function __fisher_deps_install -a path
for file in $path/{fishfile,bundle}
if test -s $file
debug "Install dependencies %s" "$file"
fisher_install < $file | sed -En 's/^.+([0-9]+) plugin\/s.*/\1/p'
end
end | awk '{ n = n + $0 } END { print n ? n : 0 }'