1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
%%% -*- mode: Erlang; fill-column: 80; comment-column: 75; -*-
%%% Copyright 2012 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 Eric Merritt <[email protected]>
%%% @copyright (C) 2012 Erlware, LLC.
%%% @doc
-module(relcool).
-export([main/1, opt_spec_list/0]).
%%============================================================================
%% types
%%============================================================================
%%============================================================================
%% API
%%============================================================================
-spec main([string()]) -> ok.
main(Args) ->
OptSpecList = opt_spec_list(),
case rcl_cmd_args:args2state(getopt:parse(OptSpecList, Args)) of
{ok, {State, _Target}} ->
run_relcool_process(State);
Error={error, _} ->
report_error(Error)
end.
-spec opt_spec_list() -> [getopt:option_spec()].
opt_spec_list() ->
[
{relname, $n, "relname", string, "Specify the name for the release that will be generated"},
{relvsn, $v, "relvsn", string, "Specify the version for the release"},
{goals, $g, "goal", string, "Specify a target constraint on the system. These are "
"usually the OTP"},
{output_dir, $o, "output-dir", string, "The output directory for the release. This is `./` by default."},
{lib_dir, $l, "lib-dir", string, "Additional dirs that should be searched for OTP Apps"},
{log_level, $V, "verbose", {integer, 2}, "Verbosity level, maybe between 0 and 2"}
].
%%============================================================================
%% internal api
%%============================================================================
run_relcool_process(State) ->
rcl_log:info(rcl_state:log(State), "Starting relcool build process ..."),
rcl_log:debug(rcl_state:log(State),
fun() ->
rcl_state:format(State)
end),
run_providers(State).
%% @doc for now the 'config' provider is special in that it generates the
%% providers used by the rest of the system. We expect the config provider to be
%% the first provider in the system. Once the config provider is run, we get the
%% providers again and run the rest of them (because they could have been
%% updated by the config process).
run_providers(State0) ->
[ConfigProvider | _] = rcl_state:providers(State0),
State1 = run_provider(ConfigProvider, State0),
Providers = rcl_state:providers(State1),
case Providers of
[ConfigProvider | Rest] ->
%% IF the config provider is still the first provider do not run it
%% again just run the rest.
run_providers(Rest, State1);
_ ->
run_providers(Providers, State1)
end,
init:stop(0).
run_providers(Providers, State0) ->
lists:foldl(fun run_provider/2, State0, Providers).
-spec run_provider(rcl_provider:t(), rcl_state:t()) -> rcl_state:t().
run_provider(Provider, State0) ->
case rcl_provider:do(Provider, State0) of
{ok, State1} ->
State1;
E={error, _} ->
report_error(rcl_provider:format_error(Provider, E))
end.
-spec usage() -> ok.
usage() ->
getopt:usage(opt_spec_list(), "relcool", "[*release-specification-file*]").
-spec report_error(term()) -> none().
report_error(Error) ->
io:format("~s~n", [to_error(Error)]),
usage(),
erlang:halt(127).
-spec to_error(string() | {error, Reason::term()}) -> string().
to_error(String) when erlang:is_list(String) ->
String;
to_error({error,{invalid_option_arg, Arg}}) ->
case Arg of
{goals, Goal} ->
io_lib:format("Invalid Goal argument -g ~p~n", [Goal]);
{relname, RelName} ->
io_lib:format("Invalid Release Name argument -n ~p~n", [RelName]);
{relvsn, RelVsn} ->
io_lib:format("Invalid Release Version argument -n ~p~n", [RelVsn]);
{output_dir, Outdir} ->
io_lib:format("Invalid Output Directory argument -n ~p~n", [Outdir]);
{lib_dir, LibDir} ->
io_lib:format("Invalid Library Directory argument -n ~p~n", [LibDir]);
{log_level, LogLevel} ->
io_lib:format("Invalid Library Directory argument -n ~p~n", [LogLevel])
end;
to_error({error, {invalid_config_file, Config}}) ->
io_lib:format("Invalid configuration file specified: ~s", [Config]);
to_error({error, {failed_to_parse, Spec}}) ->
io_lib:format("Unable to parse spec ~s", [Spec]);
to_error({error, {unable_to_create_output_dir, OutputDir}}) ->
io_lib:format("Unable to create output directory (possible permissions issue): ~s",
[OutputDir]);
to_error({error, {not_directory, Dir}}) ->
io_lib:format("Library directory does not exist: ~s", [Dir]);
to_error({error, {invalid_log_level, LogLevel}}) ->
io_lib:format("Invalid log level specified -V ~p, log level must be in the"
" range 0..2", [LogLevel]);
to_error({error, Error}) ->
io_lib:format("~p~n", [Error]).
|
