parse_args(argv=None):
                         default=False,
                         action='store_true',
                         help='Unset option')
+    remote_modify_parser.add_argument(
+                        '--local',
+                        action='store_true',
+                        default=False,
+                        help='Use local config')
     remote_modify_parser.set_defaults(func=CmdRemoteModify)
 
 
diff --git a/dvc/command/config.py b/dvc/command/config.py
index 4bb216d80..dc669c657 100644
--- a/dvc/command/config.py
+++ b/dvc/command/config.py
@@ -11,7 +11,11 @@ class CmdConfig(CmdBase):
     def __init__(self, args):
         self.args = args
         root_dir = self._find_root()
-        self.config_file = os.path.join(root_dir, Project.DVC_DIR, Config.CONFIG)
+        if args.local:
+            config = Config.CONFIG_LOCAL
+        else:
+            config = Config.CONFIG
+        self.config_file = os.path.join(root_dir, Project.DVC_DIR, config)
         # Using configobj because it doesn't
         # drop comments like configparser does.
         self.configobj = configobj.ConfigObj(self.config_file)
diff --git a/dvc/config.py b/dvc/config.py
index 156c77c30..b1832c0de 100644
--- a/dvc/config.py
+++ b/dvc/config.py
@@ -21,6 +21,7 @@ def supported_url(url):
 
 class Config(object):
     CONFIG = 'config'
+    CONFIG_LOCAL = 'config.local'
 
     SECTION_CORE = 'core'
     SECTION_CORE_LOGLEVEL = 'loglevel'
@@ -95,13 +96,18 @@ class Config(object):
     def __init__(self, dvc_dir):
         self.dvc_dir = os.path.abspath(os.path.realpath(dvc_dir))
         self.config_file = os.path.join(dvc_dir, self.CONFIG)
+        self.config_local_file = os.path.join(dvc_dir, self.CONFIG_LOCAL)
 
         try:
             self._config = configobj.ConfigObj(self.config_file)
+            local = configobj.ConfigObj(self.config_local_file)
 
             # NOTE: schema doesn't support ConfigObj.Section validation, so we
             # need to convert our config to dict before passing it to schema.
             self._config = self._lower(self._config)
+            local = self._lower(local)
+            self._config.update(local)
+
             self._config = schema.Schema(self.SCHEMA).validate(self._config)
 
             # NOTE: now converting back to ConfigObj
diff --git a/dvc/project.py b/dvc/project.py
index 1537a411a..cd1546125 100644
--- a/dvc/project.py
+++ b/dvc/project.py
@@ -69,7 +69,8 @@ class Project(object):
         scm = SCM(root_dir)
         scm.ignore_list([cache.cache_dir,
                          state.state_file,
-                         lock.lock_file])
+                         lock.lock_file,
+                         config.config_local_file])
 
         ignore_file = os.path.join(dvc_dir, scm.ignore_file())
         scm.add([config.config_file, ignore_file])