diff -up conda-4.7.0/conda/gateways/disk/create.py.orig conda-4.7.0/conda/gateways/disk/create.py
--- conda-4.7.0/conda/gateways/disk/create.py.orig 2019-05-17 11:08:48.000000000 -0600
+++ conda-4.7.0/conda/gateways/disk/create.py 2019-05-18 19:46:11.428298209 -0600
@@ -28,7 +28,7 @@ from ...base.context import context
from ...common.compat import on_win
from ...common.path import ensure_pad, expand, win_path_double_escape, win_path_ok
from ...common.serialize import json_dump
-from ...exceptions import BasicClobberError, CondaOSError, maybe_raise
+from ...exceptions import BasicClobberError, CondaOSError, maybe_raise, NotWritableError
from ...models.enums import FileMode, LinkType
@@ -438,6 +438,9 @@ def create_package_cache_directory(pkgs_
sudo_safe = expand(pkgs_dir).startswith(expand('~'))
touch(join(pkgs_dir, PACKAGE_CACHE_MAGIC_FILE), mkdir=True, sudo_safe=sudo_safe)
touch(join(pkgs_dir, 'urls'), sudo_safe=sudo_safe)
+ except NotWritableError:
+ log.trace("cannot create package cache directory '%s'", pkgs_dir)
+ return False
except (IOError, OSError) as e:
if e.errno in (EACCES, EPERM, EROFS):
log.trace("cannot create package cache directory '%s'", pkgs_dir)