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