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nixpkgs/pkgs/os-specific/linux/rfkill/udev.nix
T
Ihar Hrachyshka 567e8dfd8e treewide: clean up 'meta = with' pattern
This commit was created by a combination of scripts and tools:
- an ast-grep script to prefix things in meta with `lib.`,
- a modified nixf-diagnose / nixf combination to remove unused `with
lib;`, and
- regular nixfmt.

Co-authored-by: Wolfgang Walther <walther@technowledgy.de>
2025-12-10 18:09:49 +01:00

69 lines
1.5 KiB
Nix

{
lib,
stdenv,
replaceVarsWith,
udevCheckHook,
}:
# Provides a facility to hook into rfkill changes.
#
# Exemplary usage:
#
# Add this package to udev.packages, e.g.:
# udev.packages = [ pkgs.rfkill_udev ];
#
# Add a hook script in the managed etc directory, e.g.:
# etc."rfkill.hook" = {
# mode = "0755";
# text = ''
# #!${pkgs.runtimeShell}
#
# if [ "$RFKILL_STATE" -eq "1" ]; then
# exec ${config.system.build.upstart}/sbin/initctl emit -n antenna-on
# else
# exec ${config.system.build.upstart}/sbin/initctl emit -n antenna-off
# fi
# '';
# }
# Note: this package does not need the binaries
# in the rfkill package.
let
rfkillHook = replaceVarsWith {
replacements = { inherit (stdenv) shell; };
isExecutable = true;
src = ./rfkill-hook.sh;
};
in
stdenv.mkDerivation {
name = "rfkill-udev";
nativeBuildInputs = [
udevCheckHook
];
doInstallCheck = true;
dontUnpack = true;
dontBuild = true;
installPhase = ''
mkdir -p "$out/etc/udev/rules.d/";
cat > "$out/etc/udev/rules.d/90-rfkill.rules" << EOF
SUBSYSTEM=="rfkill", ATTR{type}=="wlan", RUN+="$out/bin/rfkill-hook.sh"
EOF
mkdir -p "$out/bin/";
cp ${rfkillHook} "$out/bin/rfkill-hook.sh"
'';
meta = {
homepage = "http://wireless.kernel.org/en/users/Documentation/rfkill";
description = "Rules+hook for udev to catch rfkill state changes";
mainProgram = "rfkill-hook.sh";
platforms = lib.platforms.linux;
license = lib.licenses.mit;
};
}