On Monday, March 5, 2007 at 12:13:50 (+0000) Andy Parkins writes:
quoted text
>...
>Now take the suggestion that timestamps from the repository version should be 
>restored and do the same thing:
>
> git checkout branch1
> # sourcefile.c changes, git sets the timestamp to $timestamp1
> # make would rebuild sourcefile.o (setting its timestamp to $now)
> git checkout branch2
> # sourcefile.c changes, so sets the timestamp to $timestamp2
> # make wouldn't rebuild sourcefile.o because $timestamp2 < $now
> git checkout branch1
> # sourcefile.c changes, so git sets the timestamp to $timestamp1
> # make wouldn't rebuild sourcefile.o because $timestamp1 < $now
>
>All very wrong; in two out of the three builds, the wrong
>sourcefile.o ends up in the final object.

All very wrong if you ignore what I wrote as part of my original note:
keep compilation products separated by branch name, not in the same
place.  This is essential to my request: without it, it is indeed very
wrong.  We currently separate out by compiler, options, machine
architecture, and adding the branch to that is trivial.


Bill
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