248 lines
6.9 KiB
Nix
248 lines
6.9 KiB
Nix
{ pkgs, buildEnv, runCommand, lib, stdenv, freebsd, binlore }:
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# These are some unix tools that are commonly included in the /usr/bin
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# and /usr/sbin directory under more normal distributions. Along with
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# coreutils, these are commonly assumed to be available by build
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# systems, but we can't assume they are available. In Nix, we list
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# each program by name directly through this unixtools attribute.
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# You should always try to use single binaries when available. For
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# instance, if your program needs to use "ps", just list it as a build
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# input, not "procps" which requires Linux.
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let
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inherit (lib)
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getBin
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getOutput
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mapAttrs
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platforms
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;
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version = "1003.1-2008";
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singleBinary = cmd: providers: let
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provider = providers.${stdenv.hostPlatform.parsed.kernel.name} or providers.linux;
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bin = "${getBin provider}/bin/${cmd}";
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manpage = "${getOutput "man" provider}/share/man/man1/${cmd}.1.gz";
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in runCommand "${cmd}-${provider.name}" {
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meta = {
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mainProgram = cmd;
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priority = 10;
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platforms = platforms.${stdenv.hostPlatform.parsed.kernel.name} or platforms.all;
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};
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passthru = { inherit provider; } // lib.optionalAttrs (builtins.hasAttr "binlore" providers) {
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binlore.out = (binlore.synthesize (getBin bins.${cmd}) providers.binlore);
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};
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preferLocalBuild = true;
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} ''
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if ! [ -x ${bin} ]; then
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echo Cannot find command ${cmd}
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exit 1
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fi
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mkdir -p $out/bin
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ln -s ${bin} $out/bin/${cmd}
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if [ -f ${manpage} ]; then
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mkdir -p $out/share/man/man1
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ln -s ${manpage} $out/share/man/man1/${cmd}.1.gz
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fi
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'';
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# more is unavailable in darwin
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# so we just use less
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more_compat = runCommand "more-${pkgs.less.name}" {} ''
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mkdir -p $out/bin
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ln -s ${pkgs.less}/bin/less $out/bin/more
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'';
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bins = mapAttrs singleBinary {
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# singular binaries
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arp = {
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linux = pkgs.nettools;
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darwin = pkgs.darwin.network_cmds;
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freebsd = pkgs.freebsd.arp;
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};
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col = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.text_cmds;
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};
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column = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.text_cmds;
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};
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eject = {
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linux = pkgs.util-linux;
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};
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getconf = {
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linux = if stdenv.hostPlatform.libc == "glibc" then pkgs.stdenv.cc.libc
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else pkgs.netbsd.getconf;
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darwin = pkgs.darwin.system_cmds;
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# I don't see any obvious arg exec in the doc/manpage
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binlore = ''
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execer cannot bin/getconf
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'';
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};
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getent = {
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linux = if stdenv.hostPlatform.libc == "glibc" then pkgs.stdenv.cc.libc.getent
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else pkgs.netbsd.getent;
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darwin = pkgs.netbsd.getent;
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freebsd = pkgs.freebsd.getent;
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};
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getopt = {
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linux = pkgs.util-linux;
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darwin = pkgs.getopt;
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};
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fdisk = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.diskdev_cmds;
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freebsd = pkgs.freebsd.fdisk;
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};
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fsck = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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hexdump = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.shell_cmds;
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};
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hostname = {
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linux = pkgs.nettools;
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darwin = pkgs.darwin.shell_cmds;
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freebsd = pkgs.freebsd.bin;
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};
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ifconfig = {
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linux = pkgs.nettools;
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darwin = pkgs.darwin.network_cmds;
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freebsd = pkgs.freebsd.ifconfig;
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};
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killall = {
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linux = pkgs.psmisc;
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darwin = pkgs.darwin.shell_cmds;
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};
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locale = {
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linux = pkgs.glibc;
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darwin = pkgs.darwin.adv_cmds;
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freebsd = pkgs.freebsd.locale;
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# technically just targeting glibc version
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# no obvious exec in manpage
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binlore = ''
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execer cannot bin/locale
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'';
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};
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logger = {
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linux = pkgs.util-linux;
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};
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more = {
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linux = pkgs.util-linux;
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darwin = more_compat;
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};
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mount = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.diskdev_cmds;
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freebsd = freebsd.mount;
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# technically just targeting the darwin version; binlore already
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# ids the util-linux copy as 'cannot'
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# no obvious exec in manpage args; I think binlore flags 'can'
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# on the code to run `mount_<filesystem>` variants
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binlore = ''
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execer cannot bin/mount
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'';
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};
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netstat = {
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linux = pkgs.nettools;
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darwin = pkgs.darwin.network_cmds;
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freebsd = pkgs.freebsd.netstat;
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};
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ping = {
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linux = pkgs.iputils;
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darwin = pkgs.darwin.network_cmds;
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freebsd = freebsd.ping;
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};
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ps = {
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linux = pkgs.procps;
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darwin = pkgs.darwin.ps;
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freebsd = pkgs.freebsd.bin;
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# technically just targeting procps ps (which ids as can)
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# but I don't see obvious exec in args; have yet to look
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# for underlying cause in source
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binlore = ''
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execer cannot bin/ps
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'';
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};
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quota = {
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linux = pkgs.linuxquota;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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route = {
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linux = pkgs.nettools;
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darwin = pkgs.darwin.network_cmds;
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freebsd = pkgs.freebsd.route;
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};
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script = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.shell_cmds;
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};
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sysctl = {
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linux = pkgs.procps;
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darwin = pkgs.darwin.system_cmds;
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freebsd = pkgs.freebsd.sysctl;
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};
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top = {
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linux = pkgs.procps;
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darwin = pkgs.darwin.top;
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freebsd = pkgs.freebsd.top;
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# technically just targeting procps top; haven't needed this in
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# any scripts so far, but overriding it for consistency with ps
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# override above and in procps. (procps also overrides 'free',
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# but it isn't included here.)
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binlore = ''
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execer cannot bin/top
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'';
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};
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umount = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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whereis = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.shell_cmds;
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};
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wall = {
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linux = pkgs.util-linux;
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};
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watch = {
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linux = pkgs.procps;
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# watch is the only command from procps that builds currently on
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# Darwin/FreeBSD. Unfortunately no other implementations exist currently!
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darwin = pkgs.callPackage ../os-specific/linux/procps-ng {};
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freebsd = pkgs.callPackage ../os-specific/linux/procps-ng {};
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};
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write = {
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linux = pkgs.util-linux;
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darwin = pkgs.darwin.basic_cmds;
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};
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xxd = {
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linux = pkgs.vim.xxd;
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darwin = pkgs.vim.xxd;
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freebsd = pkgs.vim.xxd;
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};
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};
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makeCompat = pname: paths:
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buildEnv {
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name = "${pname}-${version}";
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inherit paths;
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};
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# Compatibility derivations
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# Provided for old usage of these commands.
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compat = with bins; mapAttrs makeCompat {
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procps = [ ps sysctl top watch ];
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util-linux = [ fsck fdisk getopt hexdump mount
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script umount whereis write col column ];
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nettools = [ arp hostname ifconfig netstat route ];
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};
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in bins // compat
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