robbyrussell/oh-my-zsh — pull request #1298 by nickhutchinson (2012-09-01 22:55:41+00:00)
Title: Update fishy theme to collapse working directory in PROMPT

For non-trailing path components, we show only the first character. So, as in Fish proper, a pathologically lengthy path like ~/some/really/really/really/long/path/name is collapsed to ~/s/r/r/r/l/p/name.