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74 wiersze
2.6 KiB
74 wiersze
2.6 KiB
-module(rebar_prv_packages).
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-behaviour(provider).
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-export([init/1,
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do/1,
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format_error/1]).
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-include("rebar.hrl").
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-include_lib("stdlib/include/ms_transform.hrl").
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-include_lib("providers/include/providers.hrl").
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-define(PROVIDER, pkgs).
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-define(DEPS, []).
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-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
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init(State) ->
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State1 = rebar_state:add_provider(State, providers:create([{name, ?PROVIDER},
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{module, ?MODULE},
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{bare, true},
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{deps, ?DEPS},
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{example, "rebar3 pkgs"},
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{short_desc, "List available packages."},
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{desc, info("List available packages")},
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{opts, []}])),
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{ok, State1}.
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-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
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do(State) ->
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rebar_packages:packages(State),
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case rebar_state:command_args(State) of
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[Name] ->
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print_packages(get_packages(iolist_to_binary(Name)));
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_ ->
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print_packages(sort_packages())
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end,
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{ok, State}.
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-spec format_error(any()) -> iolist().
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format_error(load_registry_fail) ->
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"Failed to load package regsitry. Try running 'rebar3 update' to fix".
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print_packages(Pkgs) ->
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orddict:map(fun(Name, Vsns) ->
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SortedVsns = lists:sort(fun(A, B) ->
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ec_semver:lte(ec_semver:parse(A)
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,ec_semver:parse(B))
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end, Vsns),
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VsnStr = join(SortedVsns, <<", ">>),
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?CONSOLE("~s:~n Versions: ~s~n", [Name, VsnStr])
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end, Pkgs).
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sort_packages() ->
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ets:foldl(fun({package_index_version, _}, Acc) ->
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Acc;
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({Pkg, Vsns}, Acc) ->
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orddict:store(Pkg, Vsns, Acc);
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(_, Acc) ->
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Acc
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end, orddict:new(), ?PACKAGE_TABLE).
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get_packages(Name) ->
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ets:lookup(?PACKAGE_TABLE, Name).
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-spec join([binary()], binary()) -> binary().
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join([Bin], _Sep) ->
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<<Bin/binary>>;
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join([Bin | T], Sep) ->
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<<Bin/binary, Sep/binary, (join(T, Sep))/binary>>.
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info(Description) ->
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io_lib:format("~s.~n", [Description]).
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