dvc: implement dvc destroy

Fixes #621

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

dvc/cli.py

@@ -7,6 +7,7 @@ from multiprocessing import cpu_count
 
 from dvc.logger import Logger
 from dvc.command.init import CmdInit
+from dvc.command.destroy import CmdDestroy
 from dvc.command.remove import CmdRemove
 from dvc.command.move import CmdMove
 from dvc.command.run import CmdRun
@@ -87,6 +88,15 @@ def parse_args(argv=None):
                         help="Initiate dvc in directory that is not tracked by any scm tool(e.g. git)")
     init_parser.set_defaults(func=CmdInit)
 
+
+    # Destroy
+    destroy_parser = subparsers.add_parser(
+                        'destroy',
+                        parents=[parent_parser],
+                        help='Destroy dvc')
+    destroy_parser.set_defaults(func=CmdDestroy)
+
+
     # Add
     add_parser = subparsers.add_parser(
                         'add',

dvc/command/destroy.py

@@ -0,0 +1,11 @@
+from dvc.command.common.base import CmdBase
+
+
+class CmdDestroy(CmdBase):
+    def run(self):
+        try:
+            self.project.destroy()
+        except Exception as exc:
+            self.project.logger.error('Failed to destroy DVC', exc)
+            return 1
+        return 0

dvc/project.py

@@ -2,6 +2,7 @@ import os
 import csv
 import stat
 import json
+import shutil
 import networkx as nx
 from jsonpath_rw import parse
 
@@ -96,6 +97,12 @@ class Project(object):
 
         return proj
 
+    def destroy(self):
+        for stage in self.stages():
+            stage.remove()
+
+        shutil.rmtree(self.dvc_dir)
+
     def _ignore(self):
         l = [self.state.state_file,
              self.state._lock_file.lock_file,