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Avoid passing more than one instance of ERL_LIBS to child processes

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This commit fixes issue #98 by removing the ERL_LIBS and REBAR_DEPS_DIR
from the list of environment variables exported by the rebar_port_compiler
plugin.
This commit is contained in:
Juan Jose Comellas 2013-06-13 16:31:28 -03:00
parent a94c968951
commit 4993a83820
1 changed files with 11 additions and 1 deletions
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12
src/rebar_port_compiler.erl
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@ -498,10 +498,20 @@ erts_dir() ->
os_env() ->
ReOpts = [{return, list}, {parts, 2}, unicode],
Os = [list_to_tuple(re:split(S, "=", ReOpts)) || S <- os:getenv()],
Os = [list_to_tuple(re:split(S, "=", ReOpts)) ||
S <- lists:filter(fun discard_deps_vars/1, os:getenv())],
%% Drop variables without a name (win32)
[T1 || {K, _V} = T1 <- Os, K =/= []].
%%
%% To avoid having multiple repetitions of the same environment variables
%% (ERL_LIBS), avoid exporting any variables that may cause conflict with
%% those exported by the rebar_deps module (ERL_LIBS, REBAR_DEPS_DIR)
%%
discard_deps_vars("ERL_LIBS=" ++ _Value) -> false;
discard_deps_vars("REBAR_DEPS_DIR=" ++ _Value) -> false;
discard_deps_vars(_Var) -> true.
select_compile_template(drv, Compiler) ->
select_compile_drv_template(Compiler);
select_compile_template(exe, Compiler) ->