Comment 7 for bug 1766055

After enabling the -proposed pocket:

$ apt source linux
Reading package lists... Done
NOTICE: 'linux' packaging is maintained in the 'Git' version control system at:
git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic
Please use:
git clone git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/bionic
to retrieve the latest (possibly unreleased) updates to the package.
Need to get 165 MB of source archives.
Get:1 http://archive.ubuntu.com/ubuntu bionic-proposed/main linux 4.15.0-26.28 (dsc) [7793 B]
[...]