55 lines
2.2 KiB
Nix
55 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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# Improvements to the default shell
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# - use nix-index for command-not-found
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# - disable fish's annoying greeting message
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# - add some handy shell commands
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{
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environment.systemPackages = with pkgs; [
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comma
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];
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# nix-index
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programs.nix-index.enable = true;
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programs.nix-index.enableFishIntegration = true;
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programs.command-not-found.enable = false;
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programs.fish = {
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enable = true;
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shellInit = ''
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# disable annoying fish shell greeting
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set fish_greeting
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alias sudo="doas"
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'';
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};
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environment.shellAliases = {
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myip = "dig +short myip.opendns.com @resolver1.opendns.com";
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# https://linuxreviews.org/HOWTO_Test_Disk_I/O_Performance
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io_seq_read = "${pkgs.fio}/bin/fio --name TEST --eta-newline=5s --filename=temp.file --rw=read --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
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io_seq_write = "${pkgs.fio}/bin/fio --name TEST --eta-newline=5s --filename=temp.file --rw=write --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
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io_rand_read = "${pkgs.fio}/bin/fio --name TEST --eta-newline=5s --filename=temp.file --rw=randread --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=32 --runtime=60 --group_reporting; rm temp.file";
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io_rand_write = "${pkgs.fio}/bin/fio --name TEST --eta-newline=5s --filename=temp.file --rw=randrw --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
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llsblk = "lsblk -o +uuid,fsType";
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};
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nixpkgs.overlays = [
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(final: prev: {
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# comma uses the "nix-index" package built into nixpkgs by default.
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# That package doesn't use the prebuilt nix-index database so it needs to be changed.
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comma = prev.comma.overrideAttrs (old: {
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postInstall = ''
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wrapProgram $out/bin/comma \
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--prefix PATH : ${lib.makeBinPath [ prev.fzy config.programs.nix-index.package ]}
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ln -s $out/bin/comma $out/bin/,
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'';
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});
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})
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];
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}
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