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#!/usr/bin/env ruby
#
#
#
require 'yaml'
require 'tmpdir'
class YamlValidate
def self.yaml_file?(filename)
return filename.end_with?('.yaml') || filename.end_with?('.yml')
end
def self.short_yaml_ext?(filename)
return filename.end_with?(".yml")
end
def self.valid_yaml?(filename)
YAML::load_file(filename)
return true
end
end
class GitCommit
attr_accessor :oldrev, :newrev, :refname, :tmp
def initialize(oldrev, newrev, refname)
@oldrev = oldrev
@newrev = newrev
@refname = refname
@tmp = Dir.mktmpdir(@newrev)
end
def get_file_changes()
files = %x[/usr/bin/git diff --name-only #{@oldrev} #{@newrev} --diff-filter=ACM].split("\n")
# if files is empty we will get a full checkout. This happens on
# a git rm file. If there are no changes then we need to skip the archive
return [] if files.empty?
# We only want to take the files that changed. Archive will do that when passed
# the filenames. It will export these to a tmp dir
system("/usr/bin/git archive #{@newrev} #{files.join(" ")} | tar x -C #{@tmp}")
return Dir.glob("#{@tmp}/**/*").delete_if { |file| File.directory?(file) }
end
end
if __FILE__ == $0
while data = STDIN.gets
oldrev, newrev, refname = data.split
gc = GitCommit.new(oldrev, newrev, refname)
results = []
gc.get_file_changes().each do |file|
begin
puts "++++++ Received: #{file}"
#raise "Yaml file extensions must be .yaml not .yml" if YamlValidate.short_yaml_ext? file
# skip readme, other files, etc
next unless YamlValidate.yaml_file?(file)
results << YamlValidate.valid_yaml?(file)
rescue Exception => ex
puts "\n#{ex.message}\n\n"
results << false
end
end
#puts "RESULTS\n#{results.inspect}\n"
exit 1 if results.include?(false)
end
end
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