On Fri, 20 Jul 2018, the wise Benny Siegert wrote:
git branch --set-upstream-to=origin/masterThis results in: fatal: branch 'master' does not existTry "git fetch origin master". If you get another Permission denied, check the page I linked to earlier and verify that your ~/.ssh/config is correct.
I do still get a Permission denied. The ~/.ssh/config is exactly as described on the website.
I get the impression that my ssh isn't working as expected but I've no idea what's wrong.
-- Expect the worst. It's the least you can do.