146 lines
3.6 KiB
Nix
146 lines
3.6 KiB
Nix
{ pkgs, buildEnv, runCommand, hostPlatform, lib }:
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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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singleBinary = cmd: providers: let
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provider = "${lib.getBin providers.${hostPlatform.parsed.kernel.name}}/bin/${cmd}";
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in runCommand cmd {
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meta.platforms = map (n: { kernel.name = n; }) (pkgs.lib.attrNames providers);
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} ''
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mkdir -p $out/bin
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if ! [ -x "${provider}" ]; then
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echo "Cannot find command ${cmd}"
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exit 1
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fi
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ln -s "${provider}" "$out/bin/${cmd}"
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'';
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# more is unavailable in darwin
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# just use less
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more_compat = runCommand "more" {} ''
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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 = lib.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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};
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col = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.text_cmds;
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};
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eject = {
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linux = pkgs.utillinux;
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};
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getopt = {
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linux = pkgs.utillinux;
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darwin = pkgs.getopt;
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};
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fdisk = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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fsck = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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hexdump = {
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linux = pkgs.utillinux;
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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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};
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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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};
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logger = {
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linux = pkgs.utillinux;
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};
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more = {
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linux = pkgs.utillinux;
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darwin = more_compat;
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};
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mount = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.diskdev_cmds;
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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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};
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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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};
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ps = {
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linux = pkgs.procps;
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darwin = pkgs.darwin.ps;
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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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};
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script = {
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linux = pkgs.utillinux;
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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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};
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top = {
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linux = pkgs.procps;
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darwin = pkgs.darwin.top;
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};
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umount = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.diskdev_cmds;
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};
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whereis = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.shell_cmds;
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};
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wall = {
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linux = pkgs.utillinux;
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};
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write = {
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linux = pkgs.utillinux;
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darwin = pkgs.darwin.basic_cmds;
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};
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};
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makeCompat = name': value: buildEnv {
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name = name' + "-compat";
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paths = value;
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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; lib.mapAttrs makeCompat {
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procps = [ ps sysctl top ];
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utillinux = [ fsck fdisk getopt hexdump mount
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script umount whereis write col ];
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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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