dvc: use relative paths in exceptions

Fixes #448

Signed-off-by: Ruslan Kuprieiev <[email protected]>

dvc/output.py

@@ -51,7 +51,7 @@ class Dependency(object):
         self.path = os.path.abspath(os.path.realpath(path))
 
         if not self.path.startswith(self.project.root_dir):
-            raise CmdOutputOutsideOfRepoError(self.path)
+            raise CmdOutputOutsideOfRepoError(self.rel_path)
 
         self.md5 = md5
 

dvc/project.py

@@ -152,7 +152,7 @@ class Project(object):
             try:
                 result += self._reproduce_stage(stages, n, force)
             except Exception as ex:
-                raise ReproductionError(n, ex)
+                raise ReproductionError(stages[n].relpath, ex)
         return result
 
     def checkout(self):

dvc/stage.py

@@ -9,7 +9,7 @@ from dvc.output import Output, Dependency, OutputError
 
 class StageCmdFailedError(DvcException):
     def __init__(self, stage):
-        msg = 'Stage {} cmd {} failed'.format(stage.path, stage.cmd)
+        msg = 'Stage {} cmd {} failed'.format(stage.relpath, stage.cmd)
         super(StageCmdFailedError, self).__init__(msg)