Releasing nits

Summary: Small improvements to releasing docs and script.

Test Plan: Manual

Reviewers: schrockn, alangenfeld, nate, prha, themissinghlink

Reviewed By: nate

Differential Revision: https://dagster.phacility.com/D1511

RELEASING.md

@@ -70,7 +70,8 @@ It's also prudent to release from a fresh virtualenv.
 7. Check that the ReadTheDocs build was successful at
    [https://readthedocs.org/projects/dagster/builds/](https://readthedocs.org/projects/dagster/builds/).
 
-8.  Publish the new version to PyPI.
+8.  Publish the new version to PyPI. If something goes wrong during this stage, you will probably
+    have to roll forwards to a new release, since there is no way to delete files from PyPI.
 
         python bin/publish.py publish
 

bin/publish.py

@@ -447,11 +447,11 @@ def check_for_cruft(autoclean):
                 'Found potentially crufty directories:\n'
                 '    {found_cruft}\n'
                 '***We strongly recommend releasing from a fresh git clone!***\n'
-                'Automatically remove these directories and continue? (Y/n)'.format(
+                'Automatically remove these directories and continue? (y/N)'.format(
                     found_cruft='\n    '.join(found_cruft)
                 )
             )
-        if wipeout == 'Y':
+        if wipeout == 'y' or wipeout == 'Y':
             for cruft_dir in found_cruft:
                 subprocess.check_output(['rm', '-rfv', cruft_dir])
         else:
@@ -474,11 +474,11 @@ def check_for_cruft(autoclean):
             wipeout = input(
                 'Found {n_files} .pyc files.\n'
                 'We strongly recommend releasing from a fresh git clone!\n'
-                'Automatically remove these files and continue? (Y/n)'.format(
+                'Automatically remove these files and continue? (y/N)'.format(
                     n_files=len(found_pyc_files)
                 )
             )
-        if wipeout == 'Y':
+        if wipeout == 'y' or wipeout == 'Y':
             for file_ in found_pyc_files:
                 os.unlink(file_)
         else: