Getting rid of RubyGems deprecation warnings

A recent update to RubyGems is causing a lot of deprecation warnings like these: NOTE: Gem::Specification#default_executable= is deprecated with no replacement. It will be removed on or after 2011-10-01. Gem::Specification#default_executable= called from...

Git-gc'ing all git repositories

I was running out of storage space on my machine, so I started to search for things to remove using Grand Perspective. Some of the big files were inside Git repositories, or rather, inside the .git directory of those repositories. I decided it was time to run the Git...