Subject: Re: [GSoC PATCH v3 4/5] t7700: test for promisor file content after repack

From: Lorenzo Pegorari <[email-masked]>
Date: Wed, 8 Apr 2026 01:11:42 +0200

On Tue, Apr 07, 2026 at 11:10:02AM -0700, Junio C Hamano wrote:
> LorenzoPegorari <[email-masked]> writes:
> 
> > Add tests that checks if the content of ".promisor" files are correctly
> > copied inside the ".promisor" files created by a repack.
> >
> > Signed-off-by: LorenzoPegorari <[email-masked]>
> > ---
> >  t/t7700-repack.sh | 63 +++++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 63 insertions(+)
> >
> > diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
> > index 63ef63fc50..89a2116641 100755
> > --- a/t/t7700-repack.sh
> > +++ b/t/t7700-repack.sh
> > @@ -904,4 +904,67 @@ test_expect_success 'pending objects are repacked appropriately' '
> >  	)
> >  '
> >  
> > +test_expect_success 'check one .promisor file content after repack' '
> > +	test_when_finished rm -rf prom_test &&
> > +	git init prom_test &&
> > +	path=prom_test/.git/objects/pack &&
> > +
> > +	(
> > +		test_commit_bulk -C prom_test --start=1 1 &&
> > +		
> > +		# Simulate .promisor file by creating it manually
> > +		prom=$(ls $path/*.pack | sed "s/\.pack/.promisor/") &&
> > +		oid=$(git -C prom_test rev-parse HEAD) &&
> > +		echo "$oid ref" >$prom &&
> > +
> > +		# Save the current .promisor content, repack, and check if correct
> > +		prom_before_repack=$(cat $prom) &&
> > +		git -C prom_test repack -a -d &&
> > +		prom=$(ls $path/*.pack | sed "s/\.pack/.promisor/") &&
> > +		# $prom should contain "$prom_before_repack <date>"
> > +		test_grep "$prom_before_repack " $prom &&
> > +
> > +		# Save the current .promisor content, repack, and check if correct
> > +		cat $prom >prom_before_repack &&
> > +		git -C prom_test repack -a -d &&
> > +		prom=$(ls $path/*.pack | sed "s/\.pack/.promisor/") &&
> > +		# $prom should be exactly the same as prom_before_repack
> > +		test_cmp prom_before_repack $prom
> > +	)
> > +'
> > +
> > +test_expect_success 'check multiple .promisor file content after repack' '
> > +...
> > +
> > +		# Repack, and check if correct compared to previous saved .promisor content
> > +		git -C prom_test repack -a -d &&
> > +		prom=$(ls $path/*.pack | sed "s/\.pack/.promisor/") &&
> > +		# $prom should contain "$prom_before_repack1 <date>" & "$prom_before_repack2 <date>"
> > +		test_grep "$prom_before_repack1 " $prom &&
> > +		test_grep "$prom_before_repack2 " $prom &&
> 
> This test seems to be flakey.
> 
>   https://github.com/git/git/actions/runs/24095497271/job/70292906676#step:10:5274
> 
> shows that $prom gets two file names, and because test_grep is
> expecting a single source to grep inside, the first test_grep
> fails.

Uff yeah, I see.

I also saw your other mail regarding the "SQUASH???" commit you made
(inside the `seen` branch). I'm not so sure if it is useful to solve
this issue tho.

It looks like, for some reason, `repack -a` fails to repack everything
into a single pack, but I believe that `repack -a -f` should force it to
repack everything no matter what (I think??).