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       l = "ls -alh";
  19       ll = "ls -al";
  20       ls = "ls --color=tty";
  21       md-toc = "grep '^#\\+' --color";
  22       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  23       mem-top = "smem --sort rss --autosize";
  24       mpl = "mplayer";
  25       nf = "sudo nft list ruleset | less";
  26       nixos-clean = "sudo nix-collect-garbage -d";
  27       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  28       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  29       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  30       r = "reset";
  31       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  32       s = "sudo systemctl";
  33       st = "sudo systemctl status";
  34       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  35       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  36       u = "systemctl --user";
  37       ut = "systemctl --user status";
  38       w1 = "watch --color --differences --interval 1";
  39       w5 = "watch --color --differences --interval 5";
  40       w10 = "watch --color --differences --interval 10";
  41       w = "watch --color --differences";
  42       watch = "watch --color --differences";
  43       yt = "yt-dlp";
  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 "$1"
  73       }
  74       mkpass () {
  75         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
  76       }
  77       smartctl-tbw () {
  78         device=''${1:-/dev/sda}
  79         sudo smartctl -A $device |
  80         { awk '
  81           $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
  82           $0 ~ /Total_LBAs_Written/ {
  83               lbas = $10;
  84               bytes = $10 * 512;
  85               mb = bytes / 1024^2;
  86               gb = bytes / 1024^3;
  87               tb = bytes / 1024^4;
  88               printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
  89               printf "mean writes per hour:  / %.2f",  mb/poh
  90           }
  91           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
  92           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
  93         '; echo; } |
  94         sed -e 's:/:@:' |
  95         sed -e "s\$^\$$device @ \$" |
  96         column -ts@
  97       }
  98       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
  99       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 100       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 101       swaplist () {
 102         lastpid=
 103         swap=0
 104         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 105         while IFS=: read -r file x size x
 106         do
 107           pid=''${file#/proc/}
 108           pid=''${pid%/smaps}
 109           size=''${size% kB}
 110           size=''${size##* }
 111           if test "$pid" = "$lastpid"
 112           then swap=$(( swap + size ))
 113           else
 114             if test "$swap" -gt 0
 115             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 116             fi
 117             if test "$pid" = self
 118             then break
 119             else
 120               lastpid=$pid
 121               swap=$size
 122             fi
 123           fi
 124         done |
 125         sort -nk1,1
 126       }
 127       edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
 128       edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
 129
 130       # Recursively mount not-mounted dataset,
 131       # loading their keys if needed.
 132       zfs-mount () {
 133         for d in $(zfs list -rH -o name "$@"); do
 134           mountpoint /mnt/"$d" 2>/dev/null ||
 135           sudo zfs mount -l "$d"
 136         done
 137       }
 138       # Recursively unmount dataset,
 139       # unloading their keys.
 140       zfs-unmount () { sudo zfs unmount -u "$@"; }
 141
 142       # Restore the inheritance of encryptionroot,
 143       # usually broken by zfs send --raw.
 144       # Note that it needs to decrypt the datasets.
 145       zfs-fix-encryptionroot () {
 146         zfs load-key "$1"
 147         for i in $(zfs list -rHo name "$1" | tail -n +2); do
 148           echo >&2 "$i"
 149           test "$(zfs get -Ho value encryptionroot $i)" = "$1" ||
 150           zfs change-key -li "$i"
 151       done
 152       }
 153     '';
 154     profileExtra = ''
 155     '';
 156   };
 157   programs.direnv.enableBashIntegration = true;
 158   #programs.broot.enableBashIntegration = true;
 159   programs.readline = {
 160     enable = mkDefault true;
 161     includeSystemConfig = true;
 162     bindings = {
 163       # Up/Down
 164       "\\e[A" = "history-search-backward";
 165       "\\e[B" = "history-search-forward";
 166
 167       # Ctrl-Left/Ctrl-Right
 168       "\\e[1;5C" = "forward-word";
 169       "\\e[1;5D" = "backward-word";
 170       "\\e[5C" = "forward-word";
 171       "\\e[5D" = "backward-word";
 172       "\\e\\e[C" = "forward-word";
 173       "\\e\\e[D" = "backward-word";
 174
 175       # Home/End
 176       "\\e[1~" = "beginning-of-line";
 177       "\\e[4~" = "end-of-line";
 178
 179       # Delete/Insert
 180       "\\e[3~" = "delete-char";
 181       "\\e[2~" = "quoted-insert";
 182
 183       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 184       "\\eOF" = "end-of-line";
 185       "\\eOH" = "beginning-of-line";
 186
 187       # For freebsd console
 188       "\\e[F" = "end-of-line";
 189       "\\e[H" = "beginning-of-line";
 190
 191       # $if term=rxvt
 192       "\\e[7~" = "beginning-of-line";
 193       "\\e[8~" = "end-of-line";
 194       "\\eOc" = "forward-word";
 195       "\\eOd" = "backward-word";
 196       # $endif
 197     };
 198     variables = {
 199       # Be 8 bit clean.
 200       input-meta = mkDefault true;
 201       output-meta = mkDefault true;
 202       colored-completion-prefix = mkDefault true;
 203       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 204       echo-control-characters = mkDefault true;
 205       mark-symlinked-directories = mkDefault true;
 206       menu-complete-display-prefix = mkDefault true;
 207       show-all-if-ambiguous = mkDefault true;
 208       show-all-if-unmodified = mkDefault true;
 209       visible-stats = mkDefault false; # Append char to indicate type
 210       enable-bracketed-paste = mkDefault true;
 211     };
 212   };
 213 }