File.utime and File.mtime
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Key: JRUBY-1983
URL: http://jira.codehaus.org/browse/JRUBY-1983
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1RC1
Reporter: Assaf Arkin
The FileUtils.touch method updates the file's current timestamp by calling
(line 1029):
File.utime(nil, nil, path)
In MRI, this updates the file's atime and mtime to Time.now, in JRuby it
updates them to Time.at(0).
A second bug exists in File.mtime. When trying to read the file's mtime using
this method, on files that have this Epoch timestamp, JRuby raises a ENOENT
error. However, using File.lstat(path).mtime returns the correct result.
To test this:
require 'fileutils'
# touch fails when updating existing file, not when creating it.
File.open('foo', 'w') { }
FileUtils.touch('foo')
# Should return Time.now.
puts File.state(path).mtime
# Should not fail.
puts File.mtime(path)
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