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72 lines
3.0 KiB
72 lines
3.0 KiB
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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-module(rebar_relx).
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-export([do/4,
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format_error/1]).
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-include("rebar.hrl").
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%% ===================================================================
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%% Public API
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%% ===================================================================
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-spec do(atom(), string(), atom(), rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
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do(Module, Command, Provider, State) ->
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Options = rebar_state:command_args(State),
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DepsDir = rebar_dir:deps_dir(State),
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ProjectAppDirs = lists:delete(".", ?DEFAULT_PROJECT_APP_DIRS),
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LibDirs = rebar_utils:filtermap(fun ec_file:exists/1,
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[?DEFAULT_CHECKOUTS_DIR, DepsDir | ProjectAppDirs]),
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OutputDir = filename:join(rebar_dir:base_dir(State), ?DEFAULT_RELEASE_DIR),
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AllOptions = string:join([Command | Options], " "),
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Cwd = rebar_state:dir(State),
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Providers = rebar_state:providers(State),
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rebar_hooks:run_all_hooks(Cwd, pre, Provider, Providers, State),
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try
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case rebar_state:get(State, relx, []) of
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[] ->
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relx:main([{lib_dirs, LibDirs}
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,{caller, api} | output_dir(OutputDir, Options)], AllOptions);
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Config ->
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Config1 = update_config(Config),
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relx:main([{lib_dirs, LibDirs}
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,{config, Config1}
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,{caller, api} | output_dir(OutputDir, Options)], AllOptions)
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end,
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rebar_hooks:run_all_hooks(Cwd, post, Provider, Providers, State),
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{ok, State}
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catch
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throw:T ->
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{error, {Module, T}}
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end.
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-spec format_error(any()) -> iolist().
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format_error(Reason) ->
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io_lib:format("~p", [Reason]).
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%% To handle profiles rebar3 expects the provider to use the first entry
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%% in a configuration key-value list as the value of a key if dups exist.
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%% This does not work with relx. Some config options must not lose their
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%% order (release which has an extends option is one). So here we pull out
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%% options that are special so we can reverse the rest so what we expect
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%% from a rebar3 profile is what we get on the relx side.
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-define(SPECIAL_KEYS, [release, vm_args, sys_config, overlay_vars, lib_dirs]).
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update_config(Config) ->
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{Special, Other} =
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lists:foldl(fun(Tuple, {SpecialAcc, OtherAcc}) when is_tuple(Tuple) ->
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case lists:member(element(1, Tuple), ?SPECIAL_KEYS) of
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true ->
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{[Tuple | SpecialAcc], OtherAcc};
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false ->
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{SpecialAcc, [Tuple | OtherAcc]}
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end
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end, {[], []}, Config),
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lists:reverse(Special) ++ Other.
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%% Don't override output_dir if the user passed one on the command line
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output_dir(OutputDir, Options) ->
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[{output_dir, OutputDir} || not(lists:member("-o", Options))
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andalso not(lists:member("--output-dir", Options))].
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