Is it possible to read the Git commit message within PSHs build/deploy hooks?

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Joachim Beck

Hi there,
my usecase is about optimising the cache invalidation in my app.

Not all releases need an overall cache flush. Skipping these scripts within the build/deploy hooks in ``.platform.app.yaml` depending on the Git commit message would solve this.

Example: Updating just a README file
git commit -m “TASK: Update README #skipcacheflush”

Anyone done that before?

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    Chad Carlson

    Hi @beck :wave:

    This isn’t something I’ve come across before, but I don’t believe that you’ll have access to commit messages in either the build or the deploy hooks. The filesystem isn’t even a repository at those points

        W: fatal: Not a git repository (or any parent up to mount point /)
    W: Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).

    When placing git log -n 1 --pretty=%B in build or deploy hooks.

    One thing we’ve done internally is to name the branch with an identifier like skip-cache-flush. You won’t have access to that variable until post-build, but it at least gives you a way to do something selective like you’re describing.

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    Joachim Beck

    Hey @chad-carlson ,
    thanks for your quick reply. I doubt the branch naming is an option for us.
    I’ll probably use a variable in the codebase then and hopefully don’t forget to change it in the next commit :slight_smile:

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