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