gpg behind proxy results in gpgkeys: HTTP fetch error 7: couldn’t connect to host

To get something like

sudo add-apt-repository ppa:webupd8team/java

work behind a proxy I had to add http_proxy and https_proxy into my /etc/environment file. Don’t forget to source the file or to relogin after changes in it. With theses entries I had to use

sudo -E add-apt-repository ppa:webupd8team/java

telling sudo to preserve existing env variables. Now it’s working for me.

Till now I didn’t get apt-key add or gpg alone to import a key from web behind a proxy. I downloaded the keys manually and imported them. So let me know if you know how to do it.

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