docs/docs/3.1/cmds/fish_svn_prompt.html
function fish\_promptecho -n (pwd)(fish\_svn\_prompt) '$ 'end
The fish_svn_prompt function displays information about the current Subversion repository, if any.
Subversion (svn) must be installed.
There are numerous customization options, which can be controlled with fish variables.
$__fish_svn_prompt_color_revisionthe colour of the revision number to display in the prompt$__fish_svn_prompt_char_separatorthe separator between status charactersA number of variables control the symbol ("display") and color ("color") for the different status indicators:
$__fish_svn_prompt_char_added_display$__fish_svn_prompt_char_added_color$__fish_svn_prompt_char_conflicted_display$__fish_svn_prompt_char_conflicted_color$__fish_svn_prompt_char_deleted_display$__fish_svn_prompt_char_deleted_color$__fish_svn_prompt_char_ignored_display$__fish_svn_prompt_char_ignored_color$__fish_svn_prompt_char_modified_display$__fish_svn_prompt_char_modified_color$__fish_svn_prompt_char_replaced_display$__fish_svn_prompt_char_replaced_color$__fish_svn_prompt_char_unversioned_external_display$__fish_svn_prompt_char_unversioned_external_color$__fish_svn_prompt_char_unversioned_display$__fish_svn_prompt_char_unversioned_color$__fish_svn_prompt_char_missing_display$__fish_svn_prompt_char_missing_color$__fish_svn_prompt_char_versioned_obstructed_display$__fish_svn_prompt_char_versioned_obstructed_color$__fish_svn_prompt_char_locked_display$__fish_svn_prompt_char_locked_color$__fish_svn_prompt_char_scheduled_display$__fish_svn_prompt_char_scheduled_color$__fish_svn_prompt_char_switched_display$__fish_svn_prompt_char_switched_color$__fish_svn_prompt_char_token_present_display$__fish_svn_prompt_char_token_present_color$__fish_svn_prompt_char_token_other_display$__fish_svn_prompt_char_token_other_color$__fish_svn_prompt_char_token_stolen_display$__fish_svn_prompt_char_token_stolen_color$__fish_svn_prompt_char_token_broken_display$__fish_svn_prompt_char_token_broken_colorSee also fish_vcs_prompt, which will call all supported version control prompt functions, including git, Mercurial and Subversion.
A simple prompt that displays svn info:
function fish\_prompt...printf '%s %s$' $PWD (fish\_svn\_prompt)end