entrypoint.sh

#!/bin/sh

set -e

if [ -z "$AWS_S3_BUCKET" ]; then
  echo "AWS_S3_BUCKET is not set. Quitting."
  exit 1
fi

if [ -z "$AWS_ACCESS_KEY_ID" ]; then
  echo "AWS_ACCESS_KEY_ID is not set. Quitting."
  exit 1
fi

if [ -z "$AWS_SECRET_ACCESS_KEY" ]; then
  echo "AWS_SECRET_ACCESS_KEY is not set. Quitting."
  exit 1
fi

if [ -z "$AWS_REGION" ]; then
  echo "AWS_REGION is not set. Quitting."
  exit 1
fi

# Default to syncing entire repo if DEST_DIR not set.
if [ -z "$DEST_DIR" ]; then
  DEST_DIR="."
fi

# Create a dedicated profile for this action to avoid
# conflicts with other actions.
# https://github.com/jakejarvis/s3-sync-action/issues/1
aws configure --profile s3-download-action <<-EOF > /dev/null 2>&1
${AWS_ACCESS_KEY_ID}
${AWS_SECRET_ACCESS_KEY}
${AWS_REGION}
text
EOF

# Use our dedicated profile and suppress verbose messages.
# All other flags are optional via `args:` directive.
sh -c "aws s3 cp s3://${AWS_S3_BUCKET} ${DEST_DIR} \
              --recursive $*"