Re: empty TIMESTAMP, stamp-vcl

[Bruno Haible]

Eric Blake wrote:
> Now that you mention it, it would be nice if every invocation of
> 'gnulib-tool --update' or 'gnulib-tool --import' would touch a timestamp
> file that could then be incorporated into the project.

How would this help? It's not the date of the latest gnulib-tool invocation
that matters. Nor is it the date of the latest modified file in the gnulib
checkout. But rather the collection of the revisions of all checked-out files.
I.e. the 'git' tree serial number.

Therefore would it help if gnulib-tool copies the contents of
$gnulibdir/.git/refs/heads/master into the generated gnulib-cache.m4?

Bruno