dotfiles/nixpkgs/shellOptions.nix

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{ config, ... }:
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let
# TODO: These should really be inputs in the main function, and the
# overlaying should be happening in home.nix. I wasn't able to
# make it work though.
pkgs = import <nixos> { overlays = [(import ./overlays/lib)]; };
lib = pkgs.lib;
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sedColor =
color:
inputPattern:
outputPattern:
"-e \"s|${inputPattern}|${outputPattern.before or ""}$(tput setaf ${toString color})${outputPattern.middle}$(tput op)${outputPattern.after or ""}|g\"";
colorRed = sedColor 1;
colorSlashes = colorRed "/" {middle = "/";};
# Context Functors
functors = let
inherit (lib.strings) concatStringsSep;
inherit (lib.termColors.front) blue;
genWrapper = type: value: { inherit type; inherit value; };
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in
{
shellPipe = {
wrap = genWrapper "shellPipe";
apply = f: concatStringsSep " | " f.value;
stringify = f: concatStringsSep (blue "\n| ") f.value;
};
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shellAnd = {
wrap = genWrapper "shellAnd";
apply = f: concatStringsSep " && " f.value;
stringify = f: concatStringsSep (blue "\n&& ") f.value;
};
shellThen = {
wrap = genWrapper "shellThen";
apply = f: concatStringsSep "; " f.value;
stringify = f: concatStringsSep (blue ";\n ") f.value;
};
shellJoin = {
wrap = genWrapper "shellJoin";
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apply = f: concatStringsSep " " f.value;
stringify = f: concatStringsSep " \\\n " f.value;
};
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};
# AttrSet -> Bool
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isFunctor = let
inherit (lib.lists) any;
inherit (lib.attrsets) attrValues;
in
attrset:
if !(attrset ? "type")
then false
else any (f: (f.wrap "").type == attrset.type) (attrValues functors);
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in rec {
_module.args.shellOptions = {
aliases = let
shellPipe = functors.shellPipe.wrap;
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shellJoin = functors.shellJoin.wrap;
shellAnd = functors.shellAnd.wrap;
shellThen = functors.shellThen.wrap;
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in with pkgs; {
# ░█▀▄░█▀▀░█▀█░█░░░█▀█░█▀▀░█▀▀░█▄█░█▀▀░█▀█░▀█▀░█▀▀
# ░█▀▄░█▀▀░█▀▀░█░░░█▀█░█░░░█▀▀░█░█░█▀▀░█░█░░█░░▀▀█
# ░▀░▀░▀▀▀░▀░░░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀░▀░▀▀▀░▀░▀░░▀░░▀▀▀
# Replacing all of coreutils with rust, lol
"System Tool Replacements" = {
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# 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
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cd = "z";
ccp = "${coreutils}/bin/cp";
cp = "${rsync}/bin/rsync --progress --human-readable";
cpr = "${rsync}/bin/rsync --progress --human-readable --recursive";
ccat = "${coreutils}/bin/cat";
cat = "${bat}/bin/bat";
htop = "${bottom}/bin/btm";
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hhtop = "${htop}/bin/htop";
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# This is potentially dangerous, as procs flags are totally different
ps = "${procs}/bin/procs";
# Find flags are so different that I've renamed fd to fin for time being
fin = "${fd}/bin/fd";
ag="${ripgrep}/bin/rg";
lls = "${coreutils}/bin/ls --color=always";
ls = "${exa}/bin/exa";
la = "${exa}/bin/exa -lah --changed --time-style long-iso --git --group";
lsa = "la";
killall = "echo \"killall is dangerous on non-gnu platforms. Using 'pkill -x'\"; pkill -x";
};
# ░█▀▀░█▀█░█░░░█▀█░█▀▄░▀█▀░▀▀█░█▀▀░█▀▄
# ░█░░░█░█░█░░░█░█░█▀▄░░█░░▄▀░░█▀▀░█░█
# ░▀▀▀░▀▀▀░▀▀▀░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀▀▀░▀▀░
# Normal commands, just with colors.
"Colorized" = {
ip = "ip --color=always";
diff = "diff --color=auto";
grep = "grep --color=always";
make = "${colormake}/bin/colormake";
};
# ░█▀▄░█▀▀░█▄█░▀█▀░█▀█░█▀▄░█▀▀░█▀▄░█▀▀
# ░█▀▄░█▀▀░█░█░░█░░█░█░█░█░█▀▀░█▀▄░▀▀█
# ░▀░▀░▀▀▀░▀░▀░▀▀▀░▀░▀░▀▀░░▀▀▀░▀░▀░▀▀▀
# Stuff that I constantly forget...
"Reminders" = {
regex-escapechars = "echo \"[\\^$.|?*+()\"";
aliases = "${coreutils}/bin/cat $HOME/${config.xdg.dataFile.aliases.target}";
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};
# ░█▀█░▀█▀░█░█
# ░█░█░░█░░▄▀▄
# ░▀░▀░▀▀▀░▀░▀
# Nix related aliases
"Nix Stuff" = {
# This for some reason uses an outdated version of hm
# hs = "${pkgs.home-manager}/bin/home-manager switch";
hms = "home-manager switch";
nxr = "sudo ${nixos-rebuild}/bin/nixos-rebuild switch";
nxc = "sudoedit /etc/nixos/configuration.nix";
nxh = "vim ~/.config/nixpkgs/home.nix";
ns = "nix-shell";
};
# ░█▀▀░█▀█░█▀▀░▀█▀░█░█░█▀█░█▀▄░█▀▀
# ░▀▀█░█░█░█▀▀░░█░░█▄█░█▀█░█▀▄░█▀▀
# ░▀▀▀░▀▀▀░▀░░░░▀░░▀░▀░▀░▀░▀░▀░▀▀▀
# Aliases that are so long/piped that they could be considered new software.
"Software" = {
skusho = "${maim}/bin/maim --hidecursor --nokeyboard $(echo $SCREENSHOT_DIR)/$(date_%s).png";
skushoclip = shellPipe [
"${maim}/bin/maim --hidecursor --nokeyboard --select"
"${xclip}/bin/xclip -selection clipboard -target image/png -in"
];
dp-check = shellPipe [
"ls -l /proc/$(pidof dropbox)/fd"
"egrep -v 'pipe:|socket:|/dev'"
"grep \"${config.services.dropbox.path}/[^.]\""
];
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subdirs-to-cbz = shellJoin [
"for dir in \"./*\";"
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" ${zip}/bin/zip -r \"$dir.cbz\" \"$d\";"
"done"
];
connectedIps = shellPipe [
"netstat -tn 2>/dev/null"
"grep :$1"
"awk '{print $5}'"
"cut -d: -f1"
"sort"
"uniq -c"
"sort -nr"
"head"
];
path = "echo $PATH | sed -e 's/:/\\n/g' ${colorSlashes} | sort";
wowify = "${toilet}/bin/toilet -f pagga | ${lolcat}/bin/lolcat";
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
shellPipe [
"alias"
"sed ${colorAliasNames} ${removeNixLinks}"
"column -ts $'\\t'"
];
ports = let
colorFirstColumn = colorRed "(^[^ ]+)" {middle = "\\1";};
in
shellPipe [
"sudo netstat -tulpn"
"grep LISTEN"
"sed -r 's/\\s+/ /g'"
"cut -d' ' -f 4,7"
"column -t"
"sed -r ${colorFirstColumn} ${colorSlashes}"
];
};
# ░█▀█░█░░░▀█▀░█▀█░█▀▀░█▀▀░█▀▀
# ░█▀█░█░░░░█░░█▀█░▀▀█░█▀▀░▀▀█
# ░▀░▀░▀▀▀░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀▀▀
# Normal commands that are just shortened. What would normally be considered
# the "technically correct definition" of an alias
"Actual Aliases" = {
dp = "${dropbox-cli}/bin/dropbox";
# Having 'watch' with a space after as an alias, enables it to expand other aliases
watch = "${procps}/bin/watch ";
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concatPdfs = shellThen [
"echo \"${lib.termColors.front.red "Concatenating all pdfs in current directory to 'out.pdf'"}\""
"${poppler_utils}/bin/pdfunite *.pdf out.pdf"
];
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m = "${ncmpcpp}/bin/ncmpcpp";
p = "${python39Packages.ipython}/bin/ipython";
};
# ░█▄█░▀█▀░█▀▀░█▀▀
# ░█░█░░█░░▀▀█░█░░
# ░▀░▀░▀▀▀░▀▀▀░▀▀▀
# I didn't know where else to put these ¯\_(ツ)_/¯
"Misc" = {
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youtube-dl-list = shellJoin [
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"${youtube-dl}/bin/youtube-dl"
"-f \"bestvideo[ext=mp4]+bestaudio[e=m4a]/bestvideo+bestaudio\""
"-o \"%(playlist_index)s-%(title)s.%(ext)s\""
];
music-dl = "${youtube-dl}/bin/youtube-dl --extract-audio -f \"bestaudio[ext=m4a]/best\"";
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music-dl-list = shellJoin [
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"${youtube-dl}/bin/youtube-dl"
"--extract-audio"
"-f \"bestaudio[ext=m4a]/best\""
"-o \"%(playlist_index)s-%(title)s.%(ext)s\""
];
view-latex = "${texlive.combined.scheme-full}/bin/latexmk -pdf -pvc main.tex";
reload-tmux = "${tmux}/bin/tmux source $HOME/.config/tmux/tmux.conf";
};
# ░█▀▀░█▀▀░█▀█░█▀▀░█▀▄░█▀█░▀█▀░█▀▀░█▀▄
# ░█░█░█▀▀░█░█░█▀▀░█▀▄░█▀█░░█░░█▀▀░█░█
# ░▀▀▀░▀▀▀░▀░▀░▀▀▀░▀░▀░▀░▀░░▀░░▀▀▀░▀▀░
# Code generated commands
"Generated" = {
"cds" = let
inherit (lib.strings) concatStringsSep repeatString;
inherit (lib.lists) range flatten repeat;
inherit (lib.attrsets) nameValuePair listToAttrs;
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nthCds = n: [
("cd" + (repeatString "." (n + 1)))
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("cd." + toString n)
(repeatString "." (n + 1))
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("." + toString n)
(".." + toString n)
];
realCommand = n: "cd " + (concatStringsSep "/" (repeat ".." n));
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nthCdsAsNameValuePairs = n: map (cmd: nameValuePair cmd (realCommand n)) (nthCds n);
allCdNameValuePairs = flatten (map nthCdsAsNameValuePairs (range 1 9));
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in
listToAttrs allCdNameValuePairs;
"Package Managers" = let
inherit (lib.attrsets) nameValuePair listToAttrs;
packageManagers = [
"apt"
"dpkg"
"flatpak"
"pacman"
"pamac"
"paru"
"rpm"
"snap"
"xbps"
"yay"
"yum"
];
command = "${coreutils}/bin/cat $HOME/${config.xdg.dataFile.packageManagerLecture.target}";
nameValuePairs = map (pm: nameValuePair pm command) packageManagers;
in listToAttrs nameValuePairs;
};
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};
# TODO: flatten functions
functions = {
all = {
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md-to-pdf = functors.shellJoin.wrap [
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"pandoc \"$1\""
"-f gfm"
"-V linkcolor:blue"
"-V geometry:a4paper"
"-V geometry:margin=2cm"
"-V mainfont=\"Droid Sans\""
"--pdf-engine=xelatex"
"-o \"$2\""
];
};
};
variables = {
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS = ["dir" "vcs"];
# NIX_PATH = ''$HOME/.nix-defexpr/channels$\{NIX_PATH:+:}$NIX_PATH'';
};
flattened.aliases = let
inherit (lib.attrsets) mapAttrs attrValues filterAttrs isAttrs concatAttrs;
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inherit (lib.strings) isString concatStringsSep;
applyFunctor = attrset: functors.${attrset.type}.apply attrset;
# TODO: better naming
allAttrValuesAreStrings = attrset: let
# [ {String} ]
filteredAliases = [(filterAttrs (n: v: isString v) attrset)];
# [ {String} ]
remainingFunctors = let
functorSet = filterAttrs (n: v: isAttrs v && isFunctor v) attrset;
appliedFunctorSet = mapAttrs (n: v: applyFunctor v) functorSet;
in [ appliedFunctorSet ];
# [ {AttrSet} ]
remainingAliasSets = attrValues (filterAttrs (n: v: isAttrs v && !(isFunctor v)) attrset);
# [ {String} ]
recursedAliasSets = filteredAliases
++ (remainingFunctors)
++ (map allAttrValuesAreStrings remainingAliasSets);
in concatAttrs recursedAliasSets;
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in
allAttrValuesAreStrings _module.args.shellOptions.aliases;
};
xdg.dataFile = {
aliases = {
text = let
inherit (lib.strings) unlines wrap' replaceStrings' stringLength repeatString;
inherit (lib.attrsets) attrValues mapAttrs isAttrs;
inherit (lib.lists) remove;
inherit (lib.trivial) mapNullable;
inherit (lib.termColors.front) red green blue;
# int -> String -> AttrSet -> String
stringifyCategory = level: name: category:
unlines
(["${repeatString " " level}[${green name}]"] ++
(attrValues (mapAttrs (n: v: let
# String
indent = repeatString " " level;
# String -> String
removeNixLinks = text: let
maybeMatches = builtins.match "(|.*[^)])(/nix/store/.*/bin/).*" text;
matches = mapNullable (remove "") maybeMatches;
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in
if (maybeMatches == null)
then text
else replaceStrings' matches "" text;
applyFunctor = attrset: let
applied = functors.${attrset.type}.stringify attrset;
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indent' = indent + (repeatString " " ((stringLength " -> \"") + (stringLength n))) + " ";
in
replaceStrings' ["\n"] ("\n" + indent') applied;
recurse = stringifyCategory (level + 1) n v;
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in
if !(isAttrs v) then "${indent} ${red n} -> ${wrap' (blue "\"") (removeNixLinks v)}" else
if isFunctor v then "${indent} ${red n} -> ${wrap' (blue "\"") (removeNixLinks (applyFunctor v))}" else
recurse) category)));
in
(stringifyCategory 0 "Aliases" _module.args.shellOptions.aliases) + "\n";
};
packageManagerLecture = {
target = "package-manager.lecture";
text = let
inherit (lib.strings) unlines;
inherit (lib.termColors.front) red blue;
in unlines [
((red "This package manager is not installed on ") + (blue "NixOS") + (red "."))
((red "Either use ") + ("\"nix-env -i\"") + (red " or install it through a configuration file."))
""
];
};
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};
}