This on Linux. RubyGems erroneously thinks the mysql gem needs to be updated:
# gem outdated
mysql (2.7 < 2.7.3)
# gem update
Updating installed gems...
Attempting remote update of mysql
Select which gem to install for your platform (i386-linux)
1. mysql 2.7.3 (mswin32)
2. mysql 2.7.1 (mswin32)
3. mysql 2.7 (ruby)
4. mysql 2.6 (ruby)
5. Skip this gem
6. Cancel installation
> 6
ERROR: While executing gem ... (Gem::RemoteInstallationCancelled)
Installation of mysql cancelled.
#
As can be seen, there is no newer version applying to the current platform.
(Minor) Entering EOF (Ctrl-D) at the option prompt yields an error:
# gem update
Updating installed gems...
Attempting remote update of mysql
Select which gem to install for your platform (i386-linux)
1. mysql 2.7.3 (mswin32)
2. mysql 2.7.1 (mswin32)
3. mysql 2.7 (ruby)
4. mysql 2.6 (ruby)
5. Skip this gem
6. Cancel installation
> ERROR: While executing gem ... (NoMethodError)
undefined method `strip' for nil:NilClass
#
Fix:
--- user_interaction.rb.orig 2007-01-19 16:45:34.420481258 -0500
+++ user_interaction.rb 2007-01-19 16:44:33.163111573 -0500
@@ -97,8 +97,13 @@
end
@outs.print "> "
@outs.flush
- result = @ins.gets.strip.to_i - 1
- return list[result], result
+ result = @ins.gets
+ if result
+ result = result.strip.to_i - 1
+ return list[result], result
+ else
+ return nil, nil
+ end
end
# Ask a question. Returns a true for yes, false for no.
--
Jos Backus
jos at catnook.com
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