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