home-manager/profiles/bash.nix

   1 { pkgs, lib, ... }:
   2 with lib;
   3 {
   4   programs.bash = {
   5     enable = mkDefault true;
   6     enableCompletion = mkDefault true;
   7     shellAliases = {
   8       afk = "xset s activate dpms force off";
   9       black-on-white = "echo -e '\\033]11;black\\007\\033]10;white\\007'";
  10       c = "bat";
  11       cl = "clear";
  12       d = "sudo resolvectl";
  13       dust = "dust --bars-on-right --full-paths";
  14       emacs = "emacsclient --create-frame";
  15       grep = "grep --color";
  16       du = "du --apparent-size"; # ExplanationNote: shows the size __before__ ZFS' compression.
  17       j = "jj"; # jujutsu
  18       jnl-b = "sudo journalctl -b";
  19       jnl-f = "sudo journalctl -f -u";
  20       jnl-f200 = "sudo journalctl -f -n 200 -u";
  21       jnl-ftoday = "sudo journalctl -f --since today -u";
  22       lu = "journalctl --user -u";
  23       l = "ls -alh";
  24       ll = "ls -al";
  25       ls = "ls --color=tty";
  26       lst = "ls --sort=time --reverse -1";
  27       md-toc = "grep '^#\\+' --color";
  28       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  29       mem-top = "smem --sort rss --autosize";
  30       mpl = "mplayer";
  31       n = "sudo networkctl";
  32       nf = "sudo nft list ruleset | less";
  33       nix-du-svg = "nix-du | dot -Tsvg >nix-du.svg";
  34       nixos-clean = "sudo nix-collect-garbage -d";
  35       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  36       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  37       nb = "nom build";
  38       nd = "nix -L develop";
  39       nr = "nix -L run";
  40       ns = "nix -L shell";
  41       nt = "sudo networkctl status";
  42       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  43       r = "reset";
  44       rot13 = "tr A-Za-z N-ZA-Mn-za-m";
  45       rot135 = "tr A-Za-z0-9 N-ZA-Mn-za-m5-90-4";
  46       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  47       s = "sudo systemctl";
  48       sr = "sudo systemctl restart";
  49       ssh-unknown = "ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null";
  50       st = "sudo systemctl status";
  51       smt-on = "echo on | sudo tee /sys/devices/system/cpu/smt/control";
  52       smt-off = "echo off | sudo tee /sys/devices/system/cpu/smt/control";
  53       t = "tmux";
  54       t0 = "tmux new -t 0";
  55       t1 = "tmux new -t 1";
  56       t2 = "tmux new -t 2";
  57       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  58       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  59       u = "systemctl --user";
  60       ud = "resolvectl";
  61       ur = "systemctl --user restart";
  62       ut = "systemctl --user status";
  63       w = "watch --color --differences";
  64       w1 = "watch --color --differences --interval 1";
  65       w10 = "watch --color --differences --interval 10";
  66       w5 = "watch --color --differences --interval 5";
  67       watch = "watch --color --differences";
  68       z = "zfs";
  69       ze = "sudo zpool export";
  70       zfs-umount = "zfs-unmount";
  71       zi = "sudo zpool import";
  72       zl = "zfs list";
  73       zlb = "zfs list -t bookmarks";
  74       zls = "zfs list -t snap";
  75       zm = "zfs-mount";
  76       zp = "sudo zpool";
  77       zs = "zpool status";
  78       zs5 = "w5 zpool status";
  79       zu = "zfs-unmount";
  80     };
  81     historyControl = [
  82       "erasedups"
  83       "ignorespace"
  84     ];
  85     historyIgnore = [
  86       "torify"
  87       "mpv"
  88     ];
  89     historySize = 42000;
  90     sessionVariables = {
  91       PS1 = ''\[\033[1;32m\]\[\e]0;\u@\h: \w\a\]\W\[\033[0m\] \$(e=\$?; if [ \$e != 0 ]; then echo '\[\e[0;91m\]'\$e'\[\e[0m\]'; fi)\$ '';
  92       # More throughput than chacha20-poly1305@openssh.com
  93       # on hardware with AES acceleration.
  94       RSYNC_RSH = "ssh -c aes128-gcm@openssh.com,chacha20-poly1305@openssh.com";
  95     };
  96     initExtra = ''
  97       # Alias completion
  98       . ${pkgs.complete-alias}/bin/complete_alias
  99       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
 100
 101       shopt -s globstar
 102       shopt -s histappend
 103       shopt -s histreedit
 104       shopt -s histverify
 105       # Disable ctrl-s/ctrl-q flow control
 106       stty -ixon
 107
 108       ffmpeg-audio () {
 109         for i in "$@"; do
 110           ffmpeg -i "$i" -vn -map 0:a -acodec copy "''${i%.*}".audio-only.mkv
 111         done
 112       }
 113       ffmpeg-mp3 () {
 114         for i in "$@"; do
 115           ffmpeg -i "$i" -vn -map 0:a -c:a libmp3lame -qscale:a 3 "''${i%.*}".mp3
 116         done
 117       }
 118       ffmpeg-opus () {
 119         for i in "$@"; do
 120           ffmpeg -i "$i" -vn -map 0:a -c:a libopus -b:a 64k -application voip "''${i%.*}".opus
 121         done
 122       }
 123       opusenc-voice () {
 124         find "$@" -depth -type f -print0 | sort -n -z |
 125         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
 126             test -e "''${0%.*}".opus ||
 127             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip "''${0%.*}".opus
 128           ' {} \;
 129       }
 130       ibm-fan () {
 131         if [ $# -gt 0 ]
 132         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
 133         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
 134         fi
 135         acpi -t
 136       }
 137       mkcd () {
 138         mkdir -p "$1" &&
 139         cd "$1"
 140       }
 141       mkpass () {
 142         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
 143       }
 144       smartctl-tbw () {
 145         device=''${1:-/dev/sda}
 146         sudo smartctl -A $device |
 147         { awk '
 148           $0 ~ /Power_On_Hours/ {
 149             poh=$10;
 150             printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25
 151           }
 152           $0 ~ /Total_LBAs_Written/ {
 153             lbas = $10;
 154             bytes = $10 * 512;
 155             mb = bytes / 1024^2;
 156             gb = bytes / 1024^3;
 157             tb = bytes / 1024^4;
 158             printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
 159             printf "mean writes per hour / %.2f",  mb/poh
 160           }
 161           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 162           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 163           $0 ~ /Percentage Used:/ { printf "Percentage_Used / %d\n", int($3) }
 164         '; echo; } |
 165         sed -e 's:/:@:' |
 166         sed -e "s\$^\$$device @ \$" |
 167         column -ts@
 168       }
 169       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 170       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 171       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 172       swaplist () {
 173         lastpid=
 174         swap=0
 175         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 176         while IFS=: read -r file x size x
 177         do
 178           pid=''${file#/proc/}
 179           pid=''${pid%/smaps}
 180           size=''${size% kB}
 181           size=''${size##* }
 182           if test "$pid" = "$lastpid"
 183           then swap=$(( swap + size ))
 184           else
 185             if test "$swap" -gt 0
 186             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 187             fi
 188             if test "$pid" = self
 189             then break
 190             else
 191               lastpid=$pid
 192               swap=$size
 193             fi
 194           fi
 195         done |
 196         sort -nk1,1
 197       }
 198
 199       # Recursively mount not-mounted dataset,
 200       # loading their keys if needed.
 201       zfs-mount () {
 202         (
 203         set -e
 204         for d in $(zfs list -rH -o name "$@"); do
 205           mountpoint /mnt/"$d" 2>/dev/null ||
 206           sudo zfs mount -l "$d"
 207         done
 208         )
 209       }
 210       # Recursively unmount dataset,
 211       # unloading their keys.
 212       zfs-unmount () { sudo zfs unmount -u "$@"; }
 213
 214       # Create bookmarks for all the snapshots of the given datasets.
 215       # Bookmarks are only useful on source datasets
 216       # But syncoid --create-bookmark only creates
 217       # a bookmark for the latest snapshot,
 218       # possibly leaving the *_daily or *_monthly snapshots without a bookmark.
 219       zfs-fix-bookmarks () {
 220         local d
 221         local -
 222         set -x
 223         for d in "$@"; do
 224           for s in $(zfs list -Hrpt snapshot -o name "$d"); do
 225             sudo zfs bookmark "$s" "''${s//@/#}"
 226           done
 227         done
 228       }
 229
 230       # Restore the inheritance of encryptionroot,
 231       # usually broken by zfs send --raw.
 232       # Note that it needs to decrypt the datasets.
 233       zfs-fix-encryptionroot () {
 234         local d
 235         zfs load-key "$1"
 236         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 237           echo >&2 "$d"
 238           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 239           sudo zfs change-key -li "$d"
 240       done
 241       }
 242
 243       # Recursively remove all the snapshots of given datasets
 244       zfs-destroy-snapshots () {
 245         local d
 246         for d in "$@"; do
 247           zfs list -t snapshot -rHo name "$d" |
 248           sudo xargs --no-run-if-empty -L1 zfs destroy
 249         done
 250       }
 251     '';
 252     profileExtra = '''';
 253   };
 254   home.packages = [
 255     (pkgs.writeShellScriptBin "ffmpeg-split" (lib.readFile bash/ffmpeg-split.sh))
 256   ];
 257   #programs.broot.enableBashIntegration = true;
 258   programs.readline = {
 259     enable = mkDefault true;
 260     includeSystemConfig = true;
 261     bindings = {
 262       # Up/Down
 263       "\\e[A" = "history-search-backward";
 264       "\\e[B" = "history-search-forward";
 265       "\\eOA" = "history-search-backward";
 266       "\\eOB" = "history-search-forward";
 267
 268       # Ctrl-Left/Ctrl-Right
 269       "\\e[1;5C" = "forward-word";
 270       "\\e[1;5D" = "backward-word";
 271       "\\e[5C" = "forward-word";
 272       "\\e[5D" = "backward-word";
 273       "\\e\\e[C" = "forward-word";
 274       "\\e\\e[D" = "backward-word";
 275
 276       # Home/End
 277       "\\e[1~" = "beginning-of-line";
 278       "\\e[4~" = "end-of-line";
 279
 280       # Delete/Insert
 281       "\\e[3~" = "delete-char";
 282       "\\e[2~" = "quoted-insert";
 283
 284       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 285       "\\eOF" = "end-of-line";
 286       "\\eOH" = "beginning-of-line";
 287
 288       # For freebsd console
 289       "\\e[F" = "end-of-line";
 290       "\\e[H" = "beginning-of-line";
 291
 292       # $if term=rxvt
 293       "\\e[7~" = "beginning-of-line";
 294       "\\e[8~" = "end-of-line";
 295       "\\eOc" = "forward-word";
 296       "\\eOd" = "backward-word";
 297       # $endif
 298     };
 299     variables = {
 300       # Be 8 bit clean.
 301       input-meta = mkDefault true;
 302       output-meta = mkDefault true;
 303       colored-completion-prefix = mkDefault true;
 304       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 305       echo-control-characters = mkDefault true;
 306       mark-symlinked-directories = mkDefault true;
 307       menu-complete-display-prefix = mkDefault true;
 308       show-all-if-ambiguous = mkDefault true;
 309       show-all-if-unmodified = mkDefault true;
 310       visible-stats = mkDefault false; # Append char to indicate type
 311       enable-bracketed-paste = mkDefault true;
 312     };
 313   };
 314 }