Sha256: a5ac3fb72a9bd681865e2142ae1bb0f8c8babb6a1d77a555cb127f68aad7b141
Contents?: true
Size: 1.58 KB
Versions: 93
Compression:
Stored size: 1.58 KB
Contents
require 'digest'
# Resolves the chicken-and-egg problem with md5 checksums. The handlers need
# to reference files with the md5 checksum. The files are the:
#
# jets/code/rack-checksum.zip
# jets/code/opt-checksum.zip
#
# We compute the checksums before we generate the node shim handlers.
module Jets::Builders
class Md5
class << self
@@checksums = {}
def checksums
@@checksums
end
def stage_folders
paths = []
paths << "stage/opt" if folder_exist?("opt")
paths << "stage/rack" if folder_exist?("rack")
# Important to have stage/code at the end, since its md5 checksum depends
# on the previous folders.
paths << "stage/code"
paths
end
def folder_exist?(folder)
path = "#{Jets.build_root}/stage/#{folder}"
File.directory?(path)
end
def compute!
stage_folders.each do |path|
@@checksums[path] = dir(path)
end
@@checksums
end
def dir(short_path)
path = "#{Jets.build_root}/#{short_path}"
files = Dir["#{path}/**/*"]
files = files.reject { |f| File.directory?(f) }
.reject { |f| File.symlink?(f) }
content = files.map do |f|
Digest::MD5.file(f).to_s[0..7]
end.join
# The stage/code md5 sha depends on the other 'symlinked' folders.
if short_path == "stage/code"
content += @@checksums.values.join
end
md5 = Digest::MD5.new
md5.update(content)
md5.hexdigest.to_s[0..7]
end
end
end
end
Version data entries
93 entries across 93 versions & 2 rubygems