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       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       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  31       r = "reset";
  32       rot13 = "tr A-Za-z N-ZA-Mn-za-m";
  33       rot135 = "tr A-Za-z0-9 N-ZA-Mn-za-m5-90-4";
  34       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  35       s = "sudo systemctl";
  36       st = "sudo systemctl status";
  37       t = "tmux";
  38       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  39       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  40       u = "systemctl --user";
  41       ut = "systemctl --user status";
  42       w1 = "watch --color --differences --interval 1";
  43       w5 = "watch --color --differences --interval 5";
  44       w10 = "watch --color --differences --interval 10";
  45       w = "watch --color --differences";
  46       watch = "watch --color --differences";
  47       zfs-umount = "zfs-unmount";
  48     };
  49     sessionVariables = {
  50       HISTCONTROL = "erasedups:ignorespace";
  51       HISTSIZE = "42000";
  52       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)\$ '';
  53     };
  54     initExtra = ''
  55       # Alias completion
  56       . ${pkgs.complete-alias}/bin/complete_alias
  57       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  58
  59       shopt -s globstar
  60       shopt -s histappend
  61       shopt -s histreedit
  62       shopt -s histverify
  63       # Disable ctrl-s/ctrl-q flow control
  64       stty -ixon
  65
  66       ibm-fan () {
  67         if [ $# -gt 0 ]
  68         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
  69         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
  70         fi
  71         acpi -t
  72       }
  73       mkcd () {
  74         mkdir -p "$1" &&
  75         cd "$1"
  76       }
  77       mkpass () {
  78         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
  79       }
  80       opusenc-voice () {
  81         find "$@" -depth -type f -print0 | sort -n -z |
  82         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
  83             test -e "''${0%.*}".opus ||
  84             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip "''${0%.*}".opus
  85           ' {} \;
  86       }
  87       smartctl-tbw () {
  88         device=''${1:-/dev/sda}
  89         sudo smartctl -A $device |
  90         { awk '
  91           $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
  92           $0 ~ /Total_LBAs_Written/ {
  93               lbas = $10;
  94               bytes = $10 * 512;
  95               mb = bytes / 1024^2;
  96               gb = bytes / 1024^3;
  97               tb = bytes / 1024^4;
  98               printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
  99               printf "mean writes per hour:  / %.2f",  mb/poh
 100           }
 101           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 102           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 103         '; echo; } |
 104         sed -e 's:/:@:' |
 105         sed -e "s\$^\$$device @ \$" |
 106         column -ts@
 107       }
 108       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 109       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 110       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 111       swaplist () {
 112         lastpid=
 113         swap=0
 114         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 115         while IFS=: read -r file x size x
 116         do
 117           pid=''${file#/proc/}
 118           pid=''${pid%/smaps}
 119           size=''${size% kB}
 120           size=''${size##* }
 121           if test "$pid" = "$lastpid"
 122           then swap=$(( swap + size ))
 123           else
 124             if test "$swap" -gt 0
 125             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 126             fi
 127             if test "$pid" = self
 128             then break
 129             else
 130               lastpid=$pid
 131               swap=$size
 132             fi
 133           fi
 134         done |
 135         sort -nk1,1
 136       }
 137       edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
 138       edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
 139
 140       # Recursively mount not-mounted dataset,
 141       # loading their keys if needed.
 142       zfs-mount () {
 143         local d
 144         for d in $(zfs list -rH -o name "$@"); do
 145           mountpoint /mnt/"$d" 2>/dev/null ||
 146           sudo zfs mount -l "$d"
 147         done
 148       }
 149       # Recursively unmount dataset,
 150       # unloading their keys.
 151       zfs-unmount () { sudo zfs unmount -u "$@"; }
 152
 153       # Restore the inheritance of encryptionroot,
 154       # usually broken by zfs send --raw.
 155       # Note that it needs to decrypt the datasets.
 156       zfs-fix-encryptionroot () {
 157         local d
 158         zfs load-key "$1"
 159         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 160           echo >&2 "$d"
 161           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 162           zfs change-key -li "$d"
 163       done
 164       }
 165
 166       # Recursively remove all the snapshots of given datasets
 167       zfs-destroy-snapshots () {
 168         local d
 169         for d in "$@"; do
 170           zfs list -t snapshot -rHo name "$d" |
 171           xargs --no-run-if-empty -L1 zfs destroy
 172         done
 173       }
 174     '';
 175     profileExtra = ''
 176     '';
 177   };
 178   programs.direnv.enableBashIntegration = true;
 179   #programs.broot.enableBashIntegration = true;
 180   programs.readline = {
 181     enable = mkDefault true;
 182     includeSystemConfig = true;
 183     bindings = {
 184       # Up/Down
 185       "\\e[A" = "history-search-backward";
 186       "\\e[B" = "history-search-forward";
 187
 188       # Ctrl-Left/Ctrl-Right
 189       "\\e[1;5C" = "forward-word";
 190       "\\e[1;5D" = "backward-word";
 191       "\\e[5C" = "forward-word";
 192       "\\e[5D" = "backward-word";
 193       "\\e\\e[C" = "forward-word";
 194       "\\e\\e[D" = "backward-word";
 195
 196       # Home/End
 197       "\\e[1~" = "beginning-of-line";
 198       "\\e[4~" = "end-of-line";
 199
 200       # Delete/Insert
 201       "\\e[3~" = "delete-char";
 202       "\\e[2~" = "quoted-insert";
 203
 204       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 205       "\\eOF" = "end-of-line";
 206       "\\eOH" = "beginning-of-line";
 207
 208       # For freebsd console
 209       "\\e[F" = "end-of-line";
 210       "\\e[H" = "beginning-of-line";
 211
 212       # $if term=rxvt
 213       "\\e[7~" = "beginning-of-line";
 214       "\\e[8~" = "end-of-line";
 215       "\\eOc" = "forward-word";
 216       "\\eOd" = "backward-word";
 217       # $endif
 218     };
 219     variables = {
 220       # Be 8 bit clean.
 221       input-meta = mkDefault true;
 222       output-meta = mkDefault true;
 223       colored-completion-prefix = mkDefault true;
 224       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 225       echo-control-characters = mkDefault true;
 226       mark-symlinked-directories = mkDefault true;
 227       menu-complete-display-prefix = mkDefault true;
 228       show-all-if-ambiguous = mkDefault true;
 229       show-all-if-unmodified = mkDefault true;
 230       visible-stats = mkDefault false; # Append char to indicate type
 231       enable-bracketed-paste = mkDefault true;
 232     };
 233   };
 234 }