Jellyfin v12.0-rc2 data migration and removal of v10.11.x data.

[DevGitPit]

jellyfin-server for the current 12.0-rc2 release, requires data directory change between Jellyfin 10.11.x and
12.0: (see jellyfin/jellyfin#17214 for the upstream-side report).

Currently harcoding --datadir going forward, plus
a one-time migration block in the service script (TERMUX_PKG_SERVICE_SCRIPT)
that copies old library content forward and fixes stale DB paths if it
detects the old location populated and the new one empty. I am just copying data and that leaves data in two places.

My question is, should I (I shouldn't) do a delete or rename of old data/data dirs in the service script? Or maybe a one time migration script that user can run if he has previously installed jellyfin-server but where would that go?

Any check I can put there should mostly be considered unreliable before deciding to delete old data or even thinking that the migration will succeed or was succeeded.

These are currently only be decided by user. How do I do the message passing? I mean usually I go to Termux's Reddit and post the debs and write instructions for new packages/updates.

Since I have a running instance of jellyfin v12 that I have been testing for days now, I can confirm that it is working fine and migration worked. But migration+pruning logic in the script is still unclear.

PS- I had to add a libskiasharp3 pkg separately, which jellyfin needs. (DevGitPit@b73446f8ec) and here is the build.sh for jellyfin bump- (DevGitPit@88d721cb33)

One lazy idea I have is I should just post to Reddit and whoever wants to install this and migrated can do it using instructions provided there and later on someone can just publish jellyfin stable which would just work fine updating over v12.0-rc2

[robertkirkman]

These are currently only be decided by user. How do I do the message passing? I mean usually I go to Termux's Reddit and post the debs and write instructions for new packages/updates.

please post a message with directions about what to do in the postinst script of the package, like this:

termux-packages/packages/python/build.sh

Lines 183 to 191 in d757c44

	if [[ -d $TERMUX_PREFIX/lib/python3.11/site-packages || -d $TERMUX_PREFIX/lib/python3.12/site-packages ]]; then
	echo
	echo "NOTE: The system python package has been updated to 3.13."
	echo "NOTE: Run 'pkg upgrade' to update system python packages."
	echo "NOTE: Packages installed using pip needs to be re-installed."
	echo
	fi
	exit 0

This message:

• should never contain interactive prompts like read command, etc.
• should be short and clear
• should not automatically delete old data during the upgrade
• should explain that running the service script command will migrate the data and delete the old data

the service script migration command:

• may have an interactive prompt if desired, but may also run automatically if that is better
• may move data to the new location in a way that deletes it from the old location; mv command preferred but if that does not meet the needs for some reason, cp and rm are also fine