In /usr/bin/vimdot line 7:
editor="$EDITOR"
        ^-----^ SC2153: Possible misspelling: EDITOR may not be assigned, but editor is.


In /usr/bin/vimdot line 17:
		if ! test -w .; then error "directory `pwd` is not writable"; fi
                                                      ^---^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
		if ! test -w .; then error "directory $(pwd) is not writable"; fi

For more information:
  https://www.shellcheck.net/wiki/SC2153 -- Possible misspelling: EDITOR may ...
  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...