home-manager/profiles/bash.nix

   1 { pkgs, lib, ... }:
   2 {
   3   programs.bash = {
   4     enable = lib.mkDefault true;
   5     shellAliases = {
   6       black-on-white = "echo -e '\\033]11;black\\007\\033]10;white\\007'";
   7       c = "bat";
   8       cl = "clear";
   9       eic = "edit-in-commit";
  10       eigg = "edit-in-git-grep";
  11       emacs = "emacsclient --create-frame";
  12       g = "git";
  13       gg = "git grep";
  14       grep = "grep --color";
  15       j = "sudo journalctl -u";
  16       jb = "sudo journalctl -b";
  17       l = "ls -alh";
  18       ll = "ls -al";
  19       ls = "ls --color=tty";
  20       md-toc = "grep '^#\\+' --color";
  21       mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
  22       mem-top = "smem --sort rss --autosize";
  23       mpl = "mplayer";
  24       nf = "sudo nft list ruleset | less";
  25       nixos-clean = "sudo nix-collect-garbage -d";
  26       nixos-history = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
  27       nixos-rollback = "sudo nixos-rebuild switch --rollback";
  28       pass-gen = "tr -d -C A-Za-z0-9_- </dev/urandom | head -c";
  29       r = "reset";
  30       rsync = "rsync --no-inc-recursive --info=progress2 --inplace --partial";
  31       s = "sudo systemctl";
  32       st = "sudo systemctl status";
  33       theme-black-on-white = "echo -e '\\033]10;black\\007\\033]11;white\\007'";
  34       theme-white-on-black = "echo -e '\\033]10;white\\007\\033]11;black\\007'";
  35       u = "systemctl --user";
  36       ut = "systemctl --user status";
  37       w1 = "watch --color --differences --interval 1";
  38       w5 = "watch --color --differences --interval 5";
  39       w10 = "watch --color --differences --interval 10";
  40       w = "watch --color --differences";
  41       watch = "watch --color --differences";
  42       yt = "yt-dlp";
  43       zfs-umount = "zfs-unmount";
  44     };
  45     initExtra = ''
  46       # Alias completion
  47       . ${pkgs.complete-alias}/bin/complete_alias
  48       complete -F _complete_alias "''${!BASH_ALIASES[@]}"
  49
  50       shopt -s globstar
  51       shopt -s histreedit
  52       shopt -s histverify
  53       # Disable ctrl-s/ctrl-q flow control
  54       stty -ixon
  55
  56       ibm-fan () {
  57         if [ $# -gt 0 ]
  58         then sudo tee /proc/acpi/ibm/fan <<<"level $1"
  59         else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
  60         fi
  61         acpi -t
  62       }
  63       mkcd () {
  64         mkdir -p "$1" &&
  65         cd "$1"
  66       }
  67       smartctl-tbw () {
  68         device=''${1:-/dev/sda}
  69         sudo smartctl -A $device |
  70         { awk '
  71           $0 ~ /Power_On_Hours/ { poh=$10; printf "%s / %d hours / %d days / %.2f years\n",  $2, $10, $10 / 24, $10 / 24 / 365.25 }
  72           $0 ~ /Total_LBAs_Written/ {
  73               lbas = $10;
  74               bytes = $10 * 512;
  75               mb = bytes / 1024^2;
  76               gb = bytes / 1024^3;
  77               tb = bytes / 1024^4;
  78               printf "%s / %s  / %d mb / %.1f gb / %.3f tb\n", $2, $10, mb, gb, tb
  79               printf "mean writes per hour:  / %.2f",  mb/poh
  80           }
  81           $0 ~ /Airflow_Temperature_Cel/ { print $2 " / " $10}
  82           $0 ~ /Wear_Leveling_Count/ { printf "%s / %d (%% health)\n", $2, int($4) }
  83         '; echo; } |
  84         sed -e 's:/:@:' |
  85         sed -e "s\$^\$$device @ \$" |
  86         column -ts@
  87       }
  88       swaplist () {
  89         lastpid=
  90         swap=0
  91         sudo grep -H '^Swap:' /proc/*/smaps 2>/dev/null |
  92         while IFS=: read -r file x size x
  93         do
  94           pid=''${file#/proc/}
  95           pid=''${pid%/smaps}
  96           size=''${size% kB}
  97           size=''${size##* }
  98           if test "$pid" = "$lastpid"
  99           then swap=$(( swap + size ))
 100           else
 101             if test "$swap" -gt 0
 102             then printf "%u pid=%u cmd=%s\n" "$swap" "$lastpid" "$(tr '\000' ' ' </proc/"$lastpid"/cmdline)"
 103             fi
 104             if test "$pid" = self
 105             then break
 106             else
 107               lastpid=$pid
 108               swap=$size
 109             fi
 110           fi
 111         done |
 112         sort -nk1,1
 113       }
 114       edit-in-commit () { $EDITOR $(git diff-tree --no-commit-id --name-only -r "$@"); }
 115       edit-in-git-grep () { $EDITOR $(git grep --name-only --recursive "$@"); }
 116       zfs-mount () { for d in $(zfs list -rH -o name "$@"); do sudo zfs mount -l "$d"; done; }
 117       zfs-unmount () { sudo zfs unmount -u "$@"; }
 118     '';
 119     profileExtra = ''
 120   '';
 121   };
 122   programs.direnv.enableBashIntegration = true;
 123   #programs.broot.enableBashIntegration = true;
 124   home.sessionVariables = {
 125     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)\$ '';
 126   };
 127   programs.readline = {
 128     enable = lib.mkDefault true;
 129     includeSystemConfig = true;
 130     bindings = {
 131       "\\eOF" = "end-of-line";
 132       "\\eOH" = "beginning-of-line";
 133       "\\e[1;5C" = "forward-word";
 134       "\\e[1;5D" = "backward-word";
 135       "\\e[1~" = "beginning-of-line";
 136       "\\e[4~" = "end-of-line";
 137       "\\e[5C" = "forward-word";
 138       "\\e[5D" = "backward-word";
 139       "\\e[7~" = "beginning-of-line";
 140       "\\e[8~" = "end-of-line";
 141       "\\e[A" = "history-search-backward";
 142       "\\e[B" = "history-search-forward";
 143       "\\e[F" = "end-of-line";
 144       "\\e[H" = "beginning-of-line";
 145       "\\e\\e[C" = "forward-word";
 146       "\\e\\e[D" = "backward-word";
 147     };
 148     variables = {
 149       colored-completion-prefix = lib.mkDefault true;
 150       colored-stats = lib.mkDefault true; # Note that this may cause completion text blink in some terminals (e.g. xterm).
 151       echo-control-characters = lib.mkDefault true;
 152       mark-symlinked-directories = lib.mkDefault true;
 153       menu-complete-display-prefix = lib.mkDefault true;
 154       show-all-if-ambiguous = lib.mkDefault true;
 155       show-all-if-unmodified = lib.mkDefault true;
 156       visible-stats = lib.mkDefault false; # Append char to indicate type
 157     };
 158   };
 159 }