Changed default value of clean flag to False

env.bzl

@@ -86,8 +86,8 @@ conda_create_rule = repository_rule(
             doc = "Timeout in seconds for each execute action",
         ),
         "clean": attr.bool(
-            default = True,
-            doc = "False if conda cache should not be cleaned",
+            default = False,
+            doc = "True if conda cache should be cleaned",
         ),
     },
 )

example/WORKSPACE

@@ -62,26 +62,26 @@ load("@rules_conda//:defs.bzl", "conda_create", "load_conda", "register_toolchai
 
 # download and install conda
 load_conda(
-    quiet = False,  # print output
+    quiet = False,  # use True to hide conda output
     version = "4.10.3",  # optional, defaults to 4.10.3
 )
 
 # create environment with python2
 conda_create(
     name = "py2_env",
     timeout = 600,  # each execute action can take up to 600 seconds
-    clean = True,  # use False if you want to avoid downloads on recreations
+    clean = False,  # use True if you want to clean conda cache (less space taken, but slower subsequent builds)
     environment = "@//third_party/conda:py2_environment.yml",  # label pointing to environment.yml file
-    quiet = False,
+    quiet = False,  # use True to hide conda output
 )
 
 # create environment with python3
 conda_create(
     name = "py3_env",
     timeout = 600,  # each execute action can take up to 600 seconds
-    clean = True,  # use False if you want to avoid downloads on recreations
+    clean = False,  # use True if you want to clean conda cache (less space taken, but slower subsequent builds)
     environment = "@//third_party/conda:py3_environment.yml",  # label pointing to environment.yml file
-    quiet = False,
+    quiet = False,  # use True to hide conda output
 )
 
 # register pythons from environment as toolchain