Print dependency graph for libcamera.so

deps.rb

#!/usr/bin/env ruby

def get_dependencies(library, indent)
  if !library.match(/^\w.*\.so$/) || library.match(/^libstdc\+\+.so$/) ||
     library.match(/^libc.so$/) || library.match(/^libdl.so$/) || indent == 4
    return
  end
  for i in 0..indent-1
    print(" ")
  end
  puts library

  `greadelf -d #{library}`.each_line do |line|
    if match = /^.*NEEDED.*\[(?<slib>.*.so)\]/.match(line)
      get_dependencies(match['slib'], indent+1)
    end
  end
  return
end

get_dependencies("libcamera.so", 0)