Draft cleanup

cleanup-drafts

#!/bin/bash

# MIT License
# 
# Copyright (c) 2018 Maciej Gamrat <maciej@gamrat.it>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# PURPOSE
#   A tool for release draft cleanup. Operates directly on GitHub API v3.
# RUNNING
#   export OAUTH_TOKEN=<GitHub developer token>
#   ./cleanup-drafts <organization name>
# DEPENDENCIES
#   curl jq parallel

set -euo pipefail

base_url="https://api.github.com"
token="${OAUTH_TOKEN}"

export base_url
export token

#
# Filters
#

full_repo_names() {
  jq -r '.[].full_name'
}
export -f full_repo_names

draft_ids() {
  jq '.[] | select(.draft) | .id'
}
export -f draft_ids

#
# API calls
#

api() {
  curl -sSfL \
    -H "Authorization: token ${token}" \
    -H "Accept: application/vnd.github.v3+json" \
    "$@"
}
export -f api

get_repos() {
  local organization="$1"

  api "${base_url}/orgs/${organization}/repos"
}
export -f get_repos

get_releases() {
  local repo="$1"

  api "${base_url}/repos/${repo}/releases"
}
export -f get_releases

get_release() {
  local repo="$1"
  local release_id="$2"

  api "${base_url}/repos/${repo}/releases/${release_id}"
}
export -f get_release

delete_release() {
  local repo="$1"
  local release_id="$2"

  echo >&2 "Deleting release ${release_id} in ${repo} repository..."
  api -X DELETE "${base_url}/repos/${repo}/releases/${release_id}"
}
export -f delete_release

#
# Artifact maintenance
#

cleanup_drafts() {
  local repo="$1"

  echo >&2 "Starting draft cleanup for ${repo} repository..."
  get_releases "${repo}" \
    | draft_ids \
    | parallel delete_release "${repo}"
}
export -f cleanup_drafts

cleanup_organization_drafts() {
  local organization="$1"

  echo >&2 "Starting cleanup for organization ${organization}..."
  get_repos "${organization}" \
    | full_repo_names \
    | parallel cleanup_drafts
}
export -f cleanup_organization_drafts

#
# Main
#

main() {
  local org="$1"
  cleanup_organization_drafts "${org}"
  echo >&2 "Done."
}

main "$@"