Migrate GH repo via API

github-migrate.sh

### DEPENDENCIES
# - curl
# - jq

### VARIABLES
export REPO_NAME=FIXME
export ORG_NAME=FIXME
export SLEEP_TIME=15
export TOKEN=FIXME # empty scopes are sufficient

### SCRIPT
# create migration
curl -X POST -H "Accept: application/vnd.github.v3+json" \
  -H "Authorization: token ${TOKEN}" \
  https://api.github.com/orgs/${ORG_NAME}/migrations \
  -d "{\"repositories\":[\"${REPO_NAME}\"]}"

# get migration id
MIGRATION_ID=$(curl -s -H "Accept: application/vnd.github.v3+json" \
  -H "Authorization: token ${TOKEN}" \
  https://api.github.com/orgs/${ORG_NAME}/migrations | jq '.[0].id')

MIGRATION_STATE=$(curl -s -H "Accept: application/vnd.github.v3+json" \
  -H "Authorization: token ${TOKEN}" \
  https://api.github.com/orgs/${ORG_NAME}/migrations | jq -r '.[0].state')

while [[ $MIGRATION_STATE != "exported" ]]; do
  COUNTER=1
  echo -e "Migration pending...Checking again in ${SLEEP_TIME} seconds [${COUNTER}]"
  sleep ${SLEEP_TIME}
  MIGRATION_STATE=$(curl -s -H "Accept: application/vnd.github.v3+json" \
    -H "Authorization: token ${TOKEN}" \
    https://api.github.com/orgs/${ORG_NAME}/migrations | jq -r '.[0].state')
done
if [[ $MIGRATION_STATE == "exported" ]]; then
  # download migration archive
DOWNLOAD_URL=$(curl -s -H "Accept: application/vnd.github.v3+json" \
    -H "Authorization: token ${TOKEN}" \
    https://api.github.com/orgs/${ORG_NAME}/migrations/${MIGRATION_ID}/archive)
fi

curl -s -o gh-migration-${REPO_NAME}.tar.gz $DOWNLOAD_URL