jscheffl opened a new pull request, #67047:
URL: https://github.com/apache/airflow/pull/67047

   Git Dag Budle does currently always a full clone of the Git repo. Not good 
in cases when you run Airflow on a big monorepo.
   
   This PR adds support for Git Sparse Checkout.
   
   I experimented a bit around, initial clone is still large as if first bare 
close in made with `--filter=blob:none` which would be optimal, then the local 
clones of the bare are not able to resolve the object SHAs and miss reference. 
Due to structure with clone from bare clone I have no idea to slim initial 
clone down. Might be future improvement for a Git expert. Or strategy with 
clone from bare clone need to be revised.
   
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