nixpkgs/pkgs/tools/system/at/default.nix

50 lines
1.5 KiB
Nix

{ fetchurl, stdenv, bison, flex, pam
, sendmailPath ? "/run/wrappers/bin/sendmail"
, atWrapperPath ? "/run/wrappers/bin/at"
}:
stdenv.mkDerivation rec {
name = "at-${version}";
version = "3.1.20";
src = fetchurl {
# Debian is apparently the last location where it can be found.
url = "mirror://debian/pool/main/a/at/at_${version}.orig.tar.gz";
sha256 = "1fgsrqpx0r6qcjxmlsqnwilydhfxn976c870mjc0n1bkmcy94w88";
};
patches = [ ./install.patch ];
buildInputs =
[ bison flex pam ];
preConfigure =
''
export SENDMAIL=${sendmailPath}
# Purity: force atd.pid to be placed in /var/run regardless of
# whether it exists now.
substituteInPlace ./configure --replace "test -d /var/run" "true"
'';
configureFlags =
''
--with-etcdir=/etc/at
--with-jobdir=/var/spool/atjobs --with-atspool=/var/spool/atspool
--with-daemon_username=atd --with-daemon_groupname=atd
'';
# Ensure that "batch" can invoke the setuid "at" wrapper, if it exists, or
# else we get permission errors (on NixOS). "batch" is a shell script, so
# when the kernel executes it it drops setuid perms.
postInstall = ''
sed -i "6i test -x ${atWrapperPath} && exec ${atWrapperPath} -qb now # exec doesn't return" "$out/bin/batch"
'';
meta = {
description = ''The classical Unix `at' job scheduling command'';
license = stdenv.lib.licenses.gpl2Plus;
homepage = https://packages.qa.debian.org/at;
platforms = stdenv.lib.platforms.linux;
};
}