[Reproducible-builds] [Help-tar] [PATCH] Add --clamp-mtime option

[Paul Eggert]

Jérémy Bobbio wrote:
> We use BUILD_DATE="$(dpkg-parsechangelog -S Date)" to get the time of
> the latest debian/changelog entry. Other projects could use
> BUILD_DATE="$(git log -1 --pretty="%cd")".

Hah!  I use "git log -1 --format='tformat:%ct'" for this situation in the tzcode 
distribution.  Great minds think (nearly) alike.

I guess I'm not still seeing why it's a win to add an option to tar, since we 
seem to have a solution that doesn't involve messing with tar.