class Bundler::Dsl::DSLError

Attributes

backtrace[R]

@return [Exception] the backtrace of the exception raised by the

evaluation of the dsl file.
description[R]

@return [String] the description that should be presented to the user.

dsl_path[R]

@return [String] the path of the dsl file that raised the exception.

Public Class Methods

new(description, dsl_path, backtrace, contents = nil) click to toggle source

@param [Exception] backtrace @see backtrace @param [String] #dsl_path @see #dsl_path

# File lib/bundler/dsl.rb, line 385
def initialize(description, dsl_path, backtrace, contents = nil)
  @status_code = $!.respond_to?(:status_code) && $!.status_code

  @description = description
  @dsl_path    = dsl_path
  @backtrace   = backtrace
  @contents    = contents
end

Public Instance Methods

contents() click to toggle source

@return [String] the contents of the DSL that cause the exception to

be raised.
# File lib/bundler/dsl.rb, line 401
def contents
  @contents ||= begin
    dsl_path && File.exist?(dsl_path) && File.read(dsl_path)
  end
end
status_code() click to toggle source
Calls superclass method Bundler::BundlerError.status_code
# File lib/bundler/dsl.rb, line 394
def status_code
  @status_code || super
end
to_s() click to toggle source

The message of the exception reports the content of podspec for the line that generated the original exception.

@example Output

Invalid podspec at `RestKit.podspec` - undefined method
`exclude_header_search_paths=' for #<Pod::Specification for
`RestKit/Network (0.9.3)`>

    from spec-repos/master/RestKit/0.9.3/RestKit.podspec:36
    -------------------------------------------
        # because it would break: #import <CoreData/CoreData.h>
 >      ns.exclude_header_search_paths = 'Code/RestKit.h'
      end
    -------------------------------------------

@return [String] the message of the exception.

# File lib/bundler/dsl.rb, line 425
def to_s
  @to_s ||= begin
    trace_line, description = parse_line_number_from_description

    m = "\n[!] "
    m << description
    m << ". Bundler cannot continue.\n"

    return m unless backtrace && dsl_path && contents

    trace_line = backtrace.find { |l| l.include?(dsl_path.to_s) } || trace_line
    return m unless trace_line
    line_numer = trace_line.split(':')[1].to_i - 1
    return m unless line_numer

    lines      = contents.lines.to_a
    indent     = ' #  '
    indicator  = indent.gsub('#', '>')
    first_line = (line_numer.zero?)
    last_line  = (line_numer == (lines.count - 1))

    m << "\n"
    m << "#{indent}from #{trace_line.gsub(/:in.*$/, '')}\n"
    m << "#{indent}-------------------------------------------\n"
    m << "#{indent}#{    lines[line_numer - 1] }" unless first_line
    m << "#{indicator}#{ lines[line_numer] }"
    m << "#{indent}#{    lines[line_numer + 1] }" unless last_line
    m << "\n" unless m.end_with?("\n")
    m << "#{indent}-------------------------------------------\n"
  end
end

Private Instance Methods

parse_line_number_from_description() click to toggle source
# File lib/bundler/dsl.rb, line 459
def parse_line_number_from_description
  description = self.description
  if dsl_path && description =~ /((#{Regexp.quote File.expand_path(dsl_path)}|#{Regexp.quote dsl_path.to_s}):\d+)/
    trace_line = Regexp.last_match[1]
    description = description.sub(/#{Regexp.quote trace_line}:\s*/, '').sub("\n", ' - ')
  end
  [trace_line, description]
end