95 lines
2.1 KiB
Ruby
95 lines
2.1 KiB
Ruby
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#! /usr/bin/env ruby
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require "tempfile"
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usbdisks=`for devlink in /dev/disk/by-id/usb*; do readlink -f ${devlink}; done`
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raws=usbdisks.split("\n")
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parts=[]
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for disk in raws
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if /(\w+)\d+/.match disk
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parts.push disk
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end
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end
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for disk in raws
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if /(\w+)\d+/.match disk
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raws.delete("/dev/#{$1}")
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end
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end
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if raws.length==0
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puts "No disks detected. Aborting."
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exit 1
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end
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if parts.length>1
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puts "Multiple partitions detected."
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i=0
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for part in parts
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puts "#{i}: #{part}"
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i+=1
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end
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print "Please choose partition to install to:"
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num=gets.chomp.to_i
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part=parts[num]
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/(\w+)\d+/.match part
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raw="/dev/#{$1}"
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elsif parts.length==0
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puts "No partitions detected."
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i=0
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for raw in raws
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puts "#{i}: #{raw}"
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i+=1
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end
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print "Please choose disk to install to:"
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num=gets.chomp.to_i
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raw=raws[num]
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print "Getting disk size..."
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origsize=`sudo blockdev --getsize64 #{raw}`.chomp.to_i
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unit="MB"
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fullsize=(origsize/1024.to_f)/1024
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if fullsize%1024==0 or fullsize>2048
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fullsize=fullsize/1024.to_f
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unit="GB"
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end
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fullsize=fullsize.floor(1)
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puts "#{fullsize}#{unit}"
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print "Partition size: (return for whole disk)"
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size=gets.chomp.downcase
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if size.match /(\d)+m/ or size.match /(\d+)mb/
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size=(size.to_i)*1024*1024
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elsif size.match /(\d)+g/ or size.match /(\d+)gb/
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size=(size.to_i)*1024*1024*1024
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elsif size==""
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size=origsize
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else
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puts "Could not parse size. Aborting."
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exit 1
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end
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sfdisk_input="label: dos\n- #{size/1024}KiB L"
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tmp=Tempfile.new("myosinstall")
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tmp.puts sfdisk_input
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tmp.close
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print "Partitioning..."
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`cat #{tmp.path} | sudo sfdisk #{raw} 2>/dev/null`
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puts "Done"
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tmp.unlink
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exit 1
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puts `sudo mkfs.ext2 #{raw}`
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part="#{raw}1"
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raw="#{raw}"
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else
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part=parts[0]
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/(\w+)\d+/.match parts[0]
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raw="/dev/#{$1}"
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end
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`mkdir -p usb`
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print "Mounting the disk..."
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`sudo mount #{part} usb`
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puts "Done"
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if !File.exists?("usb/boot")
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puts "Installing GRUB..."
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`sudo grub-install --boot-directory=usb/boot #{raw}`
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end
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print "Installing the OS..."
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`sudo cp -r /vagrant/sysroot/* usb`
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puts "Done"
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print "Umounting disk..."
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`sudo umount usb`
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puts "Done"
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