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nix-shell/pure: keep environment variable SHLVL

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Stefan Junker 2017-03-12 01:04:21 +01:00 committed by GitHub
parent ae568847f5
commit f628ca2a1f
1 changed files with 1 additions and 1 deletions
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src/nix-build/nix-build.cc
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@ -394,7 +394,7 @@ int main(int argc, char ** argv)
auto tmp = getEnv("TMPDIR", getEnv("XDG_RUNTIME_DIR", "/tmp"));
if (pure) {
std::set<string> keepVars{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL"};
std::set<string> keepVars{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL", "SHLVL"};
decltype(env) newEnv;
for (auto & i : env)
if (keepVars.count(i.first))