home-manager/profiles/bash.nix

   1 { pkgs, lib, ... }:
   2 with lib;
   3 {
   4   programs.bash = {
   5     enable = mkDefault true;
   6     shellAliases = {
   7       afk = "xset s activate dpms force off";
   8       black-on-white = "echo -e '\\033]11;black\\007\\033]10;white\\007'";
   9       c = "bat";
  10       cl = "clear";
  11       emacs = "emacsclient --create-frame";
  12       g = "git";
  13       ge = "git-edit-commit";
  14       gg = "git grep";
  15       gge = "git-grep-edit";
  16       grep = "grep --color";
  17       j = "sudo journalctl -u";
  18       jb = "sudo journalctl -b";
  19       ju = "sudo journalctl --user -u";
  20       l = "ls -alh";
  21       ll = "ls -al";
  22       ls = "ls --color=tty";
  23       md-toc = "grep '^#\\+' --color";
  24       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  25       mem-top = "smem --sort rss --autosize";
  26       mpl = "mplayer";
  27       nf = "sudo nft list ruleset | less";
  28       nix-du-svg = "nix-du | dot -Tsvg >nix-du.svg";
  29       nixos-clean = "sudo nix-collect-garbage -d";
  30       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  31       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  32       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  33       r = "reset";
  34       rot13 = "tr A-Za-z N-ZA-Mn-za-m";
  35       rot135 = "tr A-Za-z0-9 N-ZA-Mn-za-m5-90-4";
  36       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  37       s = "sudo systemctl";
  38       st = "sudo systemctl status";
  39       t = "tmux";
  40       t0 = "tmux new -t 0";
  41       t1 = "tmux new -t 1";
  42       t2 = "tmux new -t 2";
  43       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  44       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  45       u = "systemctl --user";
  46       ut = "systemctl --user status";
  47       w1 = "watch --color --differences --interval 1";
  48       w5 = "watch --color --differences --interval 5";
  49       w10 = "watch --color --differences --interval 10";
  50       w = "watch --color --differences";
  51       watch = "watch --color --differences";
  52       ze = "sudo zpool export";
  53       zfs-umount = "zfs-unmount";
  54       zi = "sudo zpool import";
  55       zl = "zfs list";
  56       zlb = "zfs list -t bookmarks";
  57       zls = "zfs list -t snap";
  58       zm = "zfs-mount";
  59       zu = "zfs-unmount";
  60     };
  61     sessionVariables = {
  62       HISTCONTROL = "erasedups:ignorespace";
  63       HISTSIZE = "42000";
  64       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)\$ '';
  65     };
  66     initExtra = ''
  67       # Alias completion
  68       . ${pkgs.complete-alias}/bin/complete_alias
  69       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  70
  71       shopt -s globstar
  72       shopt -s histappend
  73       shopt -s histreedit
  74       shopt -s histverify
  75       # Disable ctrl-s/ctrl-q flow control
  76       stty -ixon
  77
  78       ffmpeg-audio () {
  79         for i in "$@"; do
  80           ffmpeg -i "$i" -vn -map 0:a -acodec copy "''${i%.*}".audio
  81         done
  82       }
  83       ffmpeg-opus () {
  84         for i in "$@"; do
  85           ffmpeg -i "$i" -vn -map 0:a -c:a libopus -b:a 64k -application voip "''${i%.*}".opus
  86         done
  87       }
  88       ibm-fan () {
  89         if [ $# -gt 0 ]
  90         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
  91         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
  92         fi
  93         acpi -t
  94       }
  95       mkcd () {
  96         mkdir -p "$1" &&
  97         cd "$1"
  98       }
  99       mkpass () {
 100         tr -d -C 'A-Za-z0-9' </dev/urandom | head -c 25 | xclip
 101       }
 102       opusenc-voice () {
 103         find "$@" -depth -type f -print0 | sort -n -z |
 104         xargs -0 -P "$(lscpu --online -p | grep -v "#" | wc -l)" -I {} bash -c '
 105             test -e "''${0%.*}".opus ||
 106             nice -n 19 ffmpeg -y -i "$0" -map 0:a -b:a 32k -application voip "''${0%.*}".opus
 107           ' {} \;
 108       }
 109       smartctl-tbw () {
 110         device=''${1:-/dev/sda}
 111         sudo smartctl -A $device |
 112         { awk '
 113           $0 ~ /Power_On_Hours/ {
 114             poh=$10;
 115             printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25
 116           }
 117           $0 ~ /Total_LBAs_Written/ {
 118             lbas = $10;
 119             bytes = $10 * 512;
 120             mb = bytes / 1024^2;
 121             gb = bytes / 1024^3;
 122             tb = bytes / 1024^4;
 123             printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
 124             printf "mean writes per hour / %.2f",  mb/poh
 125           }
 126           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
 127           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
 128           $0 ~ /Percentage Used:/ { printf "Percentage_Used / %d\n", int($3) }
 129         '; echo; } |
 130         sed -e 's:/:@:' |
 131         sed -e "s\$^\$$device @ \$" |
 132         column -ts@
 133       }
 134       stress-mem() { fac="$1"; stress-ng --vm 1 --vm-keep --vm-bytes $(awk "/MemAvailable/{ printf \"%d\n\", \$2 * $fac; }" </proc/meminfo)k; }
 135       sysenter() { srv="$1"; shift; nsenter -a -t "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 136       systrace() { srv="$1"; shift; strace -f -p "$(systemctl show --property MainPID --value "$srv")" "$@"; }
 137       swaplist () {
 138         lastpid=
 139         swap=0
 140         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
 141         while IFS=: read -r file x size x
 142         do
 143           pid=''${file#/proc/}
 144           pid=''${pid%/smaps}
 145           size=''${size% kB}
 146           size=''${size##* }
 147           if test "$pid" = "$lastpid"
 148           then swap=$(( swap + size ))
 149           else
 150             if test "$swap" -gt 0
 151             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 152             fi
 153             if test "$pid" = self
 154             then break
 155             else
 156               lastpid=$pid
 157               swap=$size
 158             fi
 159           fi
 160         done |
 161         sort -nk1,1
 162       }
 163       git-edit-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
 164       git-grep-edit () { $EDITOR $(git grep --name-only --recursive "$@"); }
 165
 166       # Recursively mount not-mounted dataset,
 167       # loading their keys if needed.
 168       zfs-mount () {
 169         local d
 170         local -
 171         set -e
 172         for d in $(zfs list -rH -o name "$@"); do
 173           mountpoint /mnt/"$d" 2>/dev/null ||
 174           sudo zfs mount -l "$d"
 175         done
 176       }
 177       # Recursively unmount dataset,
 178       # unloading their keys.
 179       zfs-unmount () { sudo zfs unmount -u "$@"; }
 180
 181       # Create bookmarks for all the snapshots of the given datasets.
 182       # Bookmarks are only useful on source datasets
 183       # But syncoid --create-bookmark only creates
 184       # a bookmark for the latest snapshot,
 185       # possibly leaving the *_daily or *_monthly snapshots without a bookmark.
 186       zfs-fix-bookmarks () {
 187         local d
 188         local -
 189         set -x
 190         for d in "$@"; do
 191           for s in $(zfs list -Hrpt snapshot -o name "$d"); do
 192             zfs bookmark "$s" "''${s//@/#}"
 193           done
 194         done
 195       }
 196
 197       # Restore the inheritance of encryptionroot,
 198       # usually broken by zfs send --raw.
 199       # Note that it needs to decrypt the datasets.
 200       zfs-fix-encryptionroot () {
 201         local d
 202         zfs load-key "$1"
 203         for d in $(zfs list -rHo name "$1" | tail -n +2); do
 204           echo >&2 "$d"
 205           test "$(zfs get -Ho value encryptionroot $d)" = "$1" ||
 206           zfs change-key -li "$d"
 207       done
 208       }
 209
 210       # Recursively remove all the snapshots of given datasets
 211       zfs-destroy-snapshots () {
 212         local d
 213         for d in "$@"; do
 214           zfs list -t snapshot -rHo name "$d" |
 215           xargs --no-run-if-empty -L1 zfs destroy
 216         done
 217       }
 218     '';
 219     profileExtra = ''
 220     '';
 221   };
 222   programs.direnv.enableBashIntegration = true;
 223   #programs.broot.enableBashIntegration = true;
 224   programs.readline = {
 225     enable = mkDefault true;
 226     includeSystemConfig = true;
 227     bindings = {
 228       # Up/Down
 229       "\\e[A" = "history-search-backward";
 230       "\\e[B" = "history-search-forward";
 231       "\\eOA" = "history-search-backward";
 232       "\\eOB" = "history-search-forward";
 233
 234       # Ctrl-Left/Ctrl-Right
 235       "\\e[1;5C" = "forward-word";
 236       "\\e[1;5D" = "backward-word";
 237       "\\e[5C" = "forward-word";
 238       "\\e[5D" = "backward-word";
 239       "\\e\\e[C" = "forward-word";
 240       "\\e\\e[D" = "backward-word";
 241
 242       # Home/End
 243       "\\e[1~" = "beginning-of-line";
 244       "\\e[4~" = "end-of-line";
 245
 246       # Delete/Insert
 247       "\\e[3~" = "delete-char";
 248       "\\e[2~" = "quoted-insert";
 249
 250       # For non RH/Debian xterm, can't hurt for RH/Debian xterm
 251       "\\eOF" = "end-of-line";
 252       "\\eOH" = "beginning-of-line";
 253
 254       # For freebsd console
 255       "\\e[F" = "end-of-line";
 256       "\\e[H" = "beginning-of-line";
 257
 258       # $if term=rxvt
 259       "\\e[7~" = "beginning-of-line";
 260       "\\e[8~" = "end-of-line";
 261       "\\eOc" = "forward-word";
 262       "\\eOd" = "backward-word";
 263       # $endif
 264     };
 265     variables = {
 266       # Be 8 bit clean.
 267       input-meta = mkDefault true;
 268       output-meta = mkDefault true;
 269       colored-completion-prefix = mkDefault true;
 270       colored-stats = mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 271       echo-control-characters = mkDefault true;
 272       mark-symlinked-directories = mkDefault true;
 273       menu-complete-display-prefix = mkDefault true;
 274       show-all-if-ambiguous = mkDefault true;
 275       show-all-if-unmodified = mkDefault true;
 276       visible-stats = mkDefault false; # Append char to indicate type
 277       enable-bracketed-paste = mkDefault true;
 278     };
 279   };
 280 }