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Diffstat (limited to 'src/rebar_provider.erl')
| -rw-r--r-- | src/rebar_provider.erl | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/rebar_provider.erl b/src/rebar_provider.erl index 30f7d80..3c80a80 100644 --- a/src/rebar_provider.erl +++ b/src/rebar_provider.erl @@ -6,6 +6,7 @@ impl/1, get_provider/2, get_target_providers/2, + help/1, format/1]). -export_type([t/0]). @@ -73,13 +74,26 @@ do(Provider, State) -> impl(Provider) -> Provider#provider.name. +help(State) -> + Providers = rebar_state:providers(State), + Help = lists:sort([{ec_cnv:to_list(P#provider.name), P#provider.short_desc} || P <- Providers, + P#provider.bare =/= true]), + Longest = lists:max([length(X) || {X, _} <- Help]), + + lists:foreach(fun({Name, ShortDesc}) -> + Length = length(Name), + Spacing = lists:duplicate(Longest - Length + 8, " "), + io:format("~s~s~s~n", [Name, Spacing, ShortDesc]) + end, Help). + + %% @doc print the provider module name %% %% @param T - The provider %% @return An iolist describing the provider -spec format(t()) -> iolist(). -format(#provider{provider_impl=Mod}) -> - erlang:atom_to_list(Mod). +format(#provider{name=Name}) -> + atom_to_list(Name). get_target_providers(Target, State) -> Providers = rebar_state:providers(State), |