Re: [PATCH 8/8] refs: fix invalid old object IDs when migrating reflogs

> Patrick Steinhardt <ps@pks.im> writes:
> 
> > +print_all_reflog_entries () {
> > +	repo=$1 &&
> > +	test-tool -C "$repo" ref-store main for-each-reflog >reflogs &&
> > +	cat reflogs | while read reflog
> > +	do
> > +		echo "REFLOG: $reflog" &&
> > +		test-tool -C "$repo" ref-store main for-each-reflog-ent "$reflog" ||
> > +		return 1
> > +	done
> 
> Let's not cat a single file into a pipe.  What is on the downstream
> side of such a pipe is always prepared to read from its standard
> input.  I.e.
> 
> 	test-tool ... >reflogs &&
> 	while read reflog
> 	do
> 		...
> 	done <reflogs