fetch_dockertools

#!/bin/bash
# Bash strict-mode
set -o errexit
set -o nounset
set -o pipefail

SCRIPT_FOLDER="$(dirname "$(readlink -f "${0}")")"
DOCKERTOOLS_PATH="${DOCKERTOOLS_PATH:-"${SCRIPT_FOLDER}/.dockertools"}"

if [[ -d "${DOCKERTOOLS_PATH}" ]]; then
  git -C "${DOCKERTOOLS_PATH}" fetch -f --no-tags --progress --depth 1 https://github.com/eclipse-cbi/dockertools.git +refs/heads/master:refs/remotes/origin/master
  git -C "${DOCKERTOOLS_PATH}" checkout -f "$(git -C "${DOCKERTOOLS_PATH}" rev-parse refs/remotes/origin/master)"
else 
  git init "${DOCKERTOOLS_PATH}"
  git -C "${DOCKERTOOLS_PATH}" fetch --no-tags --progress --depth 1 https://github.com/eclipse-cbi/dockertools.git +refs/heads/master:refs/remotes/origin/master
  git -C "${DOCKERTOOLS_PATH}" config remote.origin.url https://github.com/eclipse-cbi/dockertools.git
  git -C "${DOCKERTOOLS_PATH}" config --add remote.origin.fetch +refs/heads/master:refs/remotes/origin/master
  git -C "${DOCKERTOOLS_PATH}" config core.sparsecheckout true
  git -C "${DOCKERTOOLS_PATH}" config advice.detachedHead false
  git -C "${DOCKERTOOLS_PATH}" checkout -f "$(git -C "${DOCKERTOOLS_PATH}" rev-parse refs/remotes/origin/master)"
fi