home-manager/profiles/bash.nix

   1 { pkgs, lib, config, ... }:
   2 {
   3 programs.bash = {
   4   enable = lib.mkDefault true;
   5   shellAliases = {
   6     cl = "clear";
   7     eic = "edit-in-commit";
   8     eigg = "edit-in-git-grep";
   9     emacs = "emacsclient --create-frame";
  10     g = "git";
  11     grep = "grep --color";
  12     j="sudo journalctl -u";
  13     jb="sudo journalctl -b";
  14     l = "ls -alh";
  15     ll = "ls -al";
  16     ls = "ls --color=tty";
  17     md-toc = "grep '^#\\+' --color";
  18     mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  19     mem-top = "smem --sort rss --autosize";
  20     mpl = "mplayer";
  21     nixos-clean="sudo nix-collect-garbage -d";
  22     nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  23     nixos-rollback="sudo nixos-rebuild switch --rollback";
  24     pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  25     rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  26     s="sudo systemctl";
  27     st="sudo systemctl status";
  28     u="systemctl --user";
  29     ut="systemctl --user status";
  30     yt = "yt-dlp";
  31     watch = "watch --color --differences";
  32     zfs-umount = "zfs-unmount";
  33   };
  34   initExtra = ''
  35     shopt -s globstar
  36     # Disable ctrl-s/ctrl-q flow control
  37     stty -ixon
  38
  39     ibm-fan () {
  40       if [ $# -gt 0 ]
  41       then sudo tee /proc/acpi/ibm/fan <<<"level $1"
  42       else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
  43       fi
  44       acpi -t
  45     }
  46     mkcd () {
  47       mkdir -p "$1" &&
  48       cd "$1"
  49     }
  50     smartctl-tbw () {
  51       device=''${1:-/dev/sda}
  52       sudo smartctl -A $device |
  53       { awk '
  54         $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
  55         $0 ~ /Total_LBAs_Written/ {
  56             lbas = $10;
  57             bytes = $10 * 512;
  58             mb = bytes / 1024^2;
  59             gb = bytes / 1024^3;
  60             tb = bytes / 1024^4;
  61             printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
  62             printf "mean writes per hour:  / %.2f",  mb/poh
  63         }
  64         $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
  65         $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
  66       '; echo; } |
  67       sed -e 's:/:@:' |
  68       sed -e "s\$^\$$device @ \$" |
  69       column -ts@
  70     }
  71     swaplist () {
  72       lastpid=
  73       swap=0
  74       sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
  75       while IFS=: read -r file x size x
  76       do
  77         pid=''${file#/proc/}
  78         pid=''${pid%/smaps}
  79         size=''${size% kB}
  80         size=''${size##* }
  81         if test "$pid" = "$lastpid"
  82         then swap=$(( swap + size ))
  83         else
  84           if test "$swap" -gt 0
  85           then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
  86           fi
  87           if test "$pid" = self
  88           then break
  89           else
  90             lastpid=$pid
  91             swap=$size
  92           fi
  93         fi
  94       done |
  95       sort -nk1,1
  96     }
  97     edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
  98     edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
  99     zfs-mount () { for d in $(zfs list -rH -o name "$@"); do sudo zfs mount -l "$d"; done; }
 100     zfs-unmount () { sudo zfs unmount -u "$@"; }
 101   '';
 102   profileExtra = ''
 103   '';
 104 };
 105 programs.direnv.enableBashIntegration = true;
 106 programs.broot.enableBashIntegration = true;
 107 home.sessionVariables = {
 108   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)\$ '';
 109 };
 110 programs.readline = {
 111   enable = lib.mkDefault true;
 112   includeSystemConfig = true;
 113   bindings = {
 114     "\\eOF"    = "end-of-line";
 115     "\\eOH"    = "beginning-of-line";
 116     "\\e[1;5C" = "forward-word";
 117     "\\e[1;5D" = "backward-word";
 118     "\\e[1~"   = "beginning-of-line";
 119     "\\e[4~"   = "end-of-line";
 120     "\\e[5C"   = "forward-word";
 121     "\\e[5D"   = "backward-word";
 122     "\\e[7~"   = "beginning-of-line";
 123     "\\e[8~"   = "end-of-line";
 124     "\\e[A"    = "history-search-backward";
 125     "\\e[B"    = "history-search-forward";
 126     "\\e[F"    = "end-of-line";
 127     "\\e[H"    = "beginning-of-line";
 128     "\\e\\e[C" = "forward-word";
 129     "\\e\\e[D" = "backward-word";
 130   };
 131   variables = {
 132     colored-completion-prefix = lib.mkDefault true;
 133     colored-stats = lib.mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 134     echo-control-characters = lib.mkDefault true;
 135     mark-symlinked-directories = lib.mkDefault true;
 136     menu-complete-display-prefix = lib.mkDefault true;
 137     show-all-if-ambiguous = lib.mkDefault true;
 138     show-all-if-unmodified = lib.mkDefault true;
 139     visible-stats = lib.mkDefault false; # Append char to indicate type
 140   };
 141 };
 142 }