mirror of
https://github.com/NixOS/nixpkgs.git
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37 lines
1.3 KiB
Nix
37 lines
1.3 KiB
Nix
{ stdenv, fetchurl }:
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let version = "4.2"; in
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stdenv.mkDerivation {
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name = "freefall-${version}";
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src = fetchurl {
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sha256 = "1syv8n5hwzdbx69rsj4vayyzskfq1w5laalg5jjd523my52f086g";
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url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
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};
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postPatch = ''
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cd tools/laptop/freefall
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# Default time-out is a little low, probably because the AC/lid status
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# functions were never implemented. Because no-one still uses HDDs, right?
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substituteInPlace freefall.c --replace "alarm(2)" "alarm(7)"
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'';
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makeFlags = "PREFIX=$(out)";
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meta = with stdenv.lib; {
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description = "Free-fall protection for spinning HP/Dell laptop hard drives";
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longDescription = ''
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Provides a shock protection facility in modern laptops with spinning hard
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drives, by stopping all input/output operations on the internal hard drive
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and parking its heads on the ramp when critical situations are anticipated.
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Requires support for the ATA/ATAPI-7 IDLE IMMEDIATE command with unload
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feature, which should cause the drive to switch to idle mode and unload the
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disk heads, and an accelerometer device. It has no effect on SSD devices!
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'';
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license = licenses.gpl2;
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platforms = with platforms; linux;
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maintainers = with maintainers; [ nckx ];
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};
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}
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