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#!/usr/bin/env ruby
if ARGV[0].nil?
$stderr.puts "Usage: #{File.basename $0} <file>"
exit 1
end
if not system "which shellcheck >/dev/null 2>&1"
$stderr.puts "Error: program shellcheck does not exist."
exit 1
end
file = ARGV[0]
if not File.exist? file
$stderr.puts "Error: file #{file} could not be read."
exit 1
end
# Make sure we're looking at sh code.
mimetype = `file -Pbytes=32 -b -i #{file}`.gsub(/\n/,"")
if not /.*x-shellscript/i.match(mimetype)
$stderr.puts "File #{file} doesn't look like sh code [#{mimetype}]. Ignoring."
exit 0
end
output = %x{shellcheck --format=gcc #{file} 2>&1}
num_lines = output.lines.count
counter = 1
# output result in TAP format
puts "1..#{num_lines}"
output.each_line do |critic|
puts "not ok #{counter} #{critic}"
counter += 1
end
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