The post-upgrade script in pmos-base isn't symlinked to the post-install
script, so zram-init wasn't being enabled on systems that upgraded to
the pmos-base version that intro'd this feature. I think this should
have been enabled by default on upgraded systems. There's a deviceinfo
toggle for it, so users who won't want to use this can set that var to
disable it, in that case having the service enabled is basically a
no-op.
Update by Oliver: add a comment to mention the deviceinfo variable
[ci:skip-build]: already built successfully in CI
So that old installations that run setup-timezone without "-i" do not
need to execute manual steps to get sensible timezone configurations.
See https://gitlab.com/postmarketOS/pmaports/-/issues/2168 for more context
Fixes#2168
[ci:skip-build]: already built successfully in CI
Add post-upgrade file with a warning, so we don't symlink it to the
post-install script.
[ci:skip-vercheck]: no need to rebuild the package
Related: build.postmarketos.org#85
