BigFix auto installer for macOS, written in Bash.

fixer.sh

#!/usr/bin/env bash
set -e

# Set macOS 'Computer Name' to serial number.
# Download, unzip, install, and cleanup BigFix in macOS.
#
# Author: M. Krinitz <mjk235 [at] nyu [dot] edu>
# Date: 2023-11-08
# License: MIT

#########
# Globals
#########

# URL.

URL=""

# Zip file.

FILE="fixer.zip"

# Components of .zip package.

BIGFIX_COMPONENT=(
ActionSite.afxm
BESAgent-11.0.0.175-BigFix_MacOS11.0.pkg
bigfix_install.sh
clientsettings.cfg
)

########
# Fixer.
########

# Is current UID 0? If not, exit.

root_check() {

  if [ "$EUID" -ne "0" ] ; then
	  
    printf "%s\n" "Error: root privileges are required to continue." "Try: sudo bash fixer.sh" >&2
    exit 1
fi
}

# Get serial number.

get_serial_number() {

  serialnum=$(system_profiler SPHardwareDataType | awk '/Serial/ {print $4}')
}

# Get computer name.

get_computer_name() {

  computername=$(scutil --get ComputerName)
}

# Set computer name to serial number.

set_computer_name() {

  if [ "$serialnum" != "$computername" ]; then

    printf "%s\n" "Setting 'Computer Name'..."

    scutil --set ComputerName "$serialnum"
  fi
}

# Retrieve .zip and place in /Applications.

retrieve_zip() {
	
  printf "%s\n" "Retrieving .zip file..."
  
  curl --progress-bar --retry 3 --retry-delay 5 "$URL/$FILE" --output /Applications/"$FILE"
}

# Unzip .zip to /Applications.

unzip_zip() {

  printf "%s\n" "Unpacking .zip file to /Applications..."
 		
  unzip /Applications/"$FILE" -d /Applications
}

# Run .pkg.

install_pkg() {

  printf "%s\n" "Installing .pkg..."

  installer -verbose -pkg /Applications/"${BIGFIX_COMPONENT[1]}" -target /
}

# Post-install cleanup (.zip and config files)

remove_trash() {

  printf "%s\n" "Cleaning crew, coming through..."

  rm -rv /Applications/"$FILE"
  rm -rv /Applications/"${BIGFIX_COMPONENT[0]}" 
  rm -rv /Applications/"${BIGFIX_COMPONENT[2]}"
  rm -rv /Applications/"${BIGFIX_COMPONENT[3]}"
}

#############
# Exit status
#############

# Check exit status.

exit_status() {
	
  if [[ $retVal -ne 0 ]]; then

    printf "%s\n" "Something went wrong, homie..."

  else

    printf "%s\n" "Done."
    exit 0
  fi
}

# Main.

main() {

  root_check
  get_serial_number
  get_computer_name
  set_computer_name
  retrieve_zip
  unzip_zip
  install_pkg
  remove_trash
}

main "$@"

retVal=$?
exit_status