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RE: [Breakage] Git v2.21.0-rc0 - t5318 (NonStop)

On February 8, 2019 11:51, Jeff King wrote:
> On Fri, Feb 08, 2019 at 06:08:33AM -0500, Randall S. Becker wrote:
> > t5318 is rather problematic and I have no good way to fix this. There
> > is no /dev/zero on the platform, and the corrupt_graph_and_verify
> > hard-codes if=/dev/zero, which is a linux-specific pseudo device.
> > Please provide a more platform independent way of testing this
> > feature. Pretty much all subtests from 46 onward fail as a result.
> We did discuss this at the time of the patch, but it seems we already use
> /dev/zero in a bunch of places:
>   https://public-inbox.org/git/xmqqbm57rkg5.fsf@xxxxxxxxxxxxxxxxxxxxxxxxx/
> Were you just skipping the other tests before?

I did not catch the implications of the review at the time - my bad. We were not intentionally skipping the tests. It looks like some are automatically skipped. t4153 automatically skips (missing TTY), and t5562 fails also but for a different reason (hang - we don't have apache2 to serve up http content).

Would you object to something like this:

if [ ! -e /dev/zero ]; then
	# use shred or some other mechanism (still trying to figure out a solution)
	# existing dd