Re: [Gnu-arch-users] [newbie] Is it possible to put in a source file the date of last tree commit?

[Tom Lord]

    > From: Robert Collins <address@hidden>

    > > I would like, when doing a commit, to automatically put the commit date
    > > and time in a source file of my project. I would like something like
    > > $Date$ tag of CVS, but for the commit of the whole tree and not for the
    > > file containing the $Date$ tag in CVS. In other words, the file
    > > containing the hypothetical $arch-date$ tag would be modified and
    > > updated at each commit.
    > >
    > > Is it possible to do that with GNU Arch? If yes, how?

    > No. The design to do so has been specced, but so far no one has
    > implemented it. It's ~ a day for a new-to-the-code programmer, 2-4 hours
    > for someone that knows it. Its (as cduffy says) arguably bad though,
    > because you'll introduce tree wide deltas to every commit, without any
    > gain: 


Um... and with actual (severe) lossage.  People sometimes actually do
merging, strangely enough.

One could make in-file keyword-expansions tree-local:  but with rather
more work than you suggest and at signficant performance costs.

-t