buildActions.sh

#!/bin/bash
#
# Used to precompile all Github Action node.js scripts using ncc.
# This bundles them with their dependencies into a single executable node.js script.

# In order for this script to be safely run from anywhere, we cannot use the raw relative path '../actions'.
declare ACTIONS_DIR
ACTIONS_DIR="$(dirname "$(dirname "$0")")/actions/javascript"

# List of paths to all JS files that implement our GH Actions
declare -r GITHUB_ACTIONS=(
    "$ACTIONS_DIR/awaitStagingDeploys/awaitStagingDeploys.js"
    "$ACTIONS_DIR/bumpVersion/bumpVersion.js"
    "$ACTIONS_DIR/checkDeployBlockers/checkDeployBlockers.js"
    "$ACTIONS_DIR/createOrUpdateStagingDeploy/createOrUpdateStagingDeploy.js"
    "$ACTIONS_DIR/getDeployPullRequestList/getDeployPullRequestList.js"
    "$ACTIONS_DIR/getPreviousVersion/getPreviousVersion.js"
    "$ACTIONS_DIR/getPullRequestDetails/getPullRequestDetails.js"
    "$ACTIONS_DIR/getReleaseBody/getReleaseBody.js"
    "$ACTIONS_DIR/isStagingDeployLocked/isStagingDeployLocked.js"
    "$ACTIONS_DIR/markPullRequestsAsDeployed/markPullRequestsAsDeployed.js"
    "$ACTIONS_DIR/postTestBuildComment/postTestBuildComment.js"
    "$ACTIONS_DIR/reopenIssueWithComment/reopenIssueWithComment.js"
    "$ACTIONS_DIR/verifySignedCommits/verifySignedCommits.js"
    "$ACTIONS_DIR/authorChecklist/authorChecklist.ts"
    "$ACTIONS_DIR/reviewerChecklist/reviewerChecklist.js"
    "$ACTIONS_DIR/validateReassureOutput/validateReassureOutput.js"
)

# This will be inserted at the top of all compiled files as a warning to devs.
declare -r NOTE_DONT_EDIT='/**
 * NOTE: This is a compiled file. DO NOT directly edit this file.
 */
'

# This stores all the process IDs of the ncc commands so they can run in parallel
declare ASYNC_BUILDS

for ((i=0; i < ${#GITHUB_ACTIONS[@]}; i++)); do
  ACTION=${GITHUB_ACTIONS[$i]}
  ACTION_DIR=$(dirname "$ACTION")

  # Build the action in the background
  ncc build "$ACTION" -o "$ACTION_DIR" &
  ASYNC_BUILDS[i]=$!
done

for ((i=0; i < ${#GITHUB_ACTIONS[@]}; i++)); do
  ACTION=${GITHUB_ACTIONS[$i]}
  ACTION_DIR=$(dirname "$ACTION")

  # Wait for the background build to finish
  wait "${ASYNC_BUILDS[$i]}"

  # Prepend the warning note to the top of the compiled file
  OUTPUT_FILE="$ACTION_DIR/index.js"
  echo "$NOTE_DONT_EDIT$(cat "$OUTPUT_FILE")" > "$OUTPUT_FILE"
done