Try to make Valgrind completion not complain if valgrind is not installed
Initial set of changes working to make fish robust against running out of file descriptors
Attempt to further improve fish's handling when it runs out of fds, and plug some fd leaks
Update __fish_git_prompt.fish to use 'else if'
Fix __fish_git_prompt's upstream indicator for git-svn branches
commit bc4f3476cded71a096adf46534784cdd84edb913
Author: U0 <rhyzix@gmail.com>
Date:   Wed Jan 30 15:02:23 2013 +0800

    add completion support for aliased command
    Make a variable local
Make a git variable local
Update share/completions/uname.fish

Typo: verion --> version
Make subcommands modify $status, and make builtin_set not modify status unless it fails
https://github.com/fish-shell/fish-shell/issues/547
https://github.com/fish-shell/fish-shell/issues/214