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