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nixos/qemu-vm: sanitize generated environment variable name

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This commit is contained in:
Sam Hug 2022-04-09 11:51:07 -07:00
parent d5253dd45d
commit cdef7bcb5b
1 changed files with 6 additions and 2 deletions
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8
nixos/modules/virtualisation/qemu-vm.nix
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@ -853,8 +853,12 @@ in
(mkIf (pkgs.stdenv.isAarch32 || pkgs.stdenv.isAarch64) [
"-device virtio-gpu-pci" "-device usb-ehci,id=usb0" "-device usb-kbd" "-device usb-tablet"
])
(mkIf (!cfg.useBootLoader) [
"-kernel \${NIXPKGS_QEMU_KERNEL_${config.system.name}:-${config.system.build.toplevel}/kernel}"
(let
alphaNumericChars = lowerChars ++ upperChars ++ (map toString (range 0 9));
# Replace all non-alphanumeric characters with underscores
sanitizeShellIdent = s: concatMapStrings (c: if builtins.elem c alphaNumericChars then c else "_") (stringToCharacters s);
in mkIf (!cfg.useBootLoader) [
"-kernel \${NIXPKGS_QEMU_KERNEL_${sanitizeShellIdent config.system.name}:-${config.system.build.toplevel}/kernel}"
"-initrd ${config.system.build.toplevel}/initrd"
''-append "$(cat ${config.system.build.toplevel}/kernel-params) init=${config.system.build.toplevel}/init regInfo=${regInfo}/registration ${consoles} $QEMU_KERNEL_PARAMS"''
])