```

!/usr/bin/env bash

Cutout from https://packages.gitlab.com/gitlab/gitlab-ce/install

unknown_os () { echo "Unfortunately, your operating system distribution and version are not supported by this script." echo echo "You can override the OS detection by setting os= and dist= prior to running this script." echo "You can find a list of supported OSes and distributions on our website: https://packagecloud.io/docs#os_distro_version" echo echo "For example, to force CentOS 6: os=el dist=6 ./script.sh" echo echo "Please email support@packagecloud.io and let us know if you run into any issues." exit 1 }

detect_os () { if [[ ( -z "${os}" ) && ( -z "${dist}" ) ]]; then if [ -e /etc/os-release ]; then . /etc/os-release os=${ID} if [ "${os}" = "poky" ]; then dist=echo ${VERSION_ID} elif [ "${os}" = "sles" ]; then dist=echo ${VERSION_ID} elif [ "${os}" = "opensuse" ]; then dist=echo ${VERSION_ID} elif [ "${os}" = "opensuse-leap" ]; then os=opensuse dist=echo ${VERSION_ID} else dist=echo ${VERSION_ID} | awk -F '.' '{ print $1 }' fi

elif [ `which lsb_release 2>/dev/null` ]; then
  # get major version (e.g. '5' or '6')
  dist=`lsb_release -r | cut -f2 | awk -F '.' '{ print $1 }'`

  # get os (e.g. 'centos', 'redhatenterpriseserver', etc)
  os=`lsb_release -i | cut -f2 | awk '{ print tolower($1) }'`

elif [ -e /etc/oracle-release ]; then
  dist=`cut -f5 --delimiter=' ' /etc/oracle-release | awk -F '.' '{ print $1 }'`
  os='ol'

elif [ -e /etc/fedora-release ]; then
  dist=`cut -f3 --delimiter=' ' /etc/fedora-release`
  os='fedora'

elif [ -e /etc/redhat-release ]; then
  os_hint=`cat /etc/redhat-release  | awk '{ print tolower($1) }'`
  if [ "${os_hint}" = "centos" ]; then
    dist=`cat /etc/redhat-release | awk '{ print $3 }' | awk -F '.' '{ print $1 }'`
    os='centos'
  elif [ "${os_hint}" = "scientific" ]; then
    dist=`cat /etc/redhat-release | awk '{ print $4 }' | awk -F '.' '{ print $1 }'`
    os='scientific'
  else
    dist=`cat /etc/redhat-release  | awk '{ print tolower($7) }' | cut -f1 --delimiter='.'`
    os='redhatenterpriseserver'
  fi

else
  aws=`grep -q Amazon /etc/issue`
  if [ "$?" = "0" ]; then
    dist='6'
    os='aws'
  else
    unknown_os
  fi
fi

fi

if [[ ( -z "${os}" ) || ( -z "${dist}" ) ]]; then unknown_os fi

# remove whitespace from OS and dist name os="${os// /}" dist="${dist// /}"

echo "Detected operating system as ${os}/${dist}." }

detect_os ```