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43 行
1.1 KiB
43 行
1.1 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_resource).
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-export([]).
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-export_types([resource/0
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,type/0
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,location/0
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,ref/0]).
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-type resource() :: {type(), location(), ref()}.
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-type type() :: atom().
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-type location() :: string().
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-type ref() :: any().
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-ifdef(no_callback_support).
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%% In the case where R14 or lower is being used to compile the system
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%% we need to export a behaviour info
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-export([behaviour_info/1]).
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-spec behaviour_info(atom()) -> [{atom(), arity()}] | undefined.
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behaviour_info(callbacks) ->
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[{lock, 2},
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{download, 2},
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{needs_update,2},
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{make_vsn, 1}];
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behaviour_info(_) ->
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undefined.
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-else.
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-callback lock(file:filename_all(), tuple()) ->
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rebar_resource:resource().
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-callback download(file:filename_all(), tuple()) ->
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{tarball, file:filename_all()} | {ok, any()} | {error, any()}.
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-callback needs_update(file:filename_all(), tuple()) ->
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{tarball, file:filename_all()} | {ok, any()} | {error, any()}.
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-callback make_vsn(file:filename_all()) ->
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{plain, string()} | {error, string()}.
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-endif.
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