parent
8b2fcb5336
commit
225fc6fe51
@ -0,0 +1,85 @@ |
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{ lib, pkgs, config, ...}: |
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let |
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inherit (lib) mkOption mkEnableOption types mapAttrsToList; |
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inherit (pkgs.pseudofile) dir symlink; |
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inherit (lib.strings) toUpper; |
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|
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attrs = { options, applets } : |
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let |
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extraOptions = builtins.concatStringsSep "\n" |
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(mapAttrsToList (n: v: "CONFIG_${toUpper n} ${toString v}") options); |
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appletOptions = builtins.concatStringsSep "\n" |
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(map (n: "CONFIG_${toUpper n} y") applets); |
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in { |
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enableMinimal = true; |
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extraConfig = '' |
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${extraOptions} |
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${appletOptions} |
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''; |
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}; |
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cfg = config.programs.busybox; |
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busybox = pkgs.busybox.override (attrs { inherit (cfg) applets options; }); |
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makeLinks = lib.attrsets.genAttrs |
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cfg.applets |
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(a: symlink "${busybox}/bin/busybox"); |
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minimalApplets = [ |
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# this is probably less minimal than it could be "arch" "ash" |
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"base64" "basename" "bc" "brctl" "bunzip2" |
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"bzcat" "bzip2" "cal" "cat" "chattr" "chgrp" "chmod" "chown" |
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"chpst" "chroot" "clear" "cmp" "comm" "cp" "cpio" "cut" "date" |
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"dd" "df" "dirname" "dmesg" "du" "echo" "egrep" "env" "expand" |
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"expr" "false" "fdisk" "fgrep" "find" "free" "fuser" "grep" |
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"gunzip" "gzip" "head" "hexdump" "hostname" "hwclock" "ifconfig" |
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"ip" "iplink" "ipneigh" "iproute" "iprule" "kill" "killall" |
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"killall5" "less" "ln" "ls" "lsattr" "lsof" "md5sum" "mkdir" |
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"mknod" "mktemp" "mount" "mv" "nc" "netstat" "nohup" "od" "pgrep" |
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"pidof" "ping" "ping6" "pkill" "pmap" "printenv" "printf" "ps" |
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"pwd" "readlink" "realpath" "reset" "rm" "rmdir" "route" "sed" |
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"seq" "setsid" "sha1sum" "sha256sum" "sha512sum" "sleep" "sort" |
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"stat" "strings" "stty" "su" "sum" "swapoff" "swapon" "sync" |
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"tail" "tee" "test" "time" "touch" "tr" "traceroute" |
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"traceroute6" "true" "truncate" "tty" "udhcpc" "udhcpc6" "umount" |
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"uname" "unexpand" "uniq" "unlink" "unlzma" "unxz" "unzip" |
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"uptime" "watch" "wc" "whoami" "xargs" "xxd" "xz" "xzcat" "yes" |
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"zcat" |
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]; |
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in { |
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options = { |
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programs.busybox = { |
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applets = mkOption { |
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type = types.listOf types.str; |
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default = []; |
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example = ["sh" "getty" "login"]; |
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}; |
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options = mkOption { |
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# mostly the values are y n or m, but sometimes |
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# other strings are also used |
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type = types.attrsOf types.nonEmptyStr; |
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default = { }; |
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}; |
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}; |
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}; |
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config = { |
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programs.busybox = { |
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applets = minimalApplets; |
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options = { |
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ASH_ECHO = "y"; |
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# ASH_OPTIMIZE_FOR_SIZE = "y"; |
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BASH_IS_NONE = "y"; |
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SH_IS_ASH = "y"; |
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ASH_BASH_COMPAT = "y"; |
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FEATURE_EDITING = "y"; # readline-ish command editing |
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FEATURE_EDITING_HISTORY = "128"; |
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FEATURE_EDITING_MAX_LEN = "1024"; |
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FEATURE_TAB_COMPLETION = "y"; |
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FEATURE_EDITING_WINCH = "y"; |
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}; |
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}; |
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filesystem = dir { |
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bin = dir ({ |
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busybox = symlink "${busybox}/bin/busybox"; |
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sh = symlink "${busybox}/bin/busybox"; |
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} // makeLinks); |
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}; |
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}; |
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} |
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@ -1,14 +1,13 @@ |
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{ |
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busybox |
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, writeScript |
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writeScript |
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, lib |
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} |
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: name : { runtimeInputs ? [] } : text : writeScript name '' |
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#!${busybox}/bin/sh |
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#!/bin/sh |
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set -o errexit |
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set -o nounset |
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set -o pipefail |
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export PATH="${lib.makeBinPath ([ busybox ] ++ runtimeInputs)}:$PATH" |
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export PATH="${lib.makeBinPath runtimeInputs}:$PATH" |
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${text} |
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'' |
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