46 lines
1.7 KiB
Nix
46 lines
1.7 KiB
Nix
{ stdenv, fetchurl, pkgconfig, libcap, readline, texinfo, nss, nspr }:
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assert stdenv.isLinux -> libcap != null;
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stdenv.mkDerivation rec {
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name = "chrony-${version}";
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version = "2.3";
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src = fetchurl {
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url = "http://download.tuxfamily.org/chrony/${name}.tar.gz";
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sha256 = "1cncjapm98hv1nyrqlanjpz8k5ny6rp4vnf0gjl0zyqj619gpgsq";
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};
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buildInputs = [ readline texinfo nss nspr ] ++ stdenv.lib.optional stdenv.isLinux libcap;
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nativeBuildInputs = [ pkgconfig ];
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configureFlags = [
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"--chronyvardir=$(out)/var/lib/chrony"
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];
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meta = with stdenv.lib; {
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description = "Sets your computer's clock from time servers on the Net";
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homepage = http://chrony.tuxfamily.org/;
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repositories.git = git://git.tuxfamily.org/gitroot/chrony/chrony.git;
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license = licenses.gpl2;
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platforms = with platforms; linux ++ freebsd ++ openbsd;
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maintainers = with maintainers; [ rickynils fpletz ];
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longDescription = ''
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Chronyd is a daemon which runs in background on the system. It obtains
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measurements via the network of the system clock’s offset relative to
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time servers on other systems and adjusts the system time accordingly.
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For isolated systems, the user can periodically enter the correct time by
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hand (using Chronyc). In either case, Chronyd determines the rate at
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which the computer gains or loses time, and compensates for this. Chronyd
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implements the NTP protocol and can act as either a client or a server.
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Chronyc provides a user interface to Chronyd for monitoring its
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performance and configuring various settings. It can do so while running
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on the same computer as the Chronyd instance it is controlling or a
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different computer.
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'';
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};
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}
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