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