diff options
| -rw-r--r-- | src/rebar_prv_plugins_upgrade.erl | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/rebar_prv_plugins_upgrade.erl b/src/rebar_prv_plugins_upgrade.erl index fbd8365..c80dffc 100644 --- a/src/rebar_prv_plugins_upgrade.erl +++ b/src/rebar_prv_plugins_upgrade.erl @@ -33,10 +33,16 @@ init(State) -> -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}. do(State) -> {Args, _} = rebar_state:command_parsed_args(State), - Plugin = proplists:get_value(plugin, Args, <<"">>), - upgrade(Plugin, State). + case proplists:get_value(plugin, Args, none) of + none -> + ?PRV_ERROR(no_plugin_arg); + Plugin -> + upgrade(Plugin, State) + end. -spec format_error(any()) -> iolist(). +format_error(no_plugin_arg) -> + io_lib:format("Must give an installed plugin to upgrade as an argument", []); format_error({not_found, Plugin}) -> io_lib:format("Plugin to upgrade not found: ~s", [Plugin]); format_error(Reason) -> |