1 files changed, 39 insertions, 4 deletions
diff --git a/t/t5351-unpack-large-objects.sh b/t/t5351-unpack-large-objects.sh
index 8d84313221..8ce8aa3b14 100755
--- a/t/t5351-unpack-large-objects.sh
+++ b/t/t5351-unpack-large-objects.sh
@@ -9,7 +9,8 @@ test_description='git unpack-objects with large objects'
 
 prepare_dest () {
 	test_when_finished "rm -rf dest.git" &&
-	git init --bare dest.git
+	git init --bare dest.git &&
+	git -C dest.git config core.bigFileThreshold "$1"
 }
 
 test_expect_success "create large objects (1.5 MB) and PACK" '
@@ -17,7 +18,10 @@ test_expect_success "create large objects (1.5 MB) and PACK" '
 	test_commit --append foo big-blob &&
 	test-tool genrandom bar 1500000 >big-blob &&
 	test_commit --append bar big-blob &&
-	PACK=$(echo HEAD | git pack-objects --revs pack)
+	PACK=$(echo HEAD | git pack-objects --revs pack) &&
+	git verify-pack -v pack-$PACK.pack >out &&
+	sed -n -e "s/^\([0-9a-f][0-9a-f]*\).*\(commit\|tree\|blob\).*/\1/p" \
+		<out >obj-list
 '
 
 test_expect_success 'set memory limitation to 1MB' '
@@ -26,16 +30,47 @@ test_expect_success 'set memory limitation to 1MB' '
 '
 
 test_expect_success 'unpack-objects failed under memory limitation' '
-	prepare_dest &&
+	prepare_dest 2m &&
 	test_must_fail git -C dest.git unpack-objects <pack-$PACK.pack 2>err &&
 	grep "fatal: attempting to allocate" err
 '
 
 test_expect_success 'unpack-objects works with memory limitation in dry-run mode' '
-	prepare_dest &&
+	prepare_dest 2m &&
 	git -C dest.git unpack-objects -n <pack-$PACK.pack &&
 	test_stdout_line_count = 0 find dest.git/objects -type f &&
 	test_dir_is_empty dest.git/objects/pack
 '
 
+test_expect_success 'unpack big object in stream' '
+	prepare_dest 1m &&
+	git -C dest.git unpack-objects <pack-$PACK.pack &&
+	test_dir_is_empty dest.git/objects/pack
+'
+
+BATCH_CONFIGURATION='-c core.fsync=loose-object -c core.fsyncmethod=batch'
+
+test_expect_success 'unpack big object in stream (core.fsyncmethod=batch)' '
+	prepare_dest 1m &&
+	GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \
+		git -C dest.git $BATCH_CONFIGURATION unpack-objects <pack-$PACK.pack &&
+	grep fsync/hardware-flush trace2.txt &&
+	test_dir_is_empty dest.git/objects/pack &&
+	git -C dest.git cat-file --batch-check="%(objectname)" <obj-list >current &&
+	cmp obj-list current
+'
+
+test_expect_success 'do not unpack existing large objects' '
+	prepare_dest 1m &&
+	git -C dest.git index-pack --stdin <pack-$PACK.pack &&
+	git -C dest.git unpack-objects <pack-$PACK.pack &&
+
+	# The destination came up with the exact same pack...
+	DEST_PACK=$(echo dest.git/objects/pack/pack-*.pack) &&
+	test_cmp pack-$PACK.pack $DEST_PACK &&
+
+	# ...and wrote no loose objects
+	test_stdout_line_count = 0 find dest.git/objects -type f ! -name "pack-*"
+'
+
 test_done