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