From b2615548189d47bbef64e296957efa12d9ae0678 Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <ruslan@iterative.ai>
Date: Sat, 11 Aug 2018 01:01:15 +0300
Subject: [PATCH] dvc: remote: format "No Remote repository" error

Fixes #988

Signed-off-by: Ruslan Kuprieiev <ruslan@iterative.ai>
---
 dvc/data_cloud.py | 18 ++++++++++++------
 dvc/project.py    |  3 ++-
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/dvc/data_cloud.py b/dvc/data_cloud.py
index ccf83de02..771c6a3e9 100644
--- a/dvc/data_cloud.py
+++ b/dvc/data_cloud.py
@@ -83,15 +83,18 @@ class DataCloud(object):
         cloud = cloud_type(self.project, cloud_config)
         return cloud
 
-    def _get_cloud(self, remote):
+    def _get_cloud(self, remote, cmd):
         if remote:
             return self._init_remote(remote)
 
         if self._cloud:
             return self._cloud
 
-        msg = "No remote repository specified. Setup default repository " \
-              "with 'dvc config core.remote <name>' or use '-r <name>'."
+        msg = "No remote repository specified. Setup default " \
+              "repository with\n"\
+              "    dvc config core.remote <name>\n" \
+              "or use:\n" \
+              "    dvc {} -r <name>".format(cmd)
         raise ConfigError(msg)
 
     def push(self, targets, jobs=1, remote=None, show_checksums=False):
@@ -100,7 +103,8 @@ class DataCloud(object):
         """
         return self.project.cache.local.push(targets,
                                              jobs=jobs,
-                                             remote=self._get_cloud(remote),
+                                             remote=self._get_cloud(remote,
+                                                                    'push'),
                                              show_checksums=show_checksums)
 
     def pull(self, targets, jobs=1, remote=None, show_checksums=False):
@@ -109,14 +113,16 @@ class DataCloud(object):
         """
         return self.project.cache.local.pull(targets,
                                              jobs=jobs,
-                                             remote=self._get_cloud(remote),
+                                             remote=self._get_cloud(remote,
+                                                                    'pull'),
                                              show_checksums=show_checksums)
 
     def status(self, targets, jobs=1, remote=None, show_checksums=False):
         """
         Check status of data items in a cloud-agnostic way.
         """
+        cloud = self._get_cloud(remote, 'status')
         return self.project.cache.local.status(targets,
                                                jobs=jobs,
-                                               remote=self._get_cloud(remote),
+                                               remote=cloud,
                                                show_checksums=show_checksums)
diff --git a/dvc/project.py b/dvc/project.py
index 02d833df0..590f9a227 100644
--- a/dvc/project.py
+++ b/dvc/project.py
@@ -383,7 +383,8 @@ class Project(object):
             self._do_gc('azure', self.cache.azure.gc, clist)
 
         if cloud:
-            self._do_gc('remote', self.cloud._get_cloud(remote).gc, clist)
+            self._do_gc('remote', self.cloud._get_cloud(remote,
+                                                        'gc -c').gc, clist)
 
     def push(self,
              target=None,