dolang-shell-modules 0.1.0

Stock embedded Do modules for the shell.
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import sudo sys security
  shell:
    - Vfs

# Returns if you currently have effective administrator privileges
pub def query()
  if (sys.os_info().family == :WINDOWS:)
    security.token_info().is_elevated
  else
    (security.unix_info().euid == 0)

# Attempts to run `block` with administrator privileges:
# - On Windows, elevate privileges with UAC
# - On Unix systems, use `sudo`
# 
# If the current user already possesses administrator privileges,
# `block` is simply run.
pub def with block
  if (sys.os_info().family == :WINDOWS:)
    if security.token_info().is_elevated
      return block()
    let vfs = Vfs.windows_admin()
    try
      vfs $block
    finally
      vfs.stop()
  else
    if (security.unix_info().euid == 0)
      return block()
    sudo.with $block