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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
%% -*- erlang-indent-level: 4; indent-tabs-mode: nil; fill-column: 80 -*-
%%% 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 This module represents useful, relevant information about an
%%% application. The relevant information is.
%%%
%%% <ul>
%%% <li> Name - The application name as an atom </li>
%%% <li> Vsn - The application version as a list </li>
%%% <li> The root directory of the application. The directory that contains the
%%% ebin/src/priv etc </li>
%%% <li> Active Deps - The Active or 'application' dependencies of the OTP
%%% App. That is the things in the 'applications' property of the application
%%% metadata </li>
%%% <li> Library Deps - The Inactive or Library dependencies of the ATP
%%% app. That is the things in the 'included_applications property of the
%%% application metadata.
%%% </ul>
%%%
-module(rlx_app_info).
-export([new/0,
new/5,
name/1,
name/2,
original_vsn/1,
vsn/1,
vsn/2,
vsn_as_string/1,
dir/1,
dir/2,
active_deps/1,
active_deps/2,
library_deps/1,
library_deps/2,
link/1,
link/2,
format_error/1,
format/2,
format/1]).
-export_type([t/0]).
-include("relx.hrl").
-record(app_info_t, {name :: atom(),
original_vsn :: string(),
vsn :: ec_semver:semver(),
dir :: file:name(),
link=false :: boolean(),
active_deps=[]:: [atom()],
library_deps=[] :: [atom()]}).
%%============================================================================
%% types
%%============================================================================
-opaque t() :: #app_info_t{}.
%%============================================================================
%% API
%% ============================================================================
%% @doc Build a new, empty, app info value. This is not of a lot of use and you
%% probably wont be doing this much.
-spec new() -> {ok, t()}.
new() ->
{ok, #app_info_t{}}.
%% @doc build a complete version of the app info with all fields set.
-spec new(atom(), string(), file:name(), [atom()], [atom()]) ->
{ok, t()} | relx:error().
new(AppName, Vsn, Dir, ActiveDeps, LibraryDeps) ->
new(AppName, Vsn, Dir, ActiveDeps, LibraryDeps, false).
%% @doc build a complete version of the app info with all fields set.
-spec new(atom(), string(), file:name(), [atom()], [atom()], boolean()) ->
{ok, t()} | relx:error().
new(AppName, Vsn, Dir, ActiveDeps, LibraryDeps, Link)
when erlang:is_atom(AppName),
erlang:is_list(ActiveDeps),
erlang:is_list(LibraryDeps) ->
case parse_version(Vsn) of
{fail, _} ->
?RLX_ERROR({vsn_parse, AppName});
ParsedVsn ->
{ok, #app_info_t{name=AppName, original_vsn=Vsn,
vsn=ParsedVsn,
dir=Dir,
active_deps=ActiveDeps,
library_deps=LibraryDeps,
link=Link}}
end.
-spec name(t()) -> atom().
name(#app_info_t{name=Name}) ->
Name.
-spec name(t(), atom()) -> t().
name(AppInfo=#app_info_t{}, AppName)
when erlang:is_atom(AppName) ->
AppInfo#app_info_t{name=AppName}.
-spec vsn(t()) -> ec_semver:semver().
vsn(#app_info_t{vsn=Vsn}) ->
Vsn.
-spec original_vsn(t()) -> string().
original_vsn(#app_info_t{original_vsn=Vsn}) ->
Vsn.
-spec vsn_as_string(t()) -> string().
vsn_as_string(#app_info_t{vsn=Vsn}) ->
erlang:binary_to_list(erlang:iolist_to_binary(ec_semver:format(Vsn))).
-spec vsn(t(), string()) -> {ok, t()} | relx:error().
vsn(AppInfo=#app_info_t{name=AppName}, AppVsn)
when erlang:is_list(AppVsn) ->
case parse_version(AppVsn) of
{fail, _} ->
?RLX_ERROR({vsn_parse, AppName});
ParsedVsn ->
{ok, AppInfo#app_info_t{vsn=ParsedVsn}}
end.
-spec dir(t()) -> file:name().
dir(#app_info_t{dir=Dir}) ->
Dir.
-spec dir(t(), file:name()) -> t().
dir(AppInfo=#app_info_t{}, Dir) ->
AppInfo#app_info_t{dir=Dir}.
-spec active_deps(t()) -> [atom()].
active_deps(#app_info_t{active_deps=Deps}) ->
Deps.
-spec active_deps(t(), [atom()]) -> t().
active_deps(AppInfo=#app_info_t{}, ActiveDeps)
when erlang:is_list(ActiveDeps) ->
AppInfo#app_info_t{active_deps=ActiveDeps}.
-spec library_deps(t()) -> [atom()].
library_deps(#app_info_t{library_deps=Deps}) ->
Deps.
-spec library_deps(t(), [atom()]) -> t().
library_deps(AppInfo=#app_info_t{}, LibraryDeps)
when erlang:is_list(LibraryDeps) ->
AppInfo#app_info_t{library_deps=LibraryDeps}.
-spec link(t()) -> boolean().
link(#app_info_t{link=Link}) ->
Link.
-spec link(t(), boolean()) -> t().
link(AppInfo, NewLink) ->
AppInfo#app_info_t{link=NewLink}.
-spec format_error(Reason::term()) -> iolist().
format_error({vsn_parse, AppName}) ->
io_lib:format("Error parsing version for ~p",
[AppName]).
-spec format(t()) -> iolist().
format(AppInfo) ->
format(0, AppInfo).
-spec format(non_neg_integer(), t()) -> iolist().
format(Indent, #app_info_t{name=Name, vsn=Vsn, dir=Dir,
active_deps=Deps, library_deps=LibDeps,
link=Link}) ->
[rlx_util:indent(Indent), erlang:atom_to_list(Name), "-", ec_semver:format(Vsn),
": ", Dir, "\n",
rlx_util:indent(Indent + 1), "Symlink: ", erlang:atom_to_list(Link), "\n",
rlx_util:indent(Indent + 1), "Active Dependencies:\n",
[[rlx_util:indent(Indent + 2), erlang:atom_to_list(Dep), ",\n"] || Dep <- Deps],
rlx_util:indent(Indent + 1), "Library Dependencies:\n",
[[rlx_util:indent(Indent + 2), erlang:atom_to_list(LibDep), ",\n"] || LibDep <- LibDeps]].
%%%===================================================================
%%% Internal Functions
%%%===================================================================
parse_version(Vsn)
when erlang:is_list(Vsn) ->
ec_semver:parse(Vsn);
parse_version(Vsn = {_, {_, _}}) ->
Vsn.
|
