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jiatongwu/no_automount

Forked from voltechs/no_automount
Created September 5, 2018 02:35
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Add volume (UUID) to fstab to prevent automount (macOS)
Raw
no_automount
#!/usr/bin/env ruby
# Usage: no_automount /Volumes/My\ Disk
diskinfo = `diskutil info '#{ARGV[0]}'`.gsub("\n\n", "\n").split("\n").collect do |b|
b.strip.split(/:\s+/)
end.to_h
disk_uuid = diskinfo['Volume UUID']
disk_type = diskinfo['Type (Bundle)']
disk_name = diskinfo['Volume Name']
text = File.read('/etc/fstab')
new_contents = text.gsub(/UUID=#{disk_uuid}.*(:?\n)/, "")
new_contents << "UUID=#{disk_uuid} none #{disk_type} rw,noauto # #{disk_name}"
File.open(file_name, "w") {|file| file.puts new_contents }
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