better-codepipeline-metadata Bitbucket example

bitbucket-pipelines.yml

.installdeps: &installdeps |
  apt-get update
  apt-get -y install zip python-pip
  pip install awscli

.exportvars: &exportvars |
  export AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID
  export AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY

.buildartifact: &buildartifact |
  zip -q -r artifact.zip *

.generatesummary: &generatesummary |
  # https://stackoverflow.com/questions/1441010/the-shortest-possible-output-from-git-log-containing-author-and-date#comment10995395_1441062
  SUMMARY=`git log -n 1 --pretty=format:"%h %ad%x09%an%x09%s" --date=short`
  # replace newlines and tabs with a space
  SUMMARY=${SUMMARY//$'\n'/ }
  SUMMARY=${SUMMARY//$'\t'/ }
  # escape double quotes
  SUMMARY=${SUMMARY//$'"'/\\\"}
  # limit length to 2010
  # documentation says 2048 for this field but in my testing it fails over 2010
  # https://docs.aws.amazon.com/codepipeline/latest/APIReference/API_ArtifactRevision.html
  SUMMARY=`echo $SUMMARY | cut -c 1-2010`
  export SUMMARY

.pushartifact: &pushartifact |
  aws s3 cp artifact.zip s3://better-codepipeline-metadata/ --metadata "{\"codepipeline-artifact-revision-summary\":\"$SUMMARY\"}"

pipelines:
  default:
    - step:
        script:
          - *installdeps
          - *exportvars
          - *buildartifact
          - *generatesummary
          - *pushartifact