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Contents
module Kontena
module Util
def self.included(base)
base.extend(ClassMethods)
end
# @param [String] cmd
def which(cmd)
exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
exts.each { |ext|
exe = File.join(path, "#{cmd}#{ext}")
return exe if File.executable?(exe) && !File.directory?(exe)
}
end
return nil
end
# Compatibility between ruby_dig and Ruby 2.3. Ruby_dig returns
# nil when trying to dig into a string, Ruby 2.3 dig raises
# TypeError.
#
# @param [Hash] source_hash
# @param [*keys] list_of_keys
def safe_dig(hash, *keys)
hash.dig(*keys)
rescue TypeError
nil
end
def time_ago(time)
now = Time.now.to_i
time = DateTime.parse(time).to_time.to_i
diff = now - time
if diff > 60 * 60 * 24
"#{diff / 60 / 60 / 24} days"
elsif diff > 60 * 60
"#{diff / 60 / 60} hours"
elsif diff > 60
"#{diff / 60} minutes"
else
"#{diff} seconds"
end
end
def longest_string_in_array(array)
longest = 0
array.each do |item|
longest = item.length if item.length > longest
end
longest
end
module_function(:which)
module ClassMethods
def experimental?
ENV.has_key?('KONTENA_EXPERIMENTAL')
end
end
end
end
Version data entries
59 entries across 59 versions & 1 rubygems