require 'mailshears'
# Since we removed both the executable name and the mode name (if it
-# existed) from ARGV, what remains should be the required
-# arguments.
-if (mode == :prune and (ARGV.length() != 0)) or
- (mode == :rm and (ARGV.length() < 1)) or
- (mode == :mv and (ARGV.length() != 2)) then
- puts "ERROR: missing (or extra) command-line arguments."
+# existed) from ARGV, what remains should be the required arguments.
+# Figure out if we have the wrong number of arguments, and store the
+# associated error message in args_error_message if we do.
+args_error_message = nil
+if mode == :prune and ARGV.length() != 0 then
+ args_error_message = "ERROR: prune mode takes no additional arguments."
+elsif mode == :rm and ARGV.length() < 1 then
+ args_error_message = "ERROR: rm mode takes two or more user arguments."
+elsif mode == :mv and ARGV.length() != 2 then
+ args_error_message = "ERROR: mv mode takes exactly two user arguments."
+end
+
+# If we got the wrong number of arguments, we'll have some error
+# message. Report it and quit.
+if not args_error_message.nil? then
+ STDERR.puts args_error_message
puts "Usage: #{usage}"
Kernel.exit(ExitCodes::BAD_COMMAND_LINE)
end
+
cfg = Configuration.new()
# Load each of the plugins that we'll need.
plugin_module = PrunePlugin
end
-
# Buffer the output so that we can avoid printing the informational
# header when no plugins produce output.
require 'stringio'
output_buffer = StringIO.new()
$stdout = output_buffer
-plugin_module.run(cfg, *ARGV)
+# Parse the remaining arguments as User/Domain objects. If we get some
+# other argument that isn't one of those, it's an error.
+parsed_args = []
+ARGV.each do |arg|
+ begin
+ u = User.new(arg)
+ parsed_args << u
+ rescue InvalidUserError
+ begin
+ d = Domain.new(arg)
+ parsed_args << d
+ rescue InvalidDomainError
+ STDERR.puts "ERROR: invalid user/domain argument #{arg}"
+ Kernel.exit(ExitCodes::BAD_COMMAND_LINE)
+ end
+ end
+end
-# Restore stdout, and print the header plus whatever the plugins
-# produced if they produced anything. If they didn't, we avoid
-# printing the header.
-$stdout = STDOUT
-if output_buffer.size > 0 then
- puts make_header(plugin_module.to_s())
- puts output_buffer.string()
+begin
+ plugin_module.run(cfg, *parsed_args)
+ensure
+ # Now restore stdout, and print the header plus whatever the plugins
+ # produced if they produced anything. If they didn't produce any
+ # output, then we avoid printing the header.
+ #
+ # This gets wrapped in an "ensure" block because otherwise, if
+ # plugin_module.run() crashes, the traceback will get stored in
+ # output_buffer and never get printed.
+ $stdout = STDOUT
+ if output_buffer.size > 0 then
+ puts make_header(plugin_module.to_s())
+ puts output_buffer.string()
+ end
end