ChanServ changed the topic of #nixos-emacs to: https://github.com/NixOS/nixpkgs/issues/66303 | https://rms.sexy
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<ezemtsov> Hi people. Could somebody explain how to install emacs27 by using emacs-overlay?
<ezemtsov> I tried to get into documentation on github, but it expects me to have some knowledge that I don't currently have
<etu> ezemtsov: Hey, what have you attempted so far?
<etu> So we can work from there :)
<ezemtsov> currently I have nixpkgs.overlays = [(import emacsTarball)]; and then just emacs in the list of packages to install
<ezemtsov> it gives me 26.3. I can use emacsGit then it compiles latest version of emacs from Git
<ezemtsov> but is there a precompiled version of 27?
<etu> hmm
<etu> You seem to have done it right then :)
<ezemtsov> also why official nixpkgs is not updated to 27?
<etu> We don't have cached builds for emacs27 yet
<etu> Because it's not released
<ezemtsov> oh, I see. Maybe I should wait then. Thanks a lot!
<etu> Emacs has quite long development cycles :)
<etu> I've been running emacs27 for quite a while, and it's overall quite stable. All modes that I use work etc.
<etu> And it has some performance improvements in certain areas
<ezemtsov> I'm mainly interested in LSP performance, it is supposed to be much faster
<etu> The protocol uses JSON right?
<etu> Because JSON-parsing is one of the major things in 27
<ezemtsov> afaik yes
<ezemtsov> that's the reason I want it :)
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<adisbladis> It's also why I haven't bothered with cached builds yet
<adisbladis> There is so much package churn that any built binary is not valid for long
<adisbladis> And they'd have to be built on top of the same channel revision, so even less of a point in binary cache :)
<etu> adisbladis: That becomes better with flakes ;)
<etu> adisbladis: Maybe we should make a flake of it as well? :)
<etu> Maybe a bit too early days though
<adisbladis> etu: I'm all for this, same there though, not particularly useful yet :)
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