nix-dotfiles/home/shell.nix

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{ config, pkgs, lib, extendedLib, inputs, ... }: let
sedColor =
color:
inputPattern: # sed regex.
outputPattern@{ before ? "" , middle ? "", after ? ""}:
"-e \"s|${inputPattern}|${before}$(tput setaf ${toString color})${middle}$(tput op)${after}|g\"";
colorRed = sedColor 1;
colorSlashes = colorRed "/" { middle = "/"; };
p = name: let
pkg = pkgs.${name};
exe = if pkg.meta ? mainProgram then pkg.meta.mainProgram else name;
in "${pkg}/bin/${exe}";
in {
local.shell.aliases = {
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# Replacing all of coreutils with rust, lol
"System Tool Replacements" = {
# Convention: if replaced tool is useful in some situations, let it be available
# as its own command with its first character doubled.
#
# Example: cp -> ccp
cd = lib.mkIf config.programs.zoxide.enable "z";
ccp = "${pkgs.coreutils}/bin/cp";
cp = "${p "rsync"} --progress --human-readable";
cpr = "${p "rsync"} --progress --human-readable --recursive";
ccat = "${pkgs.coreutils}/bin/cat";
cat = p "bat";
htop = "${pkgs.bottom}/bin/btm";
hhtop = p "htop";
dig = p "dogdns";
# Flags are incompatible, so they are suffixed by -x
psx = p "procs";
findx = p "fd";
ag = "${pkgs.ripgrep}/bin/rg";
lls = "${pkgs.coreutils}/bin/ls --color=always";
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ls = p "eza";
la = "${p "eza"} -lah --changed --time-style long-iso --git --group";
lsa = "la";
killall = {
type = ";";
alias = [
''echo "killall is dangerous on non-gnu platforms. Using 'pkill -x'"''
"pkill -x"
];
};
};
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# Normal commands, just with colors.
"Colorized" = {
ip = "ip --color=always";
diff = "diff --color=auto";
grep = "grep --color=always";
# TODO: doesn't work
# make = "${colormake}/bin/colormake";
};
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# Nix related aliases
"Nix Stuff" = {
nxr = "sudo nixos-rebuild switch";
nxrl = "sudo nixos-rebuild switch --option builders '' -L";
nix-check-syntax = "nix-instantiate --parse-only";
nxr-hm = "sudo nixos-rebuild switch --flake ~/nix#home-manager-tester";
nxr-ks = "sudo nixos-rebuild switch --flake ~/nix#kasei";
# TODO: does this need to be a function?
# ofborg-build = {};
ofborg-nixos-eval = {
type = " ";
alias = [
"HOME=/homeless-shelter"
"NIX_PATH=ofborg-nixpkgs-pr=$(pwd)"
"nix-instantiate"
"./nixos/release.nix"
"-A manual"
"--option restrict-eval true"
"--option build-timeout 1800"
"--argstr system ${pkgs.system}"
"--show-trace"
];
};
ofborg-pkgs-eval = {
type = " ";
alias = [
"HOME=/homeless-shelter"
"NIX_PATH=ofborg-nixpkgs-pr=$(pwd)"
"nix-instantiate"
"./pkgs/top-level/release.nix"
"-A manual"
"--option restrict-eval true"
"--option build-timeout 1800"
"--argstr system ${pkgs.system}"
"--show-trace"
];
};
};
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# Systemd related aliases
"Systemd Stuff" = {
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sc = "systemctl";
scu = "systemctl --user";
scs = "systemctl status";
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scus = "systemctl --user status";
scc = "systemctl cat";
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scuc = "systemctl --user cat";
jeu = "journalctl -eu";
jeuu = "journalctl --user -eu";
};
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# Aliases that are so long/piped that they could be considered new software.
"Software" = {
skusho = "${p "maim"} --hidecursor --nokeyboard $(echo $SCREENSHOT_DIR)/$(date_%s).png";
skushoclip = {
type = "|";
alias = [
"${p "maim"} --hidecursor --nokeyboard --select"
"${p "xclip"} -selection clipboard -target image/png -in"
];
};
dp-check = lib.mkIf config.services.dropbox.enable {
type = "|";
alias = [
"ls -l /proc/$(pidof dropbox)/fd"
"egrep -v 'pipe:|socket:|/dev'"
"grep \"${config.services.dropbox.path}/[^.]\""
];
};
subdirs-to-cbz = {
type = " ";
alias = [
''for dir in "./*";''
'' ${p "zip"} -r "$dir.cbz" "$d";''
''done''
];
};
connectedIps = {
type = "|";
alias = [
"netstat -tn 2>/dev/null"
"grep :$1"
"awk '{print $5}'"
"cut -d: -f1"
"sort"
"uniq -c"
"sort -nr"
"head"
];
};
path = {
type = "|";
alias = [
"echo $PATH"
"sed -e 's/:/\n/g' ${colorSlashes}"
"sort"
];
};
aliasc = let
colorAliasNames = colorRed "\\(^[^=]*\\)=" { middle = "\\1"; after = "\\t"; };
# The '[^]]' (character before /nix should not be ']') is there so that this
# alias definition won't be removed.
removeNixLinks = "-e 's|\\([^]]\\)/nix/store/.*/bin/|\\1|'";
in {
type = "|";
alias = [
"alias"
"sed ${colorAliasNames} ${removeNixLinks}"
"column -ts $'\\t'"
];
};
ports = let
colorFirstColumn = colorRed "(^[^ ]+)" {middle = "\\1";};
in {
type = "|";
alias = [
"sudo netstat -tulpn"
"grep LISTEN"
"sed -r 's/\\s+/ /g'"
"cut -d' ' -f 4,7"
"column -t"
"sed -r ${colorFirstColumn} ${colorSlashes}"
];
};
};
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# Normal commands that are just shortened. What would normally be considered
# the "technically correct definition" of an alias
"Actual Aliases" = {
# dp = "${dropbox-cli}/bin/dropbox";
# Having 'watch' with a space after as an alias, enables it to expand other aliases
watch = "${pkgs.procps}/bin/watch ";
concatPdfs = {
type = ";";
alias = [
''echo "${extendedLib.termColors.front.red "Concatenating all pdfs in current directory to 'out.pdf'"}"''
"${pkgs.poppler_utils}/bin/pdfunite *.pdf out.pdf"
];
};
m = p "ncmpcpp";
p = "${pkgs.python3Packages.ipython}/bin/ipython";
s = p "sxiv";
v = p "mpv";
zt = p "zathura";
};
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# I didn't know where else to put these ¯\_(ツ)_/¯
"Misc" = {
youtube-dl-list = {
type = " ";
alias = [
(p "yt-dlp")
"-f \"bestvideo[ext=mp4]+bestaudio[e=m4a]/bestvideo+bestaudio\""
"-o \"%(playlist_index)s-%(title)s.%(ext)s\""
];
};
music-dl = "${p "yt-dlp"} --extract-audio -f \"bestaudio[ext=m4a]/best\"";
music-dl-list = {
type = " ";
alias = [
(p "yt-dlp")
"--extract-audio"
"-f \"bestaudio[ext=m4a]/best\""
"-o \"%(playlist_index)s-%(title)s.%(ext)s\""
];
};
view-latex = "${pkgs.texlive.combined.scheme-full}/bin/latexmk -pdf -pvc main.tex";
reload-tmux = "${p "tmux"} source $HOME/.config/tmux/tmux.conf";
};
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# Code generated commands
"Generated" = {
"cds" = let
inherit (lib.strings) concatStringsSep;
inherit (extendedLib.strings) repeatString;
inherit (lib.lists) range flatten replicate;
inherit (lib.attrsets) nameValuePair listToAttrs;
nthCds = n: [
("cd" + (repeatString "." (n + 1)))
("cd." + toString n)
(repeatString "." (n + 1))
("." + toString n)
(".." + toString n)
];
realCommand = n: "cd " + (concatStringsSep "/" (replicate n ".."));
nthCdsAsNameValuePairs = n: map (cmd: nameValuePair cmd (realCommand n)) (nthCds n);
allCdNameValuePairs = flatten (map nthCdsAsNameValuePairs (range 1 9));
in
listToAttrs allCdNameValuePairs;
};
};
# TODO: flatten functions
# local.shell.functions = {
# all = {
# md-to-pdf = functors.shellJoin.wrap [
# "pandoc \"$1\""
# "-f gfm"
# "-V linkcolor:blue"
# "-V geometry:a4paper"
# "-V geometry:margin=2cm"
# "-V mainfont=\"Droid Sans\""
# "--pdf-engine=xelatex"
# "-o \"$2\""
# ];
# };
# };
# local.shell.variables = {
# POWERLEVEL9K_LEFT_PROMPT_ELEMENTS = ["dir" "vcs"];
# NIX_PATH = ''$HOME/.nix-defexpr/channels$\{NIX_PATH:+:}$NIX_PATH'';
# };
}