Discussion on: Easy Dark Mode for Slack

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Replies for: well, sounds like you don't have the right permissions to edit that file. just add sudo at the beginning of the one-liner (on a  ctrl + a gets yo...

Should have said this in my original post, but sudo doesn't seem to help. I have admin permissions on this computer, though it's running Mojave and I'm not sure if that added any complications. I also dragged Terminal into "Full Disk Access" in Security & Privacy preferences just to be sure. Weird.

Fynn • Oct 22 '18

well, admin permissions and sudo aren't really the same. some files have an extra layer of "protection".

what does ls -la /Applications/Slack.app/Contents/Resources/app.asar.unpacked/src/static/ssb-interop.js say?

Teddy Svoronos • Oct 22 '18

Here's what I get:

-rw-r--r-- 1 root wheel 3806 Oct 22 09:03 /Applications/Slack.app/Contents/Resources/app.asar.unpacked/src/static/ssb-interop.js

(I edited the file manually this morning to get it working)

Fynn • Oct 22 '18

yeah so the file belongs to the root user.. not you, meaning you have to use sudo or chown

Sven Bendel • Oct 29 '18

Just use

echo 'document.addEventListener("DOMContentLoaded", function() {$.ajax({url: "https://cdn.rawgit.com/laCour/slack-night-mode/master/css/raw/black.css",success: function(css) {let overrides = "code { background-color: #535353; color: #85c5ff; } .c-mrkdwn__pre, .c-mrkdwn__quote { background: #535353 !important; background-color: #535353 !important; }"; $("<style></style>").appendTo("head").html(css + overrides);}});});' | sudo tee -a /Applications/Slack.app/Contents/Resources/app.asar.unpacked/src/static/ssb-interop.js

to fix your permission issues.