diff options
| -rw-r--r-- | builtin/submodule--helper.c | 19 | ||||
| -rwxr-xr-x | t/t7408-submodule-reference.sh | 66 |
2 files changed, 83 insertions, 2 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 4beeda5f9..92fd676a2 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -498,9 +498,9 @@ static int add_possible_reference_from_superproject( /* * If the alternate object store is another repository, try the - * standard layout with .git/modules/<name>/objects + * standard layout with .git/(modules/<name>)+/objects */ - if (ends_with(alt->path, ".git/objects")) { + if (ends_with(alt->path, "/objects")) { char *sm_alternate; struct strbuf sb = STRBUF_INIT; struct strbuf err = STRBUF_INIT; @@ -583,6 +583,7 @@ static int module_clone(int argc, const char **argv, const char *prefix) struct strbuf rel_path = STRBUF_INIT; struct strbuf sb = STRBUF_INIT; struct string_list reference = STRING_LIST_INIT_NODUP; + char *sm_alternate = NULL, *error_strategy = NULL; struct option module_clone_options[] = { OPT_STRING(0, "prefix", &prefix, @@ -672,6 +673,20 @@ static int module_clone(int argc, const char **argv, const char *prefix) die(_("could not get submodule directory for '%s'"), path); git_config_set_in_file(p, "core.worktree", relative_path(path, sm_gitdir, &rel_path)); + + /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */ + git_config_get_string("submodule.alternateLocation", &sm_alternate); + if (sm_alternate) + git_config_set_in_file(p, "submodule.alternateLocation", + sm_alternate); + git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); + if (error_strategy) + git_config_set_in_file(p, "submodule.alternateErrorStrategy", + error_strategy); + + free(sm_alternate); + free(error_strategy); + strbuf_release(&sb); strbuf_release(&rel_path); free(sm_gitdir); diff --git a/t/t7408-submodule-reference.sh b/t/t7408-submodule-reference.sh index 1c1e289ff..e159fc503 100755 --- a/t/t7408-submodule-reference.sh +++ b/t/t7408-submodule-reference.sh @@ -125,4 +125,70 @@ test_expect_success 'ignoring missing submodule alternates passes clone and subm ) ' +test_expect_success 'preparing second superproject with a nested submodule plus partial clone' ' + test_create_repo supersuper && + ( + cd supersuper && + echo "I am super super." >file && + git add file && + git commit -m B-super-super-initial + git submodule add "file://$base_dir/super" subwithsub && + git commit -m B-super-super-added && + git submodule update --init --recursive && + git repack -ad + ) && + git clone supersuper supersuper2 && + ( + cd supersuper2 && + git submodule update --init + ) +' + +# At this point there are three root-level positories: A, B, super and super2 + +test_expect_success 'nested submodule alternate in works and is actually used' ' + test_when_finished "rm -rf supersuper-clone" && + git clone --recursive --reference supersuper supersuper supersuper-clone && + ( + cd supersuper-clone && + # test superproject has alternates setup correctly + test_alternate_is_used .git/objects/info/alternates . && + # immediate submodule has alternate: + test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && + # nested submodule also has alternate: + test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub + ) +' + +check_that_two_of_three_alternates_are_used() { + test_alternate_is_used .git/objects/info/alternates . && + # immediate submodule has alternate: + test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && + # but nested submodule has no alternate: + test_must_fail test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub +} + + +test_expect_success 'missing nested submodule alternate fails clone and submodule update' ' + test_when_finished "rm -rf supersuper-clone" && + test_must_fail git clone --recursive --reference supersuper2 supersuper2 supersuper-clone && + ( + cd supersuper-clone && + check_that_two_of_three_alternates_are_used && + # update of the submodule fails + test_must_fail git submodule update --init --recursive + ) +' + +test_expect_success 'missing nested submodule alternate in --reference-if-able mode' ' + test_when_finished "rm -rf supersuper-clone" && + git clone --recursive --reference-if-able supersuper2 supersuper2 supersuper-clone && + ( + cd supersuper-clone && + check_that_two_of_three_alternates_are_used && + # update of the submodule succeeds + git submodule update --init --recursive + ) +' + test_done |