Issue #14884 has been updated by GardenTools (Garden Tools).


> Try changing line 4 from `};{#` to `};{ #` (add a space before #).  Worked for me in a Git bash shell running `rake --help`.
> 
> I don't know what shells you and @nobu use...

I'm using msys2's bash (with ruby installed via msys2's package manager). Putting a space there (or indeed removing those # altogether) seems to make it happy.

I note that all the other commands in the same directory have two files per command, but the multi-script-language part is in the .cmd file for those.

e.g. bin/gem simply starts with "#!/usr/bin/env ruby"  whereas bin/gem.cmd opens with :""||{ ""=> %q<-*- ruby -*-

All the other .cmd files have the };{# in them too, but unix-type shells never end up touching those lines. It doesn't seem possible to have both unix-type shells and cmd.exe execute the same script file in that way due to the extension.

----------------------------------------
Bug #14884: msys2 mingw32 'rake' has unexpected text at top of file
https://bugs.ruby-lang.org/issues/14884#change-72809

* Author: GardenTools (Garden Tools)
* Status: Feedback
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.5.1p57 (2018-03-29 revision 63029) [i386-mingw32]
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN
----------------------------------------
'rake' from mingw-w64-i686-ruby 2.5.1-1 has what looks like fragments of a batch file and a shell script as the first few lines of what should be just shell that calls ruby. The shebang on line 9 clearly should be the first line.
The file indicates it is auto generated, so it seems that some of the generation script has been echoed into this file rather than being run. 

Ruby 2.5 installed from rubyinstaller.org installs a 'rake' file that suffers the same issue.

~~~
$ cat /mingw32/bin/rake
:""||{ ""=> %q<-*- ruby -*-
@"%~dp0ruby" -x "%~f0" %*
@exit /b %ERRORLEVEL%
};{#
bindir="${0%/*}" #
exec "$bindir/ruby" "-x" "$0" "$@" #
>,
}
#!/usr/bin/env ruby
#
# This file was generated by RubyGems.
#
# The application 'rake' is installed as part of a gem, and
# this file is here to facilitate running it.
#

require 'rubygems'

version = ">= 0.a"

if ARGV.first
  str = ARGV.first
  str = str.dup.force_encoding("BINARY") if str.respond_to? :force_encoding
  if str =~ /\A_(.*)_\z/ and Gem::Version.correct?($1) then
    version = $1
    ARGV.shift
  end
end

if Gem.respond_to?(:activate_bin_path)
load Gem.activate_bin_path('rake', 'rake', version)
else
gem "rake", version
load Gem.bin_path("rake", "rake", version)
end
~~~


rbinstall.rb around line 440 seems to be related to causing this.



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