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 = "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 = "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       st = "sudo systemctl status";
  39       t = "tmux";
  40       t0 = "tmux new -t 0";
  41       t1 = "tmux new -t 1";
  42       t2 = "tmux new -t 2";
  43       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  44       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  45       u = "systemctl --user";
  46       ur = "systemctl --user restart";
  47       ut = "systemctl --user status";
  48       w = "watch --color --differences";
  49       w1 = "watch --color --differences --interval 1";
  50       w10 = "watch --color --differences --interval 10";
  51       w5 = "watch --color --differences --interval 5";
  52       watch = "watch --color --differences";
  53       z = "zfs";
  54       ze = "sudo zpool export";
  55       zfs-umount = "zfs-unmount";
  56       zi = "sudo zpool import";
  57       zl = "zfs list";
  58       zlb = "zfs list -t bookmarks";
  59       zls = "zfs list -t snap";
  60       zm = "zfs-mount";
  61       zp = "sudo zpool";
  62       zs = "zpool status";
  63       zs5 = "w5 zpool status";
  64       zu = "zfs-unmount";
  65     };
  66     historyControl = [ "erasedups" "ignorespace" ];
  67     historyIgnore = [
  68       "torify"
  69       "mpv"
  70     ];
  71     historySize = 42000;
  72     sessionVariables = {
  73       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)\$ '';
  74       # More throughput than chacha20-poly1305@openssh.com
  75       # on hardware with AES acceleration.
  76       RSYNC_RSH = "ssh -c aes128-gcm@openssh.com,chacha20-poly1305@openssh.com";
  77     };
  78     initExtra = ''
  79       # Alias completion
  80       . ${pkgs.complete-alias}/bin/complete_alias
  81       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  82
  83       shopt -s globstar
  84       shopt -s histappend
  85       shopt -s histreedit
  86       shopt -s histverify
  87       # Disable ctrl-s/ctrl-q flow control
  88       stty -ixon
  89
  90       ffmpeg-audio () {
  91         for i in "$@"; do
  92           ffmpeg -i "$i" -vn -map 0:a -acodec copy "''${i%.*}".audio-only.mkv
  93         done
  94       }
  95       ffmpeg-opus () {
  96         for i in "$@"; do
  97           ffmpeg -i "$i" -vn -map 0:a -c:a libopus -b:a 64k -application voip "''${i%.*}".opus
  98         done
  99       }
 100       opusenc-voice () {
 101         find "$@" -depth -type f -print0 | sort -n -z |
 102         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
 103             test -e "''${0%.*}".opus ||
 104             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip "''${0%.*}".opus
 105           ' {} \;
 106       }
 107       ibm-fan () {
 108         if [ $# -gt 0 ]
 109         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
 110         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
 111         fi
 112         acpi -t
 113       }
 114       mkcd () {
 115         mkdir -p "$1" &&
 116         cd "$1"
 117       }
 118       mkpass () {
 119         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
 120       }
 121       smartctl-tbw () {
 122         device=''${1:-/dev/sda}
 123         sudo smartctl -A $device |
 124         { awk '
 125           $0 ~ /Power_On_Hours/ {
 126             poh=$10;
 127             printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25
 128           }
 129           $0 ~ /Total_LBAs_Written/ {
 130             lbas = $10;
 131             bytes = $10 * 512;
 132             mb = bytes / 1024^2;
 133             gb = bytes / 1024^3;
 134             tb = bytes / 1024^4;
 135             printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
 136             printf "mean writes per hour / %.2f",  mb/poh
 137           }
 138           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 139           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 140           $0 ~ /Percentage Used:/ { printf "Percentage_Used / %d\n", int($3) }
 141         '; echo; } |
 142         sed -e 's:/:@:' |
 143         sed -e "s\$^\$$device @ \$" |
 144         column -ts@
 145       }
 146       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 147       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 148       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 149       swaplist () {
 150         lastpid=
 151         swap=0
 152         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 153         while IFS=: read -r file x size x
 154         do
 155           pid=''${file#/proc/}
 156           pid=''${pid%/smaps}
 157           size=''${size% kB}
 158           size=''${size##* }
 159           if test "$pid" = "$lastpid"
 160           then swap=$(( swap + size ))
 161           else
 162             if test "$swap" -gt 0
 163             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 164             fi
 165             if test "$pid" = self
 166             then break
 167             else
 168               lastpid=$pid
 169               swap=$size
 170             fi
 171           fi
 172         done |
 173         sort -nk1,1
 174       }
 175
 176       # Recursively mount not-mounted dataset,
 177       # loading their keys if needed.
 178       zfs-mount () {
 179         (
 180         set -e
 181         for d in $(zfs list -rH -o name "$@"); do
 182           mountpoint /mnt/"$d" 2>/dev/null ||
 183           sudo zfs mount -l "$d"
 184         done
 185         )
 186       }
 187       # Recursively unmount dataset,
 188       # unloading their keys.
 189       zfs-unmount () { sudo zfs unmount -u "$@"; }
 190
 191       # Create bookmarks for all the snapshots of the given datasets.
 192       # Bookmarks are only useful on source datasets
 193       # But syncoid --create-bookmark only creates
 194       # a bookmark for the latest snapshot,
 195       # possibly leaving the *_daily or *_monthly snapshots without a bookmark.
 196       zfs-fix-bookmarks () {
 197         local d
 198         local -
 199         set -x
 200         for d in "$@"; do
 201           for s in $(zfs list -Hrpt snapshot -o name "$d"); do
 202             zfs bookmark "$s" "''${s//@/#}"
 203           done
 204         done
 205       }
 206
 207       # Restore the inheritance of encryptionroot,
 208       # usually broken by zfs send --raw.
 209       # Note that it needs to decrypt the datasets.
 210       zfs-fix-encryptionroot () {
 211         local d
 212         zfs load-key "$1"
 213         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 214           echo >&2 "$d"
 215           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 216           zfs change-key -li "$d"
 217       done
 218       }
 219
 220       # Recursively remove all the snapshots of given datasets
 221       zfs-destroy-snapshots () {
 222         local d
 223         for d in "$@"; do
 224           zfs list -t snapshot -rHo name "$d" |
 225           xargs --no-run-if-empty -L1 zfs destroy
 226         done
 227       }
 228     '';
 229     profileExtra = ''
 230     '';
 231   };
 232   programs.direnv.enableBashIntegration = true;
 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 }