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t5316: check behavior of pack-objects --depth=0 

We'd expect this to cleanly produce no deltas at all (as opposed to
getting confused by an out-of-bounds value), and it does.

Note we have to adjust our max_chain test helper, which expected to find
at least one delta.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Jeff King 2021-05-01 10:04:00 -04:00 committed by Junio C Hamano
parent 953aa54e1a
commit 49ac1d33bb
1 changed files with 8 additions and 0 deletions
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8
t/t5316-pack-delta-depth.sh
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@ -69,6 +69,7 @@ test_expect_success 'create series of packs' '
max_chain() { max_chain() {
git index-pack --verify-stat-only "$1" >output && git index-pack --verify-stat-only "$1" >output &&
perl -lne ' perl -lne '
BEGIN { $len = 0 }
/chain length = (\d+)/ and $len = $1; /chain length = (\d+)/ and $len = $1;
END { print $len } END { print $len }
' output ' output
@ -94,4 +95,11 @@ test_expect_success '--depth limits depth' '
test_cmp expect actual test_cmp expect actual
' '


test_expect_success '--depth=0 disables deltas' '
pack=$(git pack-objects --all --depth=0 </dev/null pack) &&
echo 0 >expect &&
max_chain pack-$pack.pack >actual &&
test_cmp expect actual
'

test_done test_done