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-rw-r--r--builtin/submodule--helper.c12
-rwxr-xr-xt/t7400-submodule-basic.sh19
2 files changed, 29 insertions, 2 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 07a1935cbe..1a1043cdab 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1913,6 +1913,13 @@ static int determine_submodule_update_strategy(struct repository *r,
const char *val;
int ret;
+ /*
+ * NEEDSWORK: audit and ensure that update_submodule() has right
+ * to assume that submodule_from_path() above will always succeed.
+ */
+ if (!sub)
+ BUG("update_submodule assumes a submodule exists at path (%s)",
+ path);
key = xstrfmt("submodule.%s.update", sub->name);
if (update) {
@@ -3537,14 +3544,15 @@ static int module_add(int argc, const char **argv, const char *prefix,
}
}
- if(!add_data.sm_name)
+ if (!add_data.sm_name)
add_data.sm_name = add_data.sm_path;
existing = submodule_from_name(the_repository,
null_oid(the_hash_algo),
add_data.sm_name);
- if (existing && strcmp(existing->path, add_data.sm_path)) {
+ if (existing && existing->path &&
+ strcmp(existing->path, add_data.sm_path)) {
if (!force) {
die(_("submodule name '%s' already used for path '%s'"),
add_data.sm_name, existing->path);
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index fd3e7e355e..9ade97e432 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -48,6 +48,25 @@ test_expect_success 'submodule deinit works on empty repository' '
git submodule deinit --all
'
+test_expect_success 'submodule add with incomplete .gitmodules' '
+ test_when_finished "rm -f expect actual" &&
+ test_when_finished "git config remove-section submodule.one" &&
+ test_when_finished "git rm -f one .gitmodules" &&
+ git init one &&
+ git -C one commit --allow-empty -m one-initial &&
+ git config -f .gitmodules submodule.one.ignore all &&
+
+ git submodule add ./one &&
+
+ for var in ignore path url
+ do
+ git config -f .gitmodules --get "submodule.one.$var" ||
+ return 1
+ done >actual &&
+ test_write_lines all one ./one >expect &&
+ test_cmp expect actual
+'
+
test_expect_success 'setup - initial commit' '
>t &&
git add t &&