Stage an unregistered submodule in _add_bypath()
diff --git a/src/index.c b/src/index.c
index 501498e..73f0b3d 100644
--- a/src/index.c
+++ b/src/index.c
@@ -1228,6 +1228,45 @@
return 0;
}
+static int add_repo_as_submodule(git_index_entry **out, git_index *index, const char *path)
+{
+ git_repository *sub;
+ git_buf abspath = GIT_BUF_INIT;
+ git_repository *repo = INDEX_OWNER(index);
+ git_reference *head;
+ git_index_entry *entry;
+ struct stat st;
+ int error;
+
+ if (index_entry_create(&entry, INDEX_OWNER(index), path) < 0)
+ return -1;
+
+ if ((error = git_buf_joinpath(&abspath, git_repository_workdir(repo), path)) < 0)
+ return error;
+
+ if ((error = p_stat(abspath.ptr, &st)) < 0) {
+ giterr_set(GITERR_OS, "failed to stat repository dir");
+ return -1;
+ }
+
+ git_index_entry__init_from_stat(entry, &st, !index->distrust_filemode);
+
+ if ((error = git_repository_open(&sub, abspath.ptr)) < 0)
+ return error;
+
+ if ((error = git_repository_head(&head, sub)) < 0)
+ return error;
+
+ git_oid_cpy(&entry->id, git_reference_target(head));
+ entry->mode = GIT_FILEMODE_COMMIT;
+
+ git_reference_free(head);
+ git_repository_free(sub);
+ git_buf_free(&abspath);
+
+ *out = entry;
+ return 0;
+}
int git_index_add_bypath(git_index *index, const char *path)
{
@@ -1252,12 +1291,26 @@
ret = git_submodule_lookup(&sm, INDEX_OWNER(index), path);
if (ret == GIT_ENOTFOUND)
return giterr_restore(&err);
- else
- git__free(err.error_msg.message);
- ret = git_submodule_add_to_index(sm, false);
- git_submodule_free(sm);
- return ret;
+ git__free(err.error_msg.message);
+
+ /*
+ * EEXISTS means that there is a repository at that path, but it's not known
+ * as a submodule. We add its HEAD as an entry and don't register it.
+ */
+ if (ret == GIT_EEXISTS) {
+ if ((ret = add_repo_as_submodule(&entry, index, path)) < 0)
+ return ret;
+
+ if ((ret = index_insert(index, &entry, 1, false)) < 0)
+ return ret;
+ } else if (ret < 0) {
+ return ret;
+ } else {
+ ret = git_submodule_add_to_index(sm, false);
+ git_submodule_free(sm);
+ return ret;
+ }
}
/* Adding implies conflict was resolved, move conflict entries to REUC */
diff --git a/tests/index/bypath.c b/tests/index/bypath.c
index ddb766a..9706a88 100644
--- a/tests/index/bypath.c
+++ b/tests/index/bypath.c
@@ -33,3 +33,16 @@
cl_git_pass(git_submodule_status(&status, g_repo, sm_name, 0));
cl_assert_equal_i(0, status & GIT_SUBMODULE_STATUS_WD_MODIFIED);
}
+
+void test_index_bypath__add_submodule_unregistered(void)
+{
+ const char *sm_name = "not-submodule";
+ const char *sm_head = "68e92c611b80ee1ed8f38314ff9577f0d15b2444";
+ const git_index_entry *entry;
+
+ cl_git_pass(git_index_add_bypath(g_idx, sm_name));
+
+ cl_assert(entry = git_index_get_bypath(g_idx, sm_name, 0));
+ cl_assert_equal_s(sm_head, git_oid_tostr_s(&entry->id));
+ cl_assert_equal_s(sm_name, entry->path);
+}
