.functions

# Super useful Docker container oneshots.
# Usage: dockrun, or dockrun [centos7|fedora27|debian9|debian8|ubuntu1404|etc.]
dockrun() {
  docker run -it geerlingguy/docker-"${1:-ubuntu1604}"-ansible /bin/bash
}

# Enter a running Docker container.
function denter() {
  if [[ ! "$1" ]]; then
    echo "You must supply a container ID or name."
    return 0
  fi

  docker exec -it $1 bash
  return 0
}

# Delete a given line number in the known_hosts file.
knownrm() {
  re='^[0-9]+$'
  if ! [[ $1 =~ $re ]]; then
    echo "error: line number missing" >&2
  else
    sed -i '' "$1d" ~/.ssh/known_hosts
  fi
}

# Git upstream branch syncer.
# Usage: gsync master (checks out master, pull upstream, push origin).
function gsync() {
  if [[ ! "$1" ]]; then
    echo "You must supply a branch."
    return 0
  fi

  BRANCHES=$(git branch --list $1)
  if [ ! "$BRANCHES" ]; then
    echo "Branch $1 does not exist."
    return 0
  fi

  git checkout "$1" &&
    git pull upstream "$1" &&
    git push origin "$1"
}

# Ask for confirmation when 'prod' is in a command string.
#prod_command_trap () {
#  if [[ $BASH_COMMAND == *prod* ]]
#  then
#    read -p "Are you sure you want to run this command on prod [Y/n]? " -n 1 -r
#    if [[ $REPLY =~ ^[Yy]$ ]]
#    then
#      echo -e "\nRunning command \"$BASH_COMMAND\" \n"
#    else
#      echo -e "\nCommand was not run.\n"
#      return 1
#    fi
#  fi
#}
#shopt -s extdebug
#trap prod_command_trap DEBUG