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downloader.rb: true symlink on cygwin

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* tool/downloader.rb (Downloader.link_cache): on Cygwin, make true
  symlink only, which is provided by the OS.  as mingw/mswin ruby
  can't follow cygwin's pseudo symlink, it will fail on the same
  source tree.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58843 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-05-22 04:10:51 +00:00
parent 72fb1e1690
commit c45a52af36
1 changed files with 10 additions and 8 deletions
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tool/downloader.rb
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@ -225,6 +225,7 @@ class Downloader
def self.link_cache(cache, file, name, verbose = false) def self.link_cache(cache, file, name, verbose = false)
return false unless cache and cache.exist? return false unless cache and cache.exist?
return true if cache.eql?(file) return true if cache.eql?(file)
if /cygwin/ !~ RUBY_PLATFORM or /winsymlink:nativestrict/ =~ ENV['CYGWIN']
begin begin
file.make_symlink(cache.relative_path_from(file.parent)) file.make_symlink(cache.relative_path_from(file.parent))
rescue SystemCallError rescue SystemCallError
@ -235,6 +236,7 @@ class Downloader
end end
return true return true
end end
end
begin begin
file.make_link(cache) file.make_link(cache)
rescue SystemCallError rescue SystemCallError