ce980895b2
This PR fixes a bug on Windows with `IO.Process.spawn` where setting an environment variable to the empty string would not set the environment variable on the subprocess.
18 lines
560 B
Text
18 lines
560 B
Text
/--
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Tests that spawning a process with a environment variable configured to the
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empty string correctly sets the environment variable on the subprocess on
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all platforms. Previously, this was broken on Windows.
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-/
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def test : IO String := do
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let var := "TEST_VAR"
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let out ← IO.Process.output {
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cmd := "printenv"
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args := #[var]
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env := #[(var, some "")]
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}
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unless out.exitCode == 0 do
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throw <| .userError "environment variable not set"
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return out.stdout.trimAsciiEnd.copy -- trim ending newline
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/-- info: "" -/
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#guard_msgs in #eval test
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