function _fzf_wrapper --description "Prepares some environment variables before executing fzf." # Make sure fzf uses fish to execute preview commands, some of which # are autoloaded fish functions so don't exist in other shells. # Use --function so that it doesn't clobber SHELL outside this function. set -f --export SHELL (command --search fish) # If neither FZF_DEFAULT_OPTS nor FZF_DEFAULT_OPTS_FILE are set, then set some sane defaults. # See https://github.com/junegunn/fzf#environment-variables set --query FZF_DEFAULT_OPTS FZF_DEFAULT_OPTS_FILE if test $status -eq 2 # cycle allows jumping between the first and last results, making scrolling faster # layout=reverse lists results top to bottom, mimicking the familiar layouts of git log, history, and env # border shows where the fzf window begins and ends # height=90% leaves space to see the current command and some scrollback, maintaining context of work # preview-window=wrap wraps long lines in the preview window, making reading easier # marker=* makes the multi-select marker more distinguishable from the pointer (since both default to >) set --export FZF_DEFAULT_OPTS '--cycle --layout=reverse --border --height=90% --preview-window=wrap --marker="*"' end fzf $argv end