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Fix absolute path predicate on Windows

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A path starts with '/' is not an absolute path on Windows, because
of drive letter or UNC.
This commit is contained in:
Nobuyoshi Nakada 2021-01-29 08:53:45 +09:00
parent c10be4e9db
commit f6387ae073
Notes: git 2021-01-29 10:26:49 +09:00 
Merged: https://github.com/ruby/ruby/pull/4127
1 changed files with 24 additions and 1 deletions
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25
lib/irb/ext/loader.rb
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@ -31,8 +31,31 @@ module IRB # :nodoc:
load_file(path, priv)
end
if File.respond_to?(:absolute_path?)
def absolute_path?(path)
File.absolute_path?(path)
end
else
separator =
if File::ALT_SEPARATOR
File::SEPARATOR
else
"[#{Regexp.quote(File::SEPARATOR + File::ALT_SEPARATOR)}]"
end
ABSOLUTE_PATH_PATTERN = # :nodoc:
case Dir.pwd
when /\A\w:/, /\A#{separator}{2}/
/\A(?:\w:|#{separator})#{separator}/
else
/\A#{separator}/
end
def absolute_path?(path)
ABSOLUTE_PATH_PATTERN =~ path
end
end
def search_file_from_ruby_path(fn) # :nodoc:
if /^#{Regexp.quote(File::Separator)}/ =~ fn
if absolute_path?(fn)
return fn if File.exist?(fn)
return nil
end