generate list of webhooks used by all repos under a github organization

1-webhook-summary.sh

ORG="nextstrain"

repos=$(gh api --paginate \
        -H "Accept: application/vnd.github+json" \
        -H "X-GitHub-Api-Version: 2022-11-28" \
        "/orgs/$ORG/repos?per_page=100" \
    | jq -r '.[].name')

declare -A hook_repos

while read repo; do
    echo "Processing repo: $repo" >&2

    # Fetch webhooks for the repository
    urls=$(gh api -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            /repos/$ORG/"$repo"/hooks | jq -r '.[].config.url // empty')

    # Extract the webhook URL from each hook
    while read url; do
        # Skip if URL is empty
        if [ -z "$url" ]; then
            continue
        fi

        # If the URL is not already in our mapping, add it.
        # Otherwise, append the repo name (if not already added)
        if [ -z "${hook_repos[$url]}" ]; then
            hook_repos["$url"]="$repo"
        else
            # Check if the repo is already in the list to avoid duplicates.
            if [[ ! "${hook_repos[$url]}" =~ (^|, )"$repo"($|, ) ]]; then
              hook_repos[$url]="${hook_repos[$url]}, $repo"
            fi
        fi
    done <<< "$urls"
done <<< "$repos"

echo "Webhook URLs and associated repos:"
for url in "${!hook_repos[@]}"; do
    echo "- [ ] $url (used by ${hook_repos[$url]})"
done

2-initial-prompt.md

Generate a bash script to iterate through all repos in a GitHub org and list all distinct webhook URLs along with a list of repos that are using it.

For reference, here is the command for listing repos under a GitHub org with example response with the field that matters:

gh api \
  -H "Accept: application/vnd.github+json" \
  -H "X-GitHub-Api-Version: 2022-11-28" \
  /orgs/ORG/repos

[
  {
    "name": "Hello-World",
  }
]

and here is the command for listing webhooks of a repo with example response with the field that matters:

gh api \
  -H "Accept: application/vnd.github+json" \
  -H "X-GitHub-Api-Version: 2022-11-28" \
  /repos/OWNER/REPO/hooks

[
  {
    "config": {
      "url": "https://example.com/webhook"
    },
  }
]