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       jb = "sudo journalctl -b";
  18       jf = "sudo journalctl -f -u";
  19       jf200 = "sudo journalctl -f -n 200 -u";
  20       jftoday = "sudo journalctl -f --since today -u";
  21       lu = "journalctl --user -u";
  22       l = "ls -alh";
  23       ll = "ls -al";
  24       ls = "ls --color=tty";
  25       lst = "ls --sort=time --reverse -1";
  26       md-toc = "grep '^#\\+' --color";
  27       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  28       mem-top = "smem --sort rss --autosize";
  29       mpl = "mplayer";
  30       n = "sudo networkctl";
  31       nf = "sudo nft list ruleset | less";
  32       nix-du-svg = "nix-du | dot -Tsvg >nix-du.svg";
  33       nixos-clean = "sudo nix-collect-garbage -d";
  34       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  35       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  36       nb = "nom build";
  37       nd = "nix -L develop";
  38       nr = "nix-run";
  39       ns = "nix -L shell";
  40       nt = "sudo networkctl status";
  41       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  42       r = "reset";
  43       rot13 = "tr A-Za-z N-ZA-Mn-za-m";
  44       rot135 = "tr A-Za-z0-9 N-ZA-Mn-za-m5-90-4";
  45       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  46       s = "sudo systemctl";
  47       sr = "sudo systemctl restart";
  48       ssh-unknown = "ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null";
  49       st = "sudo systemctl status";
  50       smt-on = "echo on | sudo tee /sys/devices/system/cpu/smt/control";
  51       smt-off = "echo off | sudo tee /sys/devices/system/cpu/smt/control";
  52       t = "tmux";
  53       t0 = "tmux new -t 0";
  54       t1 = "tmux new -t 1";
  55       t2 = "tmux new -t 2";
  56       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  57       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  58       u = "systemctl --user";
  59       ud = "resolvectl";
  60       ur = "systemctl --user restart";
  61       ut = "systemctl --user status";
  62       w = "watch --color --differences";
  63       w1 = "watch --color --differences --interval 1";
  64       w10 = "watch --color --differences --interval 10";
  65       w5 = "watch --color --differences --interval 5";
  66       watch = "watch --color --differences";
  67       z = "zfs";
  68       ze = "sudo zpool export";
  69       zfs-umount = "zfs-unmount";
  70       zi = "sudo zpool import";
  71       zl = "zfs list";
  72       zlb = "zfs list -t bookmarks";
  73       zls = "zfs list -t snap";
  74       zm = "zfs-mount";
  75       zp = "sudo zpool";
  76       zs = "zpool status";
  77       zs5 = "w5 zpool status";
  78       zu = "zfs-unmount";
  79     };
  80     historyControl = [
  81       "erasedups"
  82       "ignorespace"
  83     ];
  84     historyIgnore = [
  85       "torify"
  86       "mpv"
  87     ];
  88     historySize = 42000;
  89     sessionVariables = {
  90       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)\$ '';
  91       # More throughput than chacha20-poly1305@openssh.com
  92       # on hardware with AES acceleration.
  93       RSYNC_RSH = "ssh -c aes128-gcm@openssh.com,chacha20-poly1305@openssh.com";
  94     };
  95     initExtra = ''
  96       # Alias completion
  97       . ${pkgs.complete-alias}/bin/complete_alias
  98       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  99
 100       shopt -s globstar
 101       shopt -s histappend
 102       shopt -s histreedit
 103       shopt -s histverify
 104       # Disable ctrl-s/ctrl-q flow control
 105       stty -ixon
 106
 107       ffmpeg-audio () {
 108         for i in "$@"; do
 109           ffmpeg -i "$i" -vn -map 0:a -acodec copy ''${FFMPEG_ARGS-} "''${i%.*}".audio-only.mkv
 110         done
 111       }
 112       ffmpeg-mp3 () {
 113         for i in "$@"; do
 114           ffmpeg -i "$i" -vn -map 0:a -c:a libmp3lame -qscale:a 3 ''${FFMPEG_ARGS-} "''${i%.*}".mp3
 115         done
 116       }
 117       ffmpeg-opus () {
 118         for i in "$@"; do
 119           ffmpeg -i "$i" -vn -map 0:a -c:a libopus -b:a 64k -application voip ''${FFMPEG_ARGS-} "''${i%.*}".opus
 120         done
 121       }
 122       opusenc-voice () {
 123         find "$@" -depth -type f -print0 | sort -n -z |
 124         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
 125             test -e "''${0%.*}".opus ||
 126             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip ''${FFMPEG_ARGS-} "''${0%.*}".opus
 127           ' {} \;
 128       }
 129       ibm-fan () {
 130         if [ $# -gt 0 ]
 131         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
 132         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
 133         fi
 134         acpi -t
 135       }
 136       mkcd () {
 137         mkdir -p "$1" &&
 138         cd "$1"
 139       }
 140       mkpass () {
 141         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
 142       }
 143       nix-run () {
 144         nix --log-format internal-json run -v "$@" |& nom --json
 145       }
 146       smartctl-tbw () {
 147         device=''${1:-/dev/sda}
 148         sudo smartctl -A $device |
 149         { awk '
 150           $0 ~ /Power_On_Hours/ {
 151             poh=$10;
 152             printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25
 153           }
 154           $0 ~ /Total_LBAs_Written/ {
 155             lbas = $10;
 156             bytes = $10 * 512;
 157             mb = bytes / 1024^2;
 158             gb = bytes / 1024^3;
 159             tb = bytes / 1024^4;
 160             printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
 161             printf "mean writes per hour / %.2f",  mb/poh
 162           }
 163           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 164           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 165           $0 ~ /Percentage Used:/ { printf "Percentage_Used / %d\n", int($3) }
 166         '; echo; } |
 167         sed -e 's:/:@:' |
 168         sed -e "s\$^\$$device @ \$" |
 169         column -ts@
 170       }
 171       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 172       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 173       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 174       swaplist () {
 175         lastpid=
 176         swap=0
 177         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 178         while IFS=: read -r file x size x
 179         do
 180           pid=''${file#/proc/}
 181           pid=''${pid%/smaps}
 182           size=''${size% kB}
 183           size=''${size##* }
 184           if test "$pid" = "$lastpid"
 185           then swap=$(( swap + size ))
 186           else
 187             if test "$swap" -gt 0
 188             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 189             fi
 190             if test "$pid" = self
 191             then break
 192             else
 193               lastpid=$pid
 194               swap=$size
 195             fi
 196           fi
 197         done |
 198         sort -nk1,1
 199       }
 200
 201       # Recursively mount not-mounted dataset,
 202       # loading their keys if needed.
 203       zfs-mount () {
 204         (
 205         set -e
 206         for d in $(zfs list -rH -o name "$@"); do
 207           mountpoint /mnt/"$d" 2>/dev/null ||
 208           sudo zfs mount -l "$d"
 209         done
 210         )
 211       }
 212       # Recursively unmount dataset,
 213       # unloading their keys.
 214       zfs-unmount () { sudo zfs unmount -u "$@"; }
 215
 216       # Create bookmarks for all the snapshots of the given datasets.
 217       # Bookmarks are only useful on source datasets
 218       # But syncoid --create-bookmark only creates
 219       # a bookmark for the latest snapshot,
 220       # possibly leaving the *_daily or *_monthly snapshots without a bookmark.
 221       zfs-fix-bookmarks () {
 222         local d
 223         local -
 224         set -x
 225         for d in "$@"; do
 226           for s in $(zfs list -Hrpt snapshot -o name "$d"); do
 227             sudo zfs bookmark "$s" "''${s//@/#}"
 228           done
 229         done
 230       }
 231
 232       # Restore the inheritance of encryptionroot,
 233       # usually broken by zfs send --raw.
 234       # Note that it needs to decrypt the datasets.
 235       zfs-fix-encryptionroot () {
 236         local d
 237         zfs load-key "$1"
 238         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 239           echo >&2 "$d"
 240           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 241           sudo zfs change-key -li "$d"
 242       done
 243       }
 244
 245       # Recursively remove all the snapshots of given datasets
 246       zfs-destroy-snapshots () {
 247         local d
 248         for d in "$@"; do
 249           zfs list -t snapshot -rHo name "$d" |
 250           sudo xargs --no-run-if-empty -L1 zfs destroy
 251         done
 252       }
 253     '';
 254     profileExtra = '''';
 255   };
 256   home.packages = [
 257     (pkgs.writeShellScriptBin "ffmpeg-split" (lib.readFile bash/ffmpeg-split.sh))
 258   ];
 259   #programs.broot.enableBashIntegration = true;
 260   programs.readline = {
 261     enable = mkDefault true;
 262     includeSystemConfig = true;
 263     bindings = {
 264       # Up/Down
 265       "\\e[A" = "history-search-backward";
 266       "\\e[B" = "history-search-forward";
 267       "\\eOA" = "history-search-backward";
 268       "\\eOB" = "history-search-forward";
 269
 270       # Ctrl-Left/Ctrl-Right
 271       "\\e[1;5C" = "forward-word";
 272       "\\e[1;5D" = "backward-word";
 273       "\\e[5C" = "forward-word";
 274       "\\e[5D" = "backward-word";
 275       "\\e\\e[C" = "forward-word";
 276       "\\e\\e[D" = "backward-word";
 277
 278       # Home/End
 279       "\\e[1~" = "beginning-of-line";
 280       "\\e[4~" = "end-of-line";
 281
 282       # Delete/Insert
 283       "\\e[3~" = "delete-char";
 284       "\\e[2~" = "quoted-insert";
 285
 286       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 287       "\\eOF" = "end-of-line";
 288       "\\eOH" = "beginning-of-line";
 289
 290       # For freebsd console
 291       "\\e[F" = "end-of-line";
 292       "\\e[H" = "beginning-of-line";
 293
 294       # $if term=rxvt
 295       "\\e[7~" = "beginning-of-line";
 296       "\\e[8~" = "end-of-line";
 297       "\\eOc" = "forward-word";
 298       "\\eOd" = "backward-word";
 299       # $endif
 300     };
 301     variables = {
 302       # Be 8 bit clean.
 303       input-meta = mkDefault true;
 304       output-meta = mkDefault true;
 305       colored-completion-prefix = mkDefault true;
 306       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 307       echo-control-characters = mkDefault true;
 308       mark-symlinked-directories = mkDefault true;
 309       menu-complete-display-prefix = mkDefault true;
 310       show-all-if-ambiguous = mkDefault true;
 311       show-all-if-unmodified = mkDefault true;
 312       visible-stats = mkDefault false; # Append char to indicate type
 313       enable-bracketed-paste = mkDefault true;
 314     };
 315   };
 316 }