test_i18ngrep ! "unknown option" err
'
+test_expect_success 'fsck rejects missing URL scheme' '
+ git checkout --orphan missing-scheme &&
+ cat >.gitmodules <<-\EOF &&
+ [submodule "foo"]
+ url = http::one.example.com/foo.git
+ EOF
+ git add .gitmodules &&
+ test_tick &&
+ git commit -m "gitmodules with missing URL scheme" &&
+ test_when_finished "rm -rf dst" &&
+ git init --bare dst &&
+ git -C dst config transfer.fsckObjects true &&
+ test_must_fail git push dst HEAD 2>err &&
+ grep gitmodulesUrl err
+'
+
+test_expect_success 'fsck rejects relative URL resolving to missing scheme' '
+ git checkout --orphan relative-missing-scheme &&
+ cat >.gitmodules <<-\EOF &&
+ [submodule "foo"]
+ url = "..\\../.\\../:one.example.com/foo.git"
+ EOF
+ git add .gitmodules &&
+ test_tick &&
+ git commit -m "gitmodules with relative URL that strips off scheme" &&
+ test_when_finished "rm -rf dst" &&
+ git init --bare dst &&
+ git -C dst config transfer.fsckObjects true &&
+ test_must_fail git push dst HEAD 2>err &&
+ grep gitmodulesUrl err
+'
+
test_expect_success 'fsck permits embedded newline with unrecognized scheme' '
git checkout --orphan newscheme &&
cat >.gitmodules <<-\EOF &&