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nixos/test-driver: fix graphics for VM

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`-nographic` should only be set if no display is available. Otherwise,
tools such as `nixos-build-vms(8)` will never open up a graphical
display.
This commit is contained in:
Maximilian Bosch
2021-08-20 12:00:40 +02:00
committed by David Arnold
parent b2e59bcf77
commit 3f63e3ce65
1 changed files with 1 additions and 1 deletions
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2
nixos/lib/test-driver/test-driver.py
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@@ -246,7 +246,7 @@ class StartCommand:
) -> str: ) -> str:
display_opts = "" display_opts = ""
display_available = any(x in os.environ for x in ["DISPLAY", "WAYLAND_DISPLAY"]) display_available = any(x in os.environ for x in ["DISPLAY", "WAYLAND_DISPLAY"])
if display_available: if not display_available:
display_opts += " -nographic" display_opts += " -nographic"
# qemu options # qemu options