Install a newer curl version from Github releases

install_curl.sh

#!/usr/bin/env bash

set -e

# Ubuntu 16.04's curl is very ultra amzingly old. That's why.

LOGGER_RED='\033[0;31m'
LOGGER_GREEN='\033[0;32m'
LOGGER_YELLOW='\033[0;33m'
LOGGER_NC='\033[0m' # No Color
CURL_VERSION="${1:-7.65.0}"
CURL_TMP_DIR=$(mktemp -d)
CURL_TMP_FILE="${CURL_TMP_DIR}/curl.tar.gz"

CURL_CURRENT_VERSION="$(curl --version | grep -Po 'curl \d+\.\d+\.\d+')"

log_info() {
  printf "${LOGGER_GREEN}%s%s${LOGGER_NC}\n" "$(log_timestamp)" "$1"
}

log_warn() {
  printf "${LOGGER_YELLOW}%s%s${LOGGER_NC}\n" "$(log_timestamp)" "$1"
}

log_error() {
  printf "${LOGGER_RED}%s%s${LOGGER_NC}\n" "$(log_timestamp)" "$1"
}

log_timestamp() {
  local retval="[$(date --iso-8601=seconds)] "
  echo "$retval"
}

if [ "$CURL_CURRENT_VERSION" = "curl ${CURL_VERSION}" ]
then
  log_info "curl version ${CURL_VERSION} is already installed"
  exit 0
fi

log_info "Installing dependencies, sudo will be needed"
sudo apt-get -qq -y install build-essential nghttp2 libnghttp2-dev libssl-dev libcurl3 curl

cleanup() {
  rm -rf "$CURL_TMP_DIR"
}

log_info "Downloading curl release from github"
curl -sL \
  "https://github.com/curl/curl/releases/download/curl-${CURL_VERSION//\./_}/curl-${CURL_VERSION}.tar.gz" \
  -o "$CURL_TMP_FILE"

log_info "extracting curl tarball to ${CURL_TMP_DIR}"
tar xf "$CURL_TMP_FILE" -C "$CURL_TMP_DIR" --strip-components=1

log_info "comiling curl in ${CURL_TMP_DIR}"
pushd "$CURL_TMP_DIR"
./configure
make

log_info "running 'sudo make install'"
sudo make install

popd
cleanup
sudo apt-get -qq -y remove curl libcurl3-dbg libcurl3-gnutls libcurl3-nss

/usr/local/bin/curl --version || exit 1