Fix file descriptor leak in Formula#system
ruby-build 20130907

Closes #22370.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
brew-test-bot: run brew uses.
nexus 2.6.2-01

Closes #22369.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
nexus: use version variable.
nexus: replace patch with inreplace.
nexus: remove caveats, shorten plist_options.
qt, qt5: cleanup hacky, unused, misnamed options.

Closes #22321.
Closes #22332.
Optionally use git to keep brew etc versioned.

Still in alpha state.
Handles defaults and merging changes with new versions.
Enable by setting the HOMEBREW_GIT_ETC environment variable.

Closes #15751.
Closes #17713.
ledger: fix missing gmp dependency.

Closes #22352.
doxygen: fix sourceforge mirror URL.

Closes #22351.
ARGV.verbose? is always false here
Use block-form of File.open and let Ruby do the cleanup
Rewrite conditions in more natural way
cassandra 2.0.0

Closes #22373.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
cassandra: move non-executable bins to share.
audit: print warning and description.
update: restore previous state when interrupted