Files
doomemacs/bin
Henrik Lissner 498966179f perf(cli): doom: reduce init time
Even `emacs --batch -f kill-emacs` can take a non-trivial amount of time
to start up (0.661s on my system). This makes the two `emacs` calls in
bin/doom's shebang amount to >1s of startup time for Doom scripts (~1.5s
on my system). This change removes the second call (or at least defers
it until the after-script; at least, if $TMPDIR or $TEMP aren't set),
bringing down that time to a more bearable 0.9s.

This sacrifices the more descriptive "Can't find Emacs in your $PATH"
error message should the user set their own $EMACS, but the alternative
bash error is good enough:

  $ EMACS=foo doom version
  /home/$USER/.config/emacs/bin/doom: line 12: foo: command not found

I'm not doing more sophisticated checks on $EMACS, because it could be a
command (like `flatpak run org.gnu.emacs`), rather than an executable or
path, and the boilerplate to handle that, within what small space we get
in bin/doom's shebang, would be too much maintenance headache just for a
slightly better error message.
2024-09-10 00:06:03 -04:00
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2024-09-10 00:06:03 -04:00