Copy open github issues between two repositories. Just copy.

copy-github-issues.sh

#!/usr/bin/env bash

set -euo pipefail

ME=''
GITHUB_API_TOKEN=${GITHUB_API_TOKEN:-}
ACTION=false

CURL=${CURL:-curl}
JQ=${JQ:-jq}

usage()
{
cat <<USAGE
Copy issues from one Github repository into another.

Usage: '$0' [options] src dst

Options are:
    
    -a      Action! Default is dry-run, i. e. only show what would be done

    -h, -?  This help message

Environment variables:

GITHUB_API_TOKEN - exactly what it reads. Required.

USAGE
    exit 42
}

while getopts h?a opt; do
  case $opt in
    a) ACTION=true;;
    *) usage;;
  esac
done
shift $((OPTIND - 1))

SRC="$1"
DST="$2"


_request()
{
  $CURL -s -S  -f \
    -H "Authorization: token $GITHUB_API_TOKEN" \
    -H 'Accept: application/vnd.github.v3+json' \
    "$@"
}

_POST()
{
  _request -X POST \
    -H 'Content-Type: application/json' \
    "$@"
}

_GET()
{
  _request -X GET \
    "$@"
}

_list_issues()
{
  local repo="$1"

  _GET "https://api.github.com/repos/$repo/issues" \
    | $JQ -c '.[] | select(.state == "open") | {assignees: .assignees, title: .title, body: .body}'
}

_create_issue()
{
  local repo="$1"
  local issue="$2"

  _POST \
    -d "$issue" \
    "https://api.github.com/repos/$repo/issues"
}


_list_issues "$SRC" \
  | while read -r issue; do
      if $ACTION; then
        _create_issue "$DST" "$issue"
      else
        echo "$issue"
      fi
    done