mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-30 16:36:29 +01:00
127 lines
3.9 KiB
Erlang
127 lines
3.9 KiB
Erlang
-module(override_deps_versions).
|
|
-export([preprocess/2, 'pre_update-deps'/2, new_replace/1, new_replace/0]).
|
|
|
|
preprocess(Config, _Dirs) ->
|
|
update_deps(Config).
|
|
|
|
update_deps(Config) ->
|
|
LocalDeps = rebar_config:get_local(Config, deps, []),
|
|
TopDeps = case rebar_config:get_xconf(Config, top_deps, []) of
|
|
[] -> LocalDeps;
|
|
Val -> Val
|
|
end,
|
|
Config2 = rebar_config:set_xconf(Config, top_deps, TopDeps),
|
|
NewDeps = lists:map(fun({Name, _, _} = Dep) ->
|
|
case lists:keyfind(Name, 1, TopDeps) of
|
|
false -> Dep;
|
|
TopDep -> TopDep
|
|
end
|
|
end, LocalDeps),
|
|
%io:format("LD ~p~n", [LocalDeps]),
|
|
%io:format("TD ~p~n", [TopDeps]),
|
|
|
|
Config3 = rebar_config:set(Config2, deps, NewDeps),
|
|
{ok, Config3, []}.
|
|
|
|
|
|
'pre_update-deps'(Config, _Dirs) ->
|
|
{ok, Config2, _} = update_deps(Config),
|
|
|
|
case code:is_loaded(old_rebar_config) of
|
|
false ->
|
|
{_, Beam, _} = code:get_object_code(rebar_config),
|
|
NBeam = rename(Beam, old_rebar_config),
|
|
code:load_binary(old_rebar_config, "blank", NBeam),
|
|
replace_mod(Beam);
|
|
_ ->
|
|
ok
|
|
end,
|
|
{ok, Config2}.
|
|
|
|
new_replace() ->
|
|
old_rebar_config:new().
|
|
new_replace(Config) ->
|
|
NC = old_rebar_config:new(Config),
|
|
{ok, Conf, _} = update_deps(NC),
|
|
Conf.
|
|
|
|
replace_mod(Beam) ->
|
|
{ok, {_, [{exports, Exports}]}} = beam_lib:chunks(Beam, [exports]),
|
|
Funcs = lists:filtermap(
|
|
fun({module_info, _}) ->
|
|
false;
|
|
({Name, Arity}) ->
|
|
Args = args(Arity),
|
|
Call = case Name of
|
|
new ->
|
|
[erl_syntax:application(
|
|
erl_syntax:abstract(override_deps_versions),
|
|
erl_syntax:abstract(new_replace),
|
|
Args)];
|
|
_ ->
|
|
[erl_syntax:application(
|
|
erl_syntax:abstract(old_rebar_config),
|
|
erl_syntax:abstract(Name),
|
|
Args)]
|
|
end,
|
|
{true, erl_syntax:function(erl_syntax:abstract(Name),
|
|
[erl_syntax:clause(Args, none,
|
|
Call)])}
|
|
end, Exports),
|
|
Forms0 = ([erl_syntax:attribute(erl_syntax:abstract(module),
|
|
[erl_syntax:abstract(rebar_config)])]
|
|
++ Funcs),
|
|
Forms = [erl_syntax:revert(Form) || Form <- Forms0],
|
|
%io:format("--------------------------------------------------~n"
|
|
% "~s~n",
|
|
% [[erl_pp:form(Form) || Form <- Forms]]),
|
|
{ok, Mod, Bin} = compile:forms(Forms, [report, export_all]),
|
|
code:purge(rebar_config),
|
|
{module, Mod} = code:load_binary(rebar_config, "mock", Bin).
|
|
|
|
|
|
args(0) ->
|
|
[];
|
|
args(N) ->
|
|
[arg(N) | args(N-1)].
|
|
|
|
arg(N) ->
|
|
erl_syntax:variable(list_to_atom("A"++integer_to_list(N))).
|
|
|
|
rename(BeamBin0, Name) ->
|
|
BeamBin = replace_in_atab(BeamBin0, Name),
|
|
update_form_size(BeamBin).
|
|
|
|
%% Replace the first atom of the atom table with the new name
|
|
replace_in_atab(<<"Atom", CnkSz0:32, Cnk:CnkSz0/binary, Rest/binary>>, Name) ->
|
|
replace_first_atom(<<"Atom">>, Cnk, CnkSz0, Rest, latin1, Name);
|
|
replace_in_atab(<<"AtU8", CnkSz0:32, Cnk:CnkSz0/binary, Rest/binary>>, Name) ->
|
|
replace_first_atom(<<"AtU8">>, Cnk, CnkSz0, Rest, unicode, Name);
|
|
replace_in_atab(<<C, Rest/binary>>, Name) ->
|
|
<<C, (replace_in_atab(Rest, Name))/binary>>.
|
|
|
|
replace_first_atom(CnkName, Cnk, CnkSz0, Rest, Encoding, Name) ->
|
|
<<NumAtoms:32, NameSz0:8, _Name0:NameSz0/binary, CnkRest/binary>> = Cnk,
|
|
NumPad0 = num_pad_bytes(CnkSz0),
|
|
<<_:NumPad0/unit:8, NextCnks/binary>> = Rest,
|
|
NameBin = atom_to_binary(Name, Encoding),
|
|
NameSz = byte_size(NameBin),
|
|
CnkSz = CnkSz0 + NameSz - NameSz0,
|
|
NumPad = num_pad_bytes(CnkSz),
|
|
<<CnkName/binary, CnkSz:32, NumAtoms:32, NameSz:8, NameBin:NameSz/binary,
|
|
CnkRest/binary, 0:NumPad/unit:8, NextCnks/binary>>.
|
|
|
|
|
|
%% Calculate the number of padding bytes that have to be added for the
|
|
%% BinSize to be an even multiple of ?beam_num_bytes_alignment.
|
|
num_pad_bytes(BinSize) ->
|
|
case 4 - (BinSize rem 4) of
|
|
4 -> 0;
|
|
N -> N
|
|
end.
|
|
|
|
%% Update the size within the top-level form
|
|
update_form_size(<<"FOR1", _OldSz:32, Rest/binary>> = Bin) ->
|
|
Sz = size(Bin) - 8,
|
|
<<"FOR1", Sz:32, Rest/binary>>.
|