home-manager/profiles/bash.nix

   1 { pkgs, lib, ... }:
   2 with lib;
   3 {
   4   programs.bash = {
   5     enable = mkDefault true;
   6     shellAliases = {
   7       black-on-white = "echo -e '\\033]11;black\\007\\033]10;white\\007'";
   8       c = "bat";
   9       cl = "clear";
  10       eic = "edit-in-commit";
  11       eigg = "edit-in-git-grep";
  12       emacs = "emacsclient --create-frame";
  13       g = "git";
  14       gg = "git grep";
  15       grep = "grep --color";
  16       j = "sudo journalctl -u";
  17       jb = "sudo journalctl -b";
  18       ju = "sudo journalctl --user -u";
  19       l = "ls -alh";
  20       ll = "ls -al";
  21       ls = "ls --color=tty";
  22       md-toc = "grep '^#\\+' --color";
  23       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  24       mem-top = "smem --sort rss --autosize";
  25       mpl = "mplayer";
  26       nf = "sudo nft list ruleset | less";
  27       nix-du-svg = "nix-du | dot -Tsvg >nix-du.svg";
  28       nixos-clean = "sudo nix-collect-garbage -d";
  29       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  30       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  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       st = "sudo systemctl status";
  38       t = "tmux";
  39       t0 = "tmux new -t 0";
  40       t1 = "tmux new -t 1";
  41       t2 = "tmux new -t 2";
  42       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  43       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  44       u = "systemctl --user";
  45       ut = "systemctl --user status";
  46       w1 = "watch --color --differences --interval 1";
  47       w5 = "watch --color --differences --interval 5";
  48       w10 = "watch --color --differences --interval 10";
  49       w = "watch --color --differences";
  50       watch = "watch --color --differences";
  51       zfs-umount = "zfs-unmount";
  52     };
  53     sessionVariables = {
  54       HISTCONTROL = "erasedups:ignorespace";
  55       HISTSIZE = "42000";
  56       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)\$ '';
  57     };
  58     initExtra = ''
  59       # Alias completion
  60       . ${pkgs.complete-alias}/bin/complete_alias
  61       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  62
  63       shopt -s globstar
  64       shopt -s histappend
  65       shopt -s histreedit
  66       shopt -s histverify
  67       # Disable ctrl-s/ctrl-q flow control
  68       stty -ixon
  69
  70       ffmpeg-audio () {
  71         for i in "$@"; do
  72           ffmpeg -i "$i" -vn -map 0:a -acodec copy "''${i%.*}".audio
  73         done
  74       }
  75       ffmpeg-opus () {
  76         for i in "$@"; do
  77           ffmpeg -i "$i" -vn -map 0:a -c:a libopus -b:a 64k -application voip "''${i%.*}".opus
  78         done
  79       }
  80       ibm-fan () {
  81         if [ $# -gt 0 ]
  82         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
  83         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
  84         fi
  85         acpi -t
  86       }
  87       mkcd () {
  88         mkdir -p "$1" &&
  89         cd "$1"
  90       }
  91       mkpass () {
  92         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
  93       }
  94       opusenc-voice () {
  95         find "$@" -depth -type f -print0 | sort -n -z |
  96         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
  97             test -e "''${0%.*}".opus ||
  98             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip "''${0%.*}".opus
  99           ' {} \;
 100       }
 101       smartctl-tbw () {
 102         device=''${1:-/dev/sda}
 103         sudo smartctl -A $device |
 104         { awk '
 105           $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
 106           $0 ~ /Total_LBAs_Written/ {
 107               lbas = $10;
 108               bytes = $10 * 512;
 109               mb = bytes / 1024^2;
 110               gb = bytes / 1024^3;
 111               tb = bytes / 1024^4;
 112               printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
 113               printf "mean writes per hour:  / %.2f",  mb/poh
 114           }
 115           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 116           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 117         '; echo; } |
 118         sed -e 's:/:@:' |
 119         sed -e "s\$^\$$device @ \$" |
 120         column -ts@
 121       }
 122       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 123       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 124       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 125       swaplist () {
 126         lastpid=
 127         swap=0
 128         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 129         while IFS=: read -r file x size x
 130         do
 131           pid=''${file#/proc/}
 132           pid=''${pid%/smaps}
 133           size=''${size% kB}
 134           size=''${size##* }
 135           if test "$pid" = "$lastpid"
 136           then swap=$(( swap + size ))
 137           else
 138             if test "$swap" -gt 0
 139             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 140             fi
 141             if test "$pid" = self
 142             then break
 143             else
 144               lastpid=$pid
 145               swap=$size
 146             fi
 147           fi
 148         done |
 149         sort -nk1,1
 150       }
 151       edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
 152       edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
 153
 154       # Recursively mount not-mounted dataset,
 155       # loading their keys if needed.
 156       zfs-mount () {
 157         local d
 158         local -
 159         set -e
 160         for d in $(zfs list -rH -o name "$@"); do
 161           mountpoint /mnt/"$d" 2>/dev/null ||
 162           sudo zfs mount -l "$d"
 163         done
 164       }
 165       # Recursively unmount dataset,
 166       # unloading their keys.
 167       zfs-unmount () { sudo zfs unmount -u "$@"; }
 168
 169       # Restore the inheritance of encryptionroot,
 170       # usually broken by zfs send --raw.
 171       # Note that it needs to decrypt the datasets.
 172       zfs-fix-encryptionroot () {
 173         local d
 174         zfs load-key "$1"
 175         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 176           echo >&2 "$d"
 177           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 178           zfs change-key -li "$d"
 179       done
 180       }
 181
 182       # Recursively remove all the snapshots of given datasets
 183       zfs-destroy-snapshots () {
 184         local d
 185         for d in "$@"; do
 186           zfs list -t snapshot -rHo name "$d" |
 187           xargs --no-run-if-empty -L1 zfs destroy
 188         done
 189       }
 190     '';
 191     profileExtra = ''
 192     '';
 193   };
 194   programs.direnv.enableBashIntegration = true;
 195   #programs.broot.enableBashIntegration = true;
 196   programs.readline = {
 197     enable = mkDefault true;
 198     includeSystemConfig = true;
 199     bindings = {
 200       # Up/Down
 201       "\\e[A" = "history-search-backward";
 202       "\\e[B" = "history-search-forward";
 203       "\\eOA" = "history-search-backward";
 204       "\\eOB" = "history-search-forward";
 205
 206       # Ctrl-Left/Ctrl-Right
 207       "\\e[1;5C" = "forward-word";
 208       "\\e[1;5D" = "backward-word";
 209       "\\e[5C" = "forward-word";
 210       "\\e[5D" = "backward-word";
 211       "\\e\\e[C" = "forward-word";
 212       "\\e\\e[D" = "backward-word";
 213
 214       # Home/End
 215       "\\e[1~" = "beginning-of-line";
 216       "\\e[4~" = "end-of-line";
 217
 218       # Delete/Insert
 219       "\\e[3~" = "delete-char";
 220       "\\e[2~" = "quoted-insert";
 221
 222       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 223       "\\eOF" = "end-of-line";
 224       "\\eOH" = "beginning-of-line";
 225
 226       # For freebsd console
 227       "\\e[F" = "end-of-line";
 228       "\\e[H" = "beginning-of-line";
 229
 230       # $if term=rxvt
 231       "\\e[7~" = "beginning-of-line";
 232       "\\e[8~" = "end-of-line";
 233       "\\eOc" = "forward-word";
 234       "\\eOd" = "backward-word";
 235       # $endif
 236     };
 237     variables = {
 238       # Be 8 bit clean.
 239       input-meta = mkDefault true;
 240       output-meta = mkDefault true;
 241       colored-completion-prefix = mkDefault true;
 242       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 243       echo-control-characters = mkDefault true;
 244       mark-symlinked-directories = mkDefault true;
 245       menu-complete-display-prefix = mkDefault true;
 246       show-all-if-ambiguous = mkDefault true;
 247       show-all-if-unmodified = mkDefault true;
 248       visible-stats = mkDefault false; # Append char to indicate type
 249       enable-bracketed-paste = mkDefault true;
 250     };
 251   };
 252 }