Re-comment parts of pip's VersionControl.obtain

Steps to reproduce:
mkdir ~/tmp/pipdiff && \
git clone --depth 1 --branch 21.1.4 https://github.com/pypa/pip.git && \
cd pip && \
find . -type f -name '*.py'i \
        -exec sed -i 's/from\ pip._/from\ fetchcode.vcs.pip._/g' {} + \
        -exec sed -i 's/import\ pip._/import\ fetchcode.vcs.pip._/g' {} + \
        -exec sed -i 's/"pip._/"fetchcode.vcs.pip._/g' {} + && \
cd /tmp/pipdiff && \
git clone https://github.com/nexB/fetchcode.git && \
cd fetchcode && \
git checkout ab65b2e && \
cd /tmp/pipdiff && \
diff -Naur fetchcode/src/fetchcode/vcs/pip pip/src/pip

This commit contains changes reproduced between copy of pip's src and
8046215 thus authors SoB was added.

Signed-off-by: TG1999 <tushar.goel.dav@gmail.com>
Signed-off-by: Alexander Mazuruk <a.mazuruk@samsung.com>

Author: aalexanderr

src/fetchcode/vcs/pip/_internal/vcs/versioncontrol.py

@@ -580,37 +580,37 @@ def obtain(self, dest, url):
             self.name,
             url,
         )
-        response = ask_path_exists('What to do?  {}'.format(
-            prompt[0]), prompt[1])
-
-        if response == 'a':
-            sys.exit(-1)
-
-        if response == 'w':
-            logger.warning('Deleting %s', display_path(dest))
-            rmtree(dest)
-            self.fetch_new(dest, url, rev_options)
-            return
-
-        if response == 'b':
-            dest_dir = backup_dir(dest)
-            logger.warning(
-                'Backing up %s to %s', display_path(dest), dest_dir,
-            )
-            shutil.move(dest, dest_dir)
-            self.fetch_new(dest, url, rev_options)
-            return
-
-        # Do nothing if the response is "i".
-        if response == 's':
-            logger.info(
-                'Switching %s %s to %s%s',
-                self.repo_name,
-                display_path(dest),
-                url,
-                rev_display,
-            )
-            self.switch(dest, url, rev_options)
+        # response = ask_path_exists('What to do?  {}'.format(
+        #     prompt[0]), prompt[1])
+
+        # if response == 'a':
+        #     sys.exit(-1)
+
+        # if response == 'w':
+        #     logger.warning('Deleting %s', display_path(dest))
+        #     rmtree(dest)
+        #     self.fetch_new(dest, url, rev_options)
+        #     return
+
+        # if response == 'b':
+        #     dest_dir = backup_dir(dest)
+        #     logger.warning(
+        #         'Backing up %s to %s', display_path(dest), dest_dir,
+        #     )
+        #     shutil.move(dest, dest_dir)
+        #     self.fetch_new(dest, url, rev_options)
+        #     return
+
+        # # Do nothing if the response is "i".
+        # if response == 's':
+        #     logger.info(
+        #         'Switching %s %s to %s%s',
+        #         self.repo_name,
+        #         display_path(dest),
+        #         url,
+        #         rev_display,
+        #     )
+        #     self.switch(dest, url, rev_options)
 
     def unpack(self, location, url):
         # type: (str, HiddenText) -> None