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Allow def-env to hide environment variables (#921)

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This commit is contained in:
Jakub Žádník
2022-02-04 20:02:03 +02:00
committed by GitHub
parent dd2d601471
commit fefd5fef12
3 changed files with 62 additions and 1 deletions
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16
crates/nu-engine/src/eval.rs
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@ -133,14 +133,28 @@ fn eval_call(
}
}
}
let result = eval_block(engine_state, &mut callee_stack, block, input);
if block.redirect_env {
let caller_env_vars = caller_stack.get_env_var_names(engine_state);
// remove env vars that are present in the caller but not in the callee
// (the callee hid them)
for var in caller_env_vars.iter() {
if !callee_stack.has_env_var(engine_state, var) {
caller_stack.remove_env_var(engine_state, var);
}
}
// add new env vars from callee to caller
for env_vars in callee_stack.env_vars {
for (var, value) in env_vars {
caller_stack.add_env_var(var, value)
caller_stack.add_env_var(var, value);
}
}
}
result
} else {
// We pass caller_stack here with the knowledge that internal commands