test if github repos are valid, or have been moved to another org/name, and output the new name if so.

test-repos.sh

#!/usr/bin/env bash

main() {

  local valid_repos_file=$(mktemp)
  local moved_repos_file=$(mktemp)

  cat newline-delimited-repo-names.txt | while read repo; do {
    local repo_site="https://github.com/$repo"

    local status_code=$(curl -I -s -o /dev/null -w "%{http_code}" $repo_site)


    # Test if the repo url has redirect
    if [ "$status_code" == "301" ]; then

      local new_repo_site="$(curl -Ls -o /dev/null -w %{url_effective} -I $repo_site)"
      echo "$repo_site --> $new_repo_site" >> $moved_repos_file
      # moved_repos+=("Repo $repo_site is redirecting to $new_repo_site")
    else
      echo "$repo_site" >> $valid_repos_file
      # valid_repos+=($repo_site)
    fi

  }; done

  echo "Valid repos:"
  cat $valid_repos_file
  rm $valid_repos_file
  echo ""
  echo "Moved repos:"
  cat $moved_repos_file
  rm $moved_repos_file
}

main "$@"