A script invalidates all github action's caches for a specified repository

gh_invalidate_cache.sh

#!/bin/bash
set -eu

# A script invalidates all github action's caches for a specified repository
# API documents: https://docs.github.com/rest/actions/cache
#
# Prerequisites: Install Github CLI and authenticate with your github account. 
#                For the details, you can see here: https://cli.github.com/manual/
#
# # example:
# $ ./gh_invalidate_cache.sh <target-owner> <target-repo>

owner=$1 # target repository belong to owner/organization
repo=$2 # target repository name

delete_cache() {
  gh api \
    --method DELETE \
    -H "Accept: application/vnd.github+json" \
    /repos/${owner}/${repo}/actions/caches/$1 \
    --silent
}

main() {
  id_list=$(gh api \
  -H "Accept: application/vnd.github+json" \
  /repos/${owner}/${repo}/actions/caches -q '.actions_caches[].id')
  IFS=$'\n'
  for id in $id_list
  do
  echo "delete->$id"
  delete_cache $id
  done
}

main