dotfiles/dot_config/fish/functions/_fzf_preview_file.fish

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# helper function for _fzf_search_directory and _fzf_search_git_status
function _fzf_preview_file --description "Print a preview for the given file based on its file type."
# because there's no way to guarantee that _fzf_search_directory passes the path to _fzf_preview_file
# as one argument, we collect all the arguments into one single variable and treat that as the path
set -f file_path $argv
if test -L "$file_path" # symlink
# notify user and recurse on the target of the symlink, which can be any of these file types
set -l target_path (realpath "$file_path")
set_color yellow
echo "'$file_path' is a symlink to '$target_path'."
set_color normal
_fzf_preview_file "$target_path"
else if test -f "$file_path" # regular file
if set --query fzf_preview_file_cmd
# need to escape quotes to make sure eval receives file_path as a single arg
eval "$fzf_preview_file_cmd '$file_path'"
else
bat --style=numbers --color=always "$file_path"
end
else if test -d "$file_path" # directory
if set --query fzf_preview_dir_cmd
# see above
eval "$fzf_preview_dir_cmd '$file_path'"
else
# -A list hidden files as well, except for . and ..
# -F helps classify files by appending symbols after the file name
command ls -A -F "$file_path"
end
else if test -c "$file_path"
_fzf_report_file_type "$file_path" "character device file"
else if test -b "$file_path"
_fzf_report_file_type "$file_path" "block device file"
else if test -S "$file_path"
_fzf_report_file_type "$file_path" socket
else if test -p "$file_path"
_fzf_report_file_type "$file_path" "named pipe"
else
echo "$file_path doesn't exist." >&2
end
end