cache-nix-action

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Description of a problem the feature solves

I am using ca-derivations to reduce unnecessary rebuilds. Using this GitHub action, it succeeds on the first build, but fails on the second time with an error:

error: creating statement '
                       insert into Realisations (drvPath, outputName, outputPath, signatures)
                       values (?, ?, (select id from ValidPaths where path = ?), ?)
                       ;
                   ': SQL logic error, no such table: Realisations (in '/nix/var/nix/db/db.sqlite')
Error: Process completed with exit code 1.

Describe the solution you'd like

Creates required table in https://github.com/nix-community/cache-nix-action/blob/main/src/templates/merge.sql

Describe alternatives you've considered

Do nothing

Additional context

https://github.com/mythal/boluo/actions/runs/14769733526/job/41467895552