Shell script to delete all artifacts from GitHub Actions

delete-all-artifacts.sh

#!/bin/bash
#
# Delete all artifacts
#
# USAGE: ./delete-all-artifacts.sh {YOUR_PERSONAL_ACCESS_TOKEN} {OWNER_REPO}
#
# Where `{YOUR_PERSONAL_ACCESS_TOKEN}` should have `workflow` and `repo` scopes
# to work this script.  `public_repo` can be used instead of `repo`, when you
# want delete artifacts from public repositories only.
#
# Where `{OWNER_REPO}` should `{user}/{reponame}` style identifier of a
# repository. Example: `koron/foobar`

set -eu

token=$1 ; shift
ownerrepo=$1 ; shift

invoke_api() {
  curl -s -H "Authorization: token ${token}" -H "Accept: application/vnd.github.v3+json" "$@"
}

list_artifacts() {
  echo "List artifacts" 1>&2
  invoke_api https://api.github.com/repos/${ownerrepo}/actions/artifacts
}

delete_artifact() {
  u=$1 ; shift
  echo "Delete artifact: $u" 1>&2
  invoke_api -X DELETE "$u"
}

while true ; do
  sleep 2
  list=$(list_artifacts | awk -F '"' '/"url":/{print $4}')
  if [ x"${list}" == x ] ; then
    echo Finished.
    exit 0
  fi
  for u in ${list} ; do
    sleep 0.1
    delete_artifact "$u"
  done
done