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import-db-if-empty

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Import a sql dump if database is empty

Use case

You want to import a sql dump automatically on ddev start if the database is empty so the user gets a full setup of the project. Another case would be, that you are running composer install on post-start hook, but your composer setup requires some data from the database (e.g. on a TYPO3 setup). ddev start will fail, as composer expects the data to be there and ddev import-db will also fail, as it needs the db container to be started, so it will simply run ddev start again.

Solution

Run a bash script like import-if-empty.sh on a post-start hook, which looks for a table in the database that should always be there and imports a database dump if check fails.

The hook setup might look like this; adjust the path to the script. If it's in your code repository, the script will mounted into /var/www/html/<relative_path>.

hooks:
  post-start:
  - exec: /var/www/html/import-if-empty.sh
  - exec: echo 'other post-start hooks will now be executed'