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