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