#!/usr/bin/env bash

# Usage: ./deploy-pr.sh [--dry-run -n] [--yes -y] [--experiments -e <experiments>] [--build -b] [--deploy -d]

# deploys the current branch to a PR environment and posts login credentials to

# [#pr-deployments](https://codercom.slack.com/archives/C05DNE982E8) Slack channel

set -euo pipefail

# shellcheck source=scripts/lib.sh

source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"

cdroot

# default settings

dryRun=false

confirm=true

build=false

deploy=false

experiments=""

# parse arguments

while (("$#")); do

case "$1" in

-b | --build)

build=true

shift

;;

-d | --deploy)

deploy=true

shift

;;

-n | --dry-run)

dryRun=true

shift

;;

-e | --experiments)

if [ -n "$2" ] && [ "${2:0:1}" != "-" ]; then

experiments="$2"

shift

else

echo "Error: Argument for $1 is missing" >&2

exit 1

fi

shift

;;

-y | --yes)

confirm=false

shift

;;

--)

shift

break

;;

--*)

echo "Error: Unsupported flag $1" >&2

exit 1

;;

*)

shift

;;

esac

done

# confirm if not passed -y or --yes

if $confirm; then

read -p "Are you sure you want to deploy? (y/n) " -n 1 -r

echo

if [[ ! $REPLY =~ ^[Yy]$ ]]; then

exit 1

fi

fi

# Authenticate gh CLI

gh_auth

# get branch name and pr number

branchName=$(gh pr view --json headRefName | jq -r .headRefName)

prNumber=$(gh pr view --json number | jq -r .number)

if [[ "$dryRun" = true ]]; then

echo "dry run"

echo "branchName: ${branchName}"

echo "prNumber: ${prNumber}"

echo "experiments: ${experiments}"

echo "build: ${build}"

echo "deploy: ${deploy}"

exit 0

fi

echo "branchName: ${branchName}"

echo "prNumber: ${prNumber}"

echo "experiments: ${experiments}"

echo "build: ${build}"

echo "deploy: ${deploy}"

gh workflow run pr-deploy.yaml --ref "${branchName}" -f "experiments=${experiments}" -f "build=${build}" -f "deploy=${deploy}"