nixpkgs/pkgs/os-specific/linux/procps/watch.nix

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{ stdenv, fetchurl, ncurses }:
stdenv.mkDerivation {
name = "watch-0.2.0";
src = fetchurl {
url = http://procps.sourceforge.net/procps-3.2.8.tar.gz;
sha256 = "0d8mki0q4yamnkk4533kx8mc0jd879573srxhg6r2fs3lkc6iv8i";
};
buildInputs = [ ncurses ];
makeFlags = "watch usrbin_execdir=$(out)/bin" +
(if stdenv.isDarwin then " PKG_LDFLAGS=" else "");
enableParallelBuilding = true;
installPhase = "mkdir $out; mkdir -p $out/bin; cp -p watch $out/bin";
meta = {
homepage = https://sourceforge.net/projects/procps/;
description = "Utility for watch the output of a given command at intervals";
platforms = stdenv.lib.platforms.unix;
};
}