# Core Library ## Basic Functions #### `autoload` _``_ Autoload a function or completion path. Add the specified list of directories to `$fish_function_path`. Any `completions` directories are correctly added to the `$fish_complete_path`. ```fish autoload $mypath $mypath/completions ``` #### `available` _``_ Check if a program is available to run. Sets `$status` to `0` if the program is available. Use this function to check if a plugin is available before using it: ```fish if available battery battery end ``` #### `basename` _` ...`_ Wrap basename so it can handle multiple arguments. #### `refresh` Replace the running instance of fishshell with a new one causing Oh My Fish to reload as well. #### `prompt_segments` Extract the root (top-most parent directory), dirname and basename from [`fish_prompt`](http://fishshell.com/docs/current/faq.html#faq-prompt). ## Git Functions #### `git_ahead` Echo a character that represents whether the current repo is ahead, behind or has diverged from its upstream. ##### Default values: + ahead: `+` + behind: `-` + diverged: `±` + none: ` ` #### `git_is_repo` Set `$status` to `0` if the current working directory belongs to a git repo. #### `git_branch_name` Echo the currently checked out branch name of the current repo. #### `git_is_dirty` Set `$status` to `0` if there are any changes to files already being tracked in the repo. #### `git_is_staged` Set `$status` to `0` if there [staged](http://programmers.stackexchange.com/questions/119782/what-does-stage-mean-in-git) changes. #### `git_is_stashed` Set `$status` to `0` if there are items in the [stash](https://git-scm.com/book/en/v1/Git-Tools-Stashing). #### `git_is_touched` Set `$status` to `0` if the repo has any changes whatsoever, including [tracked or untracked](http://stackoverflow.com/questions/9663507/what-is-tracked-files-and-untracked-files-in-the-context-of-git) files. #### `git_untracked` Echo a `\n` separated list of untracked files.