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%% -*- erlang-indent-level: 4; indent-tabs-mode: nil; fill-column: 80 -*-
%%% Copyright 2014 Erlware, LLC. All Rights Reserved.
%%%
%%% This file is provided to you under the Apache License,
%%% Version 2.0 (the "License"); you may not use this file
%%% except in compliance with the License. You may obtain
%%% a copy of the License at
%%%
%%% http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing,
%%% software distributed under the License is distributed on an
%%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
%%% KIND, either express or implied. See the License for the
%%% specific language governing permissions and limitations
%%% under the License.
%%%---------------------------------------------------------------------------
%%% @author Tristan Sloughter <[email protected]>
%%% @copyright (C) 2014 Erlware, LLC.
%%%
%%% @doc Given a complete built release this provider assembles that release
%%% into a release directory.
-module(rlx_prv_relup).
-behaviour(rlx_provider).
-export([init/1,
do/1,
format_error/1]).
-include("relx.hrl").
%%============================================================================
%% API
%%============================================================================
-spec init(rlx_state:t()) -> {ok, rlx_state:t()}.
init(State) ->
{ok, State}.
-spec do(rlx_state:t()) -> {ok, rlx_state:t()} | relx:error().
do(State) ->
{RelName, RelVsn} = rlx_state:default_configured_release(State),
Release0 = rlx_state:get_realized_release(State, RelName, RelVsn),
make_relup(State, Release0).
format_error({relup_generation_error, CurrentName, UpFromName}) ->
io_lib:format("Unknown internal release error generating the relup from ~s to ~s",
[UpFromName, CurrentName]);
format_error({relup_generation_warning, Module, Warnings}) ->
["Warnings generating relup \s",
rlx_util:indent(2), Module:format_warning(Warnings)];
format_error({no_upfrom_release_found, undefined}) ->
io_lib:format("No earlier release for relup found", []);
format_error({no_upfrom_release_found, Vsn}) ->
io_lib:format("Upfrom release version (~s) for relup not found", [Vsn]);
format_error({relup_script_generation_error,
{relup_script_generation_error, systools_relup,
{missing_sasl, _}}}) ->
"Unfortunately, due to requirements in systools, you need to have the sasl application "
"in both the current release and the release to upgrade from.";
format_error({relup_script_generation_error, Module, Errors}) ->
["Errors generating relup \n",
rlx_util:indent(2), Module:format_error(Errors)].
make_relup(State, Release) ->
Vsn = rlx_state:upfrom(State),
UpFrom =
case Vsn of
undefined ->
get_last_release(State, Release);
Vsn ->
get_up_release(State, Release, Vsn)
end,
case UpFrom of
undefined ->
?RLX_ERROR({no_upfrom_release_found, Vsn});
_ ->
make_upfrom_script(State, Release, UpFrom)
end.
get_last_release(State, Release) ->
Releases0 = [Rel || {{_, _}, Rel} <- ec_dictionary:to_list(rlx_state:realized_releases(State))],
Releases1 = lists:sort(fun(R1, R2) ->
ec_semver:lte(rlx_release:vsn(R1),
rlx_release:vsn(R2))
end, Releases0),
Res = lists:foldl(fun(_Rel, R = {found, _}) ->
R;
(Rel, Prev) ->
case rlx_release:vsn(Rel) == rlx_release:vsn(Release) of
true ->
{found, Prev};
false ->
Rel
end
end, undefined, Releases1),
case Res of
{found, R} ->
R;
Else ->
Else
end.
get_up_release(State, Release, Vsn) ->
Name = rlx_release:name(Release),
try
ec_dictionary:get({Name, Vsn}, rlx_state:realized_releases(State))
catch
throw:not_found ->
undefined
end.
make_upfrom_script(State, Release, UpFrom) ->
OutputDir = rlx_state:output_dir(State),
Options = [{outdir, OutputDir},
{path, rlx_util:get_code_paths(Release, OutputDir) ++
rlx_util:get_code_paths(UpFrom, OutputDir)},
silent],
CurrentRel = strip_rel(rlx_release:relfile(Release)),
UpFromRel = strip_rel(rlx_release:relfile(UpFrom)),
ec_cmd_log:debug(rlx_state:log(State),
"systools:make_relup(~p, ~p, ~p, ~p)",
[CurrentRel, UpFromRel, UpFromRel, Options]),
case rlx_util:make_script(Options,
fun(CorrectOptions) ->
systools:make_relup(CurrentRel, [UpFromRel], [UpFromRel], CorrectOptions)
end) of
ok ->
ec_cmd_log:error(rlx_state:log(State),
"relup from ~s to ~s successfully created!",
[UpFromRel, CurrentRel]),
{ok, State};
error ->
?RLX_ERROR({relup_script_generation_error, CurrentRel, UpFromRel});
{ok, RelUp, _, []} ->
ec_cmd_log:error(rlx_state:log(State),
"relup successfully created!"),
write_relup_file(State, Release, RelUp),
{ok, State};
{ok,_, Module,Warnings} ->
?RLX_ERROR({relup_script_generation_warn, Module, Warnings});
{error,Module,Errors} ->
?RLX_ERROR({relup_script_generation_error, Module, Errors})
end.
write_relup_file(State, Release, Relup) ->
OutDir = rlx_util:release_output_dir(State, Release),
RelupFile = filename:join(OutDir, "relup"),
ok = ec_file:write_term(RelupFile, Relup).
strip_rel(Name) ->
rlx_util:to_string(filename:join(filename:dirname(Name),
filename:basename(Name, ".rel"))).
|
