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

78 lines
2.5 KiB
Nix

{ lib, stdenv, fetchurl, fetchpatch, bison, flex, pam, perl
, sendmailPath ? "/run/wrappers/bin/sendmail"
, atWrapperPath ? "/run/wrappers/bin/at"
}:
stdenv.mkDerivation rec {
pname = "at";
version = "3.2.5";
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";
hash = "sha256-uwZrOJ18m7nYSjVzgDK4XDDLp9lJ91gZKtxyyUd/07g=";
};
patches = [
# Remove glibc assumption
(fetchpatch {
url = "https://raw.githubusercontent.com/riscv/riscv-poky/master/meta/recipes-extended/at/at/0001-remove-glibc-assumption.patch";
hash = "sha256-1UobqEZWoaq0S8DUDPuI80kTx0Gut2/VxDIwcKeGZOY=";
})
];
postPatch = ''
# Remove chown commands and setuid bit
substituteInPlace Makefile.in \
--replace ' -o root ' ' ' \
--replace ' -g root ' ' ' \
--replace ' -o $(DAEMON_USERNAME) ' ' ' \
--replace ' -o $(DAEMON_GROUPNAME) ' ' ' \
--replace ' -g $(DAEMON_GROUPNAME) ' ' ' \
--replace '$(DESTDIR)$(etcdir)' "$out/etc" \
--replace '$(DESTDIR)$(ATJOB_DIR)' "$out/var/spool/atjobs" \
--replace '$(DESTDIR)$(ATSPOOL_DIR)' "$out/var/spool/atspool" \
--replace '$(DESTDIR)$(LFILE)' "$out/var/spool/atjobs/.SEQ" \
--replace 'chown' '# skip chown' \
--replace '6755' '0755'
'';
nativeBuildInputs = [ bison flex perl /* for `prove` (tests) */ ];
buildInputs = [ pam ];
preConfigure =
''
export SENDMAIL=${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"
];
doCheck = true;
# 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 drops setuid perms.
postInstall = ''
sed -i "6i test -x ${atWrapperPath} && exec ${atWrapperPath} -qb now # exec doesn't return" "$out/bin/batch"
'';
meta = with lib; {
description = "The classical Unix `at' job scheduling command";
license = licenses.gpl2Plus;
homepage = "https://tracker.debian.org/pkg/at";
changelog = "https://salsa.debian.org/debian/at/-/raw/master/ChangeLog";
platforms = platforms.linux;
mainProgram = "at";
};
}