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%% -*- 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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%% -------------------------------------------------------------------
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-module(rebar_fetch).
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-export([lock_source/2,
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download_source/2,
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needs_update/2]).
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-export([format_error/1]).
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-include("rebar.hrl").
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-include_lib("providers/include/providers.hrl").
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-spec lock_source(rebar_app_info:t(), rebar_state:t())
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-> rebar_resource_v2:source() | {error, string()}.
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lock_source(AppInfo, State) ->
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rebar_resource_v2:lock(AppInfo, State).
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-spec download_source(rebar_app_info:t(), rebar_state:t())
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-> rebar_app_info:t() | {error, any()}.
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download_source(AppInfo, State) ->
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AppDir = rebar_app_info:dir(AppInfo),
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try download_source_(AppInfo, State) of
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ok ->
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%% freshly downloaded, update the app info opts to reflect the new config
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Config = rebar_config:consult(AppDir),
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AppInfo1 = rebar_app_info:update_opts(AppInfo, rebar_app_info:opts(AppInfo), Config),
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case rebar_app_discover:find_app(AppInfo1, AppDir, all) of
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{true, AppInfo2} ->
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rebar_app_info:is_available(AppInfo2, true);
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false ->
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throw(?PRV_ERROR({dep_app_not_found, rebar_app_info:name(AppInfo1)}))
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end;
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{error, Reason} ->
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throw(?PRV_ERROR(Reason))
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catch
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%% if already a PRV_ERROR format just re-raise it
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?WITH_STACKTRACE(error, {error, {Module, Reason}}, S)
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erlang:raise(error, {error, {Module, Reason}}, S);
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throw:{no_resource, Type, Location} ->
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throw(?PRV_ERROR({no_resource, Location, Type}));
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?WITH_STACKTRACE(C,T,S)
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?DIAGNOSTIC("rebar_fetch exception ~p ~p ~p", [C, T, S]),
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throw(?PRV_ERROR({fetch_fail, rebar_app_info:source(AppInfo)}))
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end.
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download_source_(AppInfo, State) ->
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AppDir = rebar_app_info:dir(AppInfo),
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TmpDir = ec_file:insecure_mkdtemp(),
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AppDir1 = rebar_utils:to_list(AppDir),
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case rebar_resource_v2:download(TmpDir, AppInfo, State) of
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ok ->
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ec_file:mkdir_p(AppDir1),
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code:del_path(filename:absname(filename:join(AppDir1, "ebin"))),
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FetchDir = rebar_app_info:fetch_dir(AppInfo),
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ok = rebar_file_utils:rm_rf(filename:absname(FetchDir)),
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?DIAGNOSTIC("Moving checkout ~p to ~p", [TmpDir, filename:absname(FetchDir)]),
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rebar_file_utils:mv(TmpDir, filename:absname(FetchDir));
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Error ->
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Error
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end.
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-spec needs_update(rebar_app_info:t(), rebar_state:t())
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-> boolean() | {error, string()}.
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needs_update(AppInfo, State) ->
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try
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rebar_resource_v2:needs_update(AppInfo, State)
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catch
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_:_ ->
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true
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end.
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format_error({fetch_fail, Name, Vsn}) ->
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io_lib:format("Failed to fetch and copy dep: ~ts-~ts", [Name, Vsn]);
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format_error({fetch_fail, Source}) ->
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io_lib:format("Failed to fetch and copy dep: ~p", [Source]);
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format_error({dep_app_not_found, AppName}) ->
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io_lib:format("Dependency failure: source for ~ts does not contain a "
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"recognizable project and can not be built", [AppName]).
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