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{ pkgs, buildEnv, runCommand, hostPlatform }:
# These are some unix tools that are commonly included in the /usr/bin
# and /usr/sbin directory under more normal distributions. Along with
# coreutils, these are commonly assumed to be available by build
# systems, but we can't assume they are available. In Nix, we list
# each program by name directly through this unixtools attribute.
# You should always try to use single binaries when available. For
# instance, if your program needs to use "ps", just list it as a build
# input, not "procps" which requires Linux.
let
singleBinary = cmd: providers: let
provider = "${providers.${hostPlatform.parsed.kernel.name} or "missing-package"}/bin/${cmd}";
in runCommand cmd {
meta.platforms = map (n: { kernel.name = n; }) (pkgs.lib.attrNames providers);
} ''
mkdir -p $out/bin
if ! [ -x "${provider}" ]; then
echo "Cannot find command ${cmd}"
exit 1
fi
cp "${provider}" "$out/bin/${cmd}"
'';
in rec {
# more is unavailable in darwin
# just use less
more_compat = runCommand "more" {} ''
mkdir -p $out/bin
ln -s ${pkgs.less}/bin/less $out/bin/more
'';
# singular binaries
arp = singleBinary "arp" {
linux = pkgs.nettools;
darwin = pkgs.darwin.network_cmds;
};
eject = singleBinary "eject" {
linux = pkgs.utillinux;
};
getconf = singleBinary "getconf" {
linux = pkgs.musl-getconf;
darwin = pkgs.darwin.system_cmds;
};
getent = singleBinary "getconf" {
linux = pkgs.musl-getent;
};
getopt = singleBinary "getopt" {
linux = pkgs.utillinux;
darwin = pkgs.getopt;
};
hexdump = singleBinary "hexdump" {
linux = pkgs.procps;
darwin = pkgs.darwin.shell_cmds;
};
hostname = singleBinary "hostname" {
linux = pkgs.nettools;
darwin = pkgs.darwin.shell_cmds;
};
ifconfig = singleBinary "ifconfig" {
linux = pkgs.nettools;
darwin = pkgs.darwin.network_cmds;
};
logger = singleBinary "logger" {
linux = pkgs.utillinux;
};
modprobe = singleBinary "modprobe" {
linux = pkgs.utillinux;
};
more = singleBinary "more" {
linux = pkgs.utillinux;
darwin = more_compat;
};
mount = singleBinary "mount" {
linux = pkgs.utillinux;
};
netstat = singleBinary "netstat" {
linux = pkgs.nettools;
darwin = pkgs.darwin.network_cmds;
};
ping = singleBinary "ping" {
linux = pkgs.iputils;
darwin = pkgs.darwin.network_cmds;
};
ps = singleBinary "ps" {
linux = pkgs.procps;
darwin = pkgs.darwin.ps;
};
route = singleBinary "route" {
linux = pkgs.nettools;
darwin = pkgs.darwin.network_cmds;
};
script = singleBinary "script" {
linux = pkgs.utillinux;
darwin = pkgs.darwin.shell_cmds;
};
sysctl = singleBinary "sysctl" {
linux = pkgs.procps;
darwin = pkgs.darwin.system_cmds;
};
umount = singleBinary "umount" {
linux = pkgs.utillinux;
};
whereis = singleBinary "whereis" {
linux = pkgs.utillinux;
darwin = pkgs.darwin.shell_cmds;
};
wall = singleBinary "wall" {
linux = pkgs.utillinux;
};
write = singleBinary "write" {
linux = pkgs.utillinux;
darwin = pkgs.darwin.basic_cmds;
};
# Compatibility derivations
# Provided for old usage of these commands.
procps = buildEnv {
name = "procps-compat";
paths = [ sysctl ps ];
};
utillinux = buildEnv {
name = "utillinux-compat";
paths = [ getopt hexdump script whereis write ];
};
nettools = buildEnv {
name = "nettools-compat";
paths = [ arp hostname netstat route ];
};
}
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