Module: Nimbu::Helpers
Defined Under Namespace
Modules: System
Constant Summary
collapse
- @@kb =
1024
- @@mb =
1024 * @@kb
- @@gb =
1024 * @@mb
Class Method Summary
collapse
Instance Method Summary
collapse
-
#action(message) ⇒ Object
-
#ask ⇒ Object
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#confirm(message = "Are you sure you wish to continue? (y/n)?") ⇒ Object
-
#confirm_billing ⇒ Object
-
#confirm_command(app_to_confirm = app, message = nil) ⇒ Object
-
#create_git_remote(remote, url) ⇒ Object
-
#deprecate(version) ⇒ Object
-
#display(msg = "", new_line = true) ⇒ Object
-
#display_header(message = "", new_line = true) ⇒ Object
-
#display_object(object) ⇒ Object
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#display_row(row, lengths) ⇒ Object
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#display_table(objects, columns, headers) ⇒ Object
-
#error(msg) ⇒ Object
-
#fail(message) ⇒ Object
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#format_bytes(amount) ⇒ Object
-
#format_date(date) ⇒ Object
-
#format_error(error, message = 'Nimbu client internal error.') ⇒ Object
-
#format_with_bang(message) ⇒ Object
-
#get_terminal_environment ⇒ Object
-
#git(args) ⇒ Object
-
#has_git? ⇒ Boolean
-
#home_directory ⇒ Object
-
#hprint(string = '') ⇒ Object
-
#hputs(string = '') ⇒ Object
-
#json_decode(json) ⇒ Object
-
#json_encode(object) ⇒ Object
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#launchy(message, url) ⇒ Object
-
#line_formatter(array) ⇒ Object
produces a printf formatter line for an array of items if an individual line item is an array, it will create columns that are lined-up.
-
#longest(items) ⇒ Object
-
#output(message = "", new_line = true) ⇒ Object
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#output_with_arrow(message = "", new_line = true) ⇒ Object
-
#output_with_bang(message = "", new_line = true) ⇒ Object
-
#quantify(string, num) ⇒ Object
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#redisplay(line, line_break = false) ⇒ Object
-
#retry_on_exception(*exceptions) ⇒ Object
-
#run_command(command, args = []) ⇒ Object
-
#running_on_a_mac? ⇒ Boolean
-
#running_on_windows? ⇒ Boolean
-
#set_buffer(enable) ⇒ Object
-
#shell(cmd) ⇒ Object
-
#spinner(ticks) ⇒ Object
-
#status(message) ⇒ Object
-
#string_distance(first, last) ⇒ Object
-
#styled_array(array, options = {}) ⇒ Object
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#styled_error(error, message = 'Nimbu client internal error.') ⇒ Object
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#styled_hash(hash, keys = nil) ⇒ Object
-
#styled_header(header) ⇒ Object
-
#suggestion(actual, possibilities) ⇒ Object
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#time_ago(elapsed) ⇒ Object
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#truncate(text, length) ⇒ Object
-
#with_tty(&block) ⇒ Object
Methods included from System
browser_launcher, command?, osx?, tmp_dir, which, windows?
Class Method Details
.disable_error_capture ⇒ Object
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# File 'lib/nimbu/command/helpers.rb', line 302
def self.disable_error_capture
included_into.each do |base|
base.send(:alias_method, :error, :error_without_failure)
end
extended_into.each do |base|
class << base
alias_method :error, :error_without_failure
end
end
end
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.enable_error_capture ⇒ Object
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# File 'lib/nimbu/command/helpers.rb', line 289
def self.enable_error_capture
included_into.each do |base|
base.send(:alias_method, :error_without_failure, :error)
base.send(:alias_method, :error, :error_with_failure)
end
extended_into.each do |base|
class << base
alias_method :error_without_failure, :error
alias_method :error, :error_with_failure
end
end
end
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.error_with_failure ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 261
def self.error_with_failure
@@error_with_failure ||= false
end
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.error_with_failure=(new_error_with_failure) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 265
def self.error_with_failure=(new_error_with_failure)
@@error_with_failure = new_error_with_failure
end
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.extended(base) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 281
def self.extended(base)
extended_into << base
end
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.extended_into ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 273
def self.extended_into
@@extended_into ||= []
end
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.included(base) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 277
def self.included(base)
included_into << base
end
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.included_into ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 269
def self.included_into
@@included_into ||= []
end
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Instance Method Details
#action(message) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 224
def action(message, options={})
display("#{message}... ", false)
Nimbu::Helpers.error_with_failure = true
ret = yield
Nimbu::Helpers.error_with_failure = false
display((options[:success] || "done"), false)
if @status
display(", #{@status}", false)
@status = nil
end
display
ret
end
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#ask ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 69
def ask
$stdin.gets.to_s.strip
end
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#confirm(message = "Are you sure you wish to continue? (y/n)?") ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 38
def confirm(message="Are you sure you wish to continue? (y/n)")
display("#{message} ", false)
['y', 'yes'].include?(ask.downcase)
end
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#confirm_billing ⇒ Object
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# File 'lib/nimbu/command/helpers.rb', line 41
def confirm_billing
display
display "This action will cause your account to be billed at the end of the month"
display "For more information, see http://devcenter.nimbu.com/articles/billing"
display "Are you sure you want to do this? (y/n) ", false
if ask.downcase == 'y'
nimbu.confirm_billing
return true
end
end
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#confirm_command(app_to_confirm = app, message = nil) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 43
def confirm_command(app_to_confirm = app, message=nil)
if confirmed_app = Nimbu::Command.current_options[:confirm]
unless confirmed_app == app_to_confirm
raise(Nimbu::Command::CommandFailed, "Confirmed app #{confirmed_app} did not match the selected app #{app_to_confirm}.")
end
return true
else
display
message ||= "WARNING: Destructive Action\nThis command will affect the app: #{app_to_confirm}"
message << "\nTo proceed, type \"#{app_to_confirm}\" or re-run this command with --confirm #{app_to_confirm}"
output_with_bang(message)
display
display "> ", false
if ask.downcase != app_to_confirm
error("Confirmation did not match #{app_to_confirm}. Aborted.")
else
true
end
end
end
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#create_git_remote(remote, url) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 146
def create_git_remote(remote, url)
return if git('remote').split("\n").include?(remote)
return unless File.exists?(".git")
git "remote add #{remote} #{url}"
display "Git remote #{remote} added"
end
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#deprecate(version) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 34
def deprecate(message)
display "WARNING: #{message}"
end
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#display(msg = "", new_line = true) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 21
def display(msg="", new_line=true)
if new_line
puts(msg)
else
print(msg)
$stdout.flush
end
end
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# File 'lib/nimbu/helpers.rb', line 285
def (message="", new_line=true)
return if message.to_s.strip == ""
display("=== " + message.to_s.split("\n").join("\n=== "), new_line)
end
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#display_object(object) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 290
def display_object(object)
case object
when Array
object.each do |item|
display_object(item)
end
when Hash
if object.values.all? {|value| value.is_a?(Array)}
object.keys.sort_by {|key| key.to_s}.each do |key|
(key)
display_object(object[key])
hputs
end
end
else
hputs(object.to_s)
end
end
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#display_row(row, lengths) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 172
def display_row(row, lengths)
row_data = []
row.zip(lengths).each do |column, length|
format = column.is_a?(Fixnum) ? "%#{length}s" : "%-#{length}s"
row_data << format % column
end
display(row_data.join(" "))
end
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#display_table(objects, columns, headers) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 157
def display_table(objects, columns, )
lengths = []
columns.each_with_index do |column, index|
= [index]
lengths << longest([].concat(objects.map { |o| o[column].to_s }))
end
lines = lengths.map {|length| "-" * length}
lengths[-1] = 0 display_row , lengths
display_row lines, lengths
objects.each do |row|
display_row columns.map { |column| row[column] }, lengths
end
end
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# File 'lib/nimbu/helpers.rb', line 133
def format_bytes(amount)
amount = amount.to_i
return '(empty)' if amount == 0
return amount if amount < @@kb
return "#{(amount / @@kb).round}k" if amount < @@mb
return "#{(amount / @@mb).round}M" if amount < @@gb
return "#{(amount / @@gb).round}G"
end
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# File 'lib/nimbu/helpers.rb', line 64
def format_date(date)
date = Time.parse(date).utc if date.is_a?(String)
date.strftime("%Y-%m-%d %H:%M %Z").gsub('GMT', 'UTC')
end
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# File 'lib/nimbu/helpers.rb', line 365
def format_error(error, message='Nimbu client internal error.')
formatted_error = []
formatted_error << " ! #{message}"
formatted_error << ' ! Search for help at: https://help.nimbu.io'
formatted_error << ' ! Or report a bug at: https://github.com/nimbu/nimbu/issues/new'
formatted_error << ''
formatted_error << " Error: #{error.message} (#{error.class})"
formatted_error << " Backtrace: #{error.backtrace.first}"
error.backtrace[1..-1].each do |line|
formatted_error << " #{line}"
end
if error.backtrace.length > 1
formatted_error << ''
end
command = ARGV.map do |arg|
if arg.include?(' ')
arg = %{"#{arg}"}
else
arg
end
end.join(' ')
formatted_error << " Command: nimbu #{command}"
require 'nimbu/auth'
unless Nimbu::Auth.host == Nimbu::Auth.default_host
formatted_error << " Host: #{Nimbu::Auth.host}"
end
if http_proxy = ENV['http_proxy'] || ENV['HTTP_PROXY']
formatted_error << " HTTP Proxy: #{http_proxy}"
end
if https_proxy = ENV['https_proxy'] || ENV['HTTPS_PROXY']
formatted_error << " HTTPS Proxy: #{https_proxy}"
end
formatted_error << " Version: #{Nimbu.user_agent}"
formatted_error << "\n"
formatted_error.join("\n")
end
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# File 'lib/nimbu/helpers.rb', line 242
def format_with_bang(message)
return '' if message.to_s.strip == ""
" ! " + message.split("\n").join("\n ! ")
end
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#get_terminal_environment ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 212
def get_terminal_environment
{ "TERM" => ENV["TERM"], "COLUMNS" => `tput cols`.strip, "LINES" => `tput lines`.strip }
rescue
{ "TERM" => ENV["TERM"] }
end
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#git(args) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 98
def git(args)
return "" unless has_git?
flattened_args = [args].flatten.compact.join(" ")
%x{ git #{flattened_args} 2>&1 }.strip
end
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#has_git? ⇒ Boolean
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# File 'lib/nimbu/helpers.rb', line 93
def has_git?
%x{ git --version }
$?.success?
end
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#home_directory ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 9
def home_directory
running_on_windows? ? ENV['USERPROFILE'].gsub("\\","/") : ENV['HOME']
end
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#hprint(string = '') ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 316
def hprint(string='')
Kernel.print(string)
$stdout.flush
end
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#hputs(string = '') ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 312
def hputs(string='')
Kernel.puts(string)
end
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#json_decode(json) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 187
def json_decode(json)
Nimbu::OkJson.decode(json)
rescue Nimbu::OkJson::Error
nil
end
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#json_encode(object) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 181
def json_encode(object)
Nimbu::OkJson.encode(object)
rescue Nimbu::OkJson::Error
nil
end
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#launchy(message, url) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 325
def launchy(message, url)
action(message) do
require("launchy")
launchy = Launchy.open(url)
if launchy.respond_to?(:join)
launchy.join
end
end
end
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produces a printf formatter line for an array of items if an individual line item is an array, it will create columns that are lined-up
line_formatter([“foo”, “barbaz”]) # => “%-6s” line_formatter([“foo”, “barbaz”], [“bar”, “qux”]) # => “%-3s %-6s”
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# File 'lib/nimbu/helpers.rb', line 342
def line_formatter(array)
if array.any? {|item| item.is_a?(Array)}
cols = []
array.each do |item|
if item.is_a?(Array)
item.each_with_index { |val,idx| cols[idx] = [cols[idx]||0, (val || '').length].max }
end
end
cols.map { |col| "%-#{col}s" }.join(" ")
else
"%s"
end
end
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#longest(items) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 153
def longest(items)
items.map { |i| i.to_s.length }.sort.last
end
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#output(message = "", new_line = true) ⇒ Object
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# File 'lib/nimbu/command/helpers.rb', line 245
def output(message="", new_line=true)
return if message.to_s.strip == ""
display(" " + message.split("\n").join("\n "), new_line)
end
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#output_with_arrow(message = "", new_line = true) ⇒ Object
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# File 'lib/nimbu/command/helpers.rb', line 250
def output_with_arrow(message="", new_line=true)
return if message.to_s.strip == ""
display("----> " + message.split("\n").join("\n "), new_line)
end
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#output_with_bang(message = "", new_line = true) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 247
def output_with_bang(message="", new_line=true)
return if message.to_s.strip == ""
display(format_with_bang(message), new_line)
end
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#quantify(string, num) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 142
def quantify(string, num)
"%d %s" % [ num, num.to_i == 1 ? string : "#{string}s" ]
end
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#redisplay(line, line_break = false) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 30
def redisplay(line, line_break = false)
display("\r\e[0K#{line}", line_break)
end
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#retry_on_exception(*exceptions) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 81
def retry_on_exception(*exceptions)
retry_count = 0
begin
yield
rescue *exceptions => ex
raise ex if retry_count >= 3
sleep 3
retry_count += 1
retry
end
end
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#run_command(command, args = []) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 77
def run_command(command, args=[])
Nimbu::Command.run(command, args)
end
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#running_on_a_mac? ⇒ Boolean
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# File 'lib/nimbu/helpers.rb', line 17
def running_on_a_mac?
RUBY_PLATFORM =~ /-darwin\d/
end
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#running_on_windows? ⇒ Boolean
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# File 'lib/nimbu/helpers.rb', line 13
def running_on_windows?
RUBY_PLATFORM =~ /mswin32|mingw32/
end
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#set_buffer(enable) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 193
def set_buffer(enable)
with_tty do
if enable
`stty icanon echo`
else
`stty -icanon -echo`
end
end
end
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#shell(cmd) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 73
def shell(cmd)
FileUtils.cd(Dir.pwd) {|d| return `#{cmd}`}
end
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#spinner(ticks) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 321
def spinner(ticks)
%w(/ - \\ |)[ticks % 4]
end
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#status(message) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 238
def status(message)
@status = message
end
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#string_distance(first, last) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 442
def string_distance(first, last)
distances = [] 0.upto(first.length) do |index|
distances << [index] + [0] * last.length
end
distances[0] = 0.upto(last.length).to_a
1.upto(last.length) do |last_index|
1.upto(first.length) do |first_index|
first_char = first[first_index - 1, 1]
last_char = last[last_index - 1, 1]
if first_char == last_char
distances[first_index][last_index] = distances[first_index - 1][last_index - 1] else
distances[first_index][last_index] = [
distances[first_index - 1][last_index], distances[first_index][last_index - 1], distances[first_index - 1][last_index - 1] ].min + 1 if first_index > 1 && last_index > 1
first_previous_char = first[first_index - 2, 1]
last_previous_char = last[last_index - 2, 1]
if first_char == last_previous_char && first_previous_char == last_char
distances[first_index][last_index] = [
distances[first_index][last_index],
distances[first_index - 2][last_index - 2] + 1 ].min
end
end
end
end
end
distances[first.length][last.length]
end
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#styled_array(array, options = {}) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 356
def styled_array(array, options={})
fmt = line_formatter(array)
array = array.sort unless options[:sort] == false
array.each do |element|
display((fmt % element).rstrip)
end
display
end
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#styled_error(error, message = 'Nimbu client internal error.') ⇒ Object
#styled_hash(hash, keys = nil) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 414
def styled_hash(hash, keys=nil)
max_key_length = hash.keys.map {|key| key.to_s.length}.max + 2
keys ||= hash.keys.sort {|x,y| x.to_s <=> y.to_s}
keys.each do |key|
case value = hash[key]
when Array
if value.empty?
next
else
elements = value.sort {|x,y| x.to_s <=> y.to_s}
display("#{key}: ".ljust(max_key_length), false)
display(elements[0])
elements[1..-1].each do |element|
display("#{' ' * max_key_length}#{element}")
end
if elements.length > 1
display
end
end
when nil
next
else
display("#{key}: ".ljust(max_key_length), false)
display(value)
end
end
end
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# File 'lib/nimbu/helpers.rb', line 410
def ()
display("=== #{}")
end
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#suggestion(actual, possibilities) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 476
def suggestion(actual, possibilities)
distances = Hash.new {|hash,key| hash[key] = []}
possibilities.each do |suggestion|
distances[string_distance(actual, suggestion)] << suggestion
end
minimum_distance = distances.keys.min
if minimum_distance < 4
suggestions = distances[minimum_distance].sort
if suggestions.length == 1
"Perhaps you meant `#{suggestions.first}`."
else
"Perhaps you meant #{suggestions[0...-1].map {|suggestion| "`#{suggestion}`"}.join(', ')} or `#{suggestions.last}`."
end
else
nil
end
end
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#time_ago(elapsed) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 104
def time_ago(since)
if since.is_a?(String)
since = Time.parse(since)
end
elapsed = Time.now - since
message = since.strftime("%Y/%m/%d %H:%M:%S")
if elapsed <= 60
message << " (~ #{elapsed.floor}s ago)"
elsif elapsed <= (60 * 60)
message << " (~ #{(elapsed / 60).floor}m ago)"
elsif elapsed <= (60 * 60 * 25)
message << " (~ #{(elapsed / 60 / 60).floor}h ago)"
end
message
end
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#truncate(text, length) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 122
def truncate(text, length)
if text.size > length
text[0, length - 2] + '..'
else
text
end
end
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#with_tty(&block) ⇒ Object
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# File 'lib/nimbu/helpers.rb', line 203
def with_tty(&block)
return unless $stdin.isatty
begin
yield
rescue
end
end
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