#!/bin/bash
 
# This script deletes all GitHub Actions runs for the current repository.
# It is useful for cleaning up the Actions tab after a large number of runs
# have been created, such as when testing a workflow.
 
# check for help flag (-h or --help)
if [[ $1 == "-h" || $1 == "--help" ]]; then
	echo "Usage: $0 [count]"
	echo "Deletes all GitHub deployments for the current repository."
	echo "The count argument is optional and defaults to 10."
	exit 0
fi
 
# default limit value: 10
limit=${1:-10}
 
# parse limit value
if ! [[ $limit =~ ^[0-9]+$ ]]; then
	echo "Invalid limit value: $limit"
	exit 2
fi
 
# transform $limit as number
limit=$(echo "$limit" | tr -d '[:space:]')
 
# check if gh is installed
if ! command -v gh &>/dev/null; then
	echo "gh could not be found. Please install it from https://cli.github.com/"
	exit 1
fi
 
# check if gh is authenticated
if ! gh auth status &>/dev/null; then
	echo "gh is not authenticated. Please run 'gh auth login' to authenticate."
	exit 1
fi
 
REPO=$(gh repo view --json nameWithOwner -q .nameWithOwner)
 
if [[ -z $repo ]]; then
	echo "No repository found."
	exit 1
fi
 
# Fetch all deployments in the repository
deployments=$(gh api "repos/$REPO/deployments" --jq '.[].id')
 
if [[ -z $deployments ]]; then
	echo "No deployments found."
	exit 0
fi
 
total_deployments=$(echo "$deployments" | wc -l)
completed=0
 
# Loop through deployment IDs and delete each deployment
for deployment_id in $deployments; do
	((completed++))
	printf "\r [%d/%d] Deleting deployment: %s..." "$completed" "$total_deployments" "$deployment_id"
 
	gh api -X DELETE "repos/$REPO/deployments/$deployment_id" --silent
done
 
printf "\nAll deployments have been deleted."