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89 lines
3.6 KiB
Erlang
89 lines
3.6 KiB
Erlang
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
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%% ex: ts=4 sw=4 et
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%% -------------------------------------------------------------------
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%%
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%% rebar: Erlang Build Tools
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%%
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%% Copyright (c) 2015 Luis Rascao (luis.rascao@gmail.com)
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%%
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%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%% of this software and associated documentation files (the "Software"), to deal
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%% in the Software without restriction, including without limitation the rights
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%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%% copies of the Software, and to permit persons to whom the Software is
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%% furnished to do so, subject to the following conditions:
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%%
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%% The above copyright notice and this permission notice shall be included in
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%% all copies or substantial portions of the Software.
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%%
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%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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%% THE SOFTWARE.
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%% -------------------------------------------------------------------
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-module(rebar_otp_appup).
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-export([compile/2,
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clean/2]).
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%% for internal use only
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-export([info/2]).
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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 compile(rebar_config:config(), file:filename()) -> 'ok'.
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compile(Config, _AppFile) ->
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%% If we get an *.appup.src file, it needs to be pre-processed and
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%% written out as a ebin/*.appup file.
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Files = rebar_utils:find_files_by_ext("src", ".appup.src"),
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Targets = [filename:join("ebin",
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filename:rootname(filename:basename(F)))
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|| F <- Files],
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rebar_base_compiler:run(Config, [],
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lists:zip(Files, Targets),
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fun preprocess/3,
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[{check_last_mod, true}]).
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clean(Config, _AppFile) ->
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Files = rebar_utils:find_files_by_ext("ebin", ".appup"),
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rebar_file_utils:delete_each([Files]),
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{ok, Config}.
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%% ===================================================================
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%% Internal functions
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%% ===================================================================
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info(help, compile) ->
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?CONSOLE("Validate .appup.src file", []);
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info(help, clean) ->
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?CONSOLE("Delete .appup file if generated from .appup.src", []).
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preprocess(SourceFile, TargetFile, _Config) ->
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%% Perform basic validation on the appup file
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%% i.e. if a consult succeeds and basic appup
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%% structure exists.
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case rebar_config:consult_file(SourceFile) of
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%% The .appup syntax is described in
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%% http://erlang.org/doc/man/appup.html.
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{ok, [{_Vsn, UpFromVsn, DownToVsn} = AppUp]}
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when is_list(UpFromVsn), is_list(DownToVsn) ->
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case file:write_file(
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TargetFile,
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lists:flatten(io_lib:format("~p.", [AppUp]))) of
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{error, Reason} ->
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?ABORT("Failed writing to target file ~s due to ~s",
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[TargetFile, Reason]);
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ok -> ok
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end;
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{error, Reason} ->
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?ABORT("Failed to compile ~s: ~p~n", [SourceFile, Reason]);
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_ ->
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?ABORT("Failed to compile ~s, not an appup~n", [SourceFile])
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end.
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