entrypoint

#!/bin/bash

unregister() {
    echo "Stopping and unregistering the GitLab runner."
    gitlab-runner stop
    gitlab-runner unregister --all-runners
}

update_ca() {
  echo "Updating CA certificates..."
  cp "${CA_CERTIFICATES_PATH}" "${LOCAL_CA_PATH}"
  update-ca-certificates --fresh >/dev/null
}

# Ensure that assigned uid has entry in /etc/passwd
if [ `id -u` -ge 10000 ]; then
    cat /etc/passwd | sed -e "s/^gitlab-runner:/builder:/" > /tmp/passwd
    echo "gitlab-runner:x:`id -u`:`id -g`:,,,:/home/gitlab-runner:/bin/bash" >> /tmp/passwd
    cat /tmp/passwd > /etc/passwd
    rm /tmp/passwd
fi

# gitlab-runner data directory
DATA_DIR="/etc/gitlab-runner"
CONFIG_FILE=${CONFIG_FILE:-$DATA_DIR/config.toml}
# custom certificate authority path
CA_CERTIFICATES_PATH=${CA_CERTIFICATES_PATH:-$DATA_DIR/certs/ca.crt}
LOCAL_CA_PATH="/usr/local/share/ca-certificates/ca.crt"


if [ -f "${CA_CERTIFICATES_PATH}" ]; then
  # update the ca if the custom ca is different than the current
  cmp -s "${CA_CERTIFICATES_PATH}" "${LOCAL_CA_PATH}" || update_ca
fi

trap unregister SIGTERM

# launch gitlab-runner passing all arguments
exec gitlab-runner "$@"