Is there a way to fail a build when one of the build hooks throws an error?

• 

  Platform.sh DevRel

  July 24, 2019 13:45

  Yes. To do this you need to start your build hook with set -e. That means :

    -e  Exit immediately if a command exits with a non-zero status.
  

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• 

  florian

  July 24, 2019 13:53

  To be a bit more clear, if you don’t use set -e, the build will exit with the exit code of the last command.

  For example:

  ls /folder/that/doesnt/exist
  exit 0
  

  Will exit with exit code “0”, for success. If you use set -e, the build will exit after the ls with the exit code that ls failed with.

  Another option that is usually useful is set -o pipefail which will fail the build if a piped command fails.

  For example:

  set -e
  ls /folder/that/doesnt/exist | echo foo
  exit 0
  

  Will return with exit code 0.

  set -eo pipefail
  ls /folder/that/doesnt/exist | echo foo
  exit 0
  

  Will return with a failure.

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