[ruby-core:64053] [ruby-trunk - Bug #10011] Passing a string to Pathname#relative_path_from results in NoMethodError

From: e@...
Date: 2014-07-26 15:50:36 UTC
List: ruby-core #64053
Issue #10011 has been updated by Zachary Scott.

Category set to ext
Target version set to current: 2.2.0

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Bug #10011: Passing a string to Pathname#relative_path_from results in NoMethodError
https://bugs.ruby-lang.org/issues/10011#change-48064

* Author: Jack Nagel
* Status: Assigned
* Priority: Normal
* Assignee: Akira Tanaka
* Category: ext
* Target version: current: 2.2.0
* ruby -v: ruby 2.2.0dev (2014-07-05 trunk 46706) [x86_64-darwin13]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN
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When a string is passed to Pathname#relative_path_from, a NoMethodError is raised.

```
irb(main):001:0> require "pathname"
=> true
irb(main):002:0> Pathname.new("/usr/bin/cc").relative_path_from Pathname.new("/usr/bin")
=> #<Pathname:cc>
irb(main):003:0> Pathname.new("/usr/bin/cc").relative_path_from("/usr/bin")
NoMethodError: undefined method `cleanpath' for "/usr/bin":String
	from /Users/jacknagel/.rubies/ruby-2.2.0/lib/ruby/2.2.0/pathname.rb:493:in `relative_path_from'
	from (irb):3
	from /Users/jacknagel/.rubies/ruby-2.2.0/bin/irb:11:in `<main>'
```

I think either converting the argument to a Pathname or raising TypeError would be acceptable here.



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