bring back t0090-get.sh test

test/sharness/t0090-get.sh

@@ -154,9 +154,30 @@ test_get_cmd() {
   '
 }
 
+test_get_fail() {
+  test_expect_success "create an object that has unresolvable links" '
+    cat <<-\EOF >bad_object &&
+{"Data":{"/":{"bytes":"CAE"}},"Links":[{"Hash":{"/":"Qmd4mG6pDFDmDTn6p3hX1srP8qTbkyXKj5yjpEsiHDX3u8"},"Name":"bar","Tsize":56},{"Hash":{"/":"QmUTjwRnG28dSrFFVTYgbr6LiDLsBmRr2SaUSTGheK2YqG"},"Name":"baz","Tsize":24266},{"Hash":{"/":"QmZzaC6ydNXiR65W8VjGA73ET9MZ6VFAqUT1ngYMXcpihn"},"Name":"foo","Tsize":1897}]}
+EOF
+    cat bad_object | ipfs dag put --store-codec dag-pb > put_out
+  '
+
+  test_expect_success "output looks good" '
+    echo "bafybeifrjjol3gixedca6etdwccnvwfvhurc4wb3i5mnk2rvwvyfcgwxd4" > put_exp &&
+    test_cmp put_exp put_out
+  '
+
+  test_expect_success "ipfs get fails" '
+    test_expect_code 1 ipfs get QmaGidyrnX8FMbWJoxp8HVwZ1uRKwCyxBJzABnR1S2FVUr
+  '
+}
+
 # should work offline
 test_get_cmd
 
+# only really works offline, will try and search network when online
+test_get_fail
+
 # should work online
 test_launch_ipfs_daemon
 test_get_cmd