string repository_os.archA string identifying the architecture Bazel is running on (the value of the "os.arch" Java property converted to lower case).
dict repository_os.environThe dictionary of environment variables.
NOTE: Retrieving an environment variable from this dictionary does not establish a dependency from a repository rule or module extension to the environment variable. To establish a dependency when looking up an environment variable, use either
string repository_os.nameA string identifying the operating system Bazel is running on (the value of the "os.name" Java property converted to lower case).