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