dotfiles/.config/nixpkgs/elvish/lib/config.elv

use prompt
use nix-shell

# import local.elv if present, for example, from ~/.config/elvish/lib/local.elv
try {
  use local
} catch e {
}

edit:add-var ls~ { |@a|
  e:ls --color=auto --group-directories-first -F --quoting-style literal $@a
}

if (has-external yadm) {
  set-env YADM_OVERRIDE_REPO ~/.dotfiles
} else {
  edit:add-var yadm~ { |@a| git --git-dir=~/.dotfiles/ --work-tree=~ $@a }
}

if (has-external difft) {
  set-env GIT_EXTERNAL_DIFF difft
}

if (has-external delta) {
  set-env GIT_PAGER delta
}

# some additional bindings
use readline-binding
set edit:completion:binding[Ctrl-W] = $edit:close-mode~
set edit:completion:binding[Tab] = $edit:completion:accept~

var max-len = 30

# print time if command takes longer than 5 seconds
set edit:after-command = [{|m|
  if (> $m[duration] 5) {
    var cmd = $m[src][code]
    var len = (count $cmd)
    if (> $len $max-len) {
      set cmd = $cmd[..$max-len]…
    }
    printf "%s took %.3fs\n" $cmd $m[duration]
  }
}]