what = _("[new ref]");
}
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref(msg, ref, 0);
format_display(display, r ? '!' : '*', what,
r ? _("unable to update local ref") : NULL,
strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "..");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref("fast-forward", ref, 1);
format_display(display, r ? '!' : ' ', quickref.buf,
r ? _("unable to update local ref") : NULL,
strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "...");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref("forced-update", ref, 1);
format_display(display, r ? '!' : '+', quickref.buf,
r ? _("unable to update local ref") : _("forced update"),
ref->force = rm->peer_ref->force;
}
+ if (recurse_submodules != RECURSE_SUBMODULES_OFF)
+ check_for_new_submodule_commits(&rm->old_oid);
if (!strcmp(rm->name, "HEAD")) {
kind = "";
*/
if (strcmp(remote->name, repository_format_partial_clone)) {
if (filter_options.choice)
- die(_("--filter can only be used with the remote configured in core.partialClone"));
+ die(_("--filter can only be used with the remote "
+ "configured in extensions.partialclone"));
return;
}
result = fetch_one(remote, argc, argv, prune_tags_ok);
} else {
if (filter_options.choice)
- die(_("--filter can only be used with the remote configured in core.partialClone"));
+ die(_("--filter can only be used with the remote "
+ "configured in extensions.partialclone"));
/* TODO should this also die if we have a previous partial-clone? */
result = fetch_multiple(&list);
}
const struct object_id *oid,
const char *filename, const char *path)
{
- struct repository submodule;
+ struct repository subrepo;
+ const struct submodule *sub = submodule_from_path(superproject,
+ &null_oid, path);
+
int hit;
/*
return 0;
}
- if (repo_submodule_init(&submodule, superproject, path)) {
+ if (repo_submodule_init(&subrepo, superproject, sub)) {
grep_read_unlock();
return 0;
}
- repo_read_gitmodules(&submodule);
+ repo_read_gitmodules(&subrepo);
/*
* NEEDSWORK: This adds the submodule's object directory to the list of
* store is no longer global and instead is a member of the repository
* object.
*/
- add_to_alternates_memory(submodule.objects->odb->path);
- add_to_alternates_memory(subrepo.objects->objectdir);
++ add_to_alternates_memory(subrepo.objects->odb->path);
grep_read_unlock();
if (oid) {
init_tree_desc(&tree, data, size);
hit = grep_tree(opt, pathspec, &tree, &base, base.len,
- object->type == OBJ_COMMIT, &submodule);
+ object->type == OBJ_COMMIT, &subrepo);
strbuf_release(&base);
free(data);
} else {
- hit = grep_cache(opt, &submodule, pathspec, 1);
+ hit = grep_cache(opt, &subrepo, pathspec, 1);
}
- repo_clear(&submodule);
+ repo_clear(&subrepo);
return hit;
}
if (match != all_entries_interesting) {
strbuf_addstr(&name, base->buf + tn_len);
- match = tree_entry_interesting(&entry, &name,
+ match = tree_entry_interesting(repo->index,
+ &entry, &name,
0, pathspec);
strbuf_setlen(&name, name_base_len);
static void show_submodule(struct repository *superproject,
struct dir_struct *dir, const char *path)
{
- struct repository submodule;
+ struct repository subrepo;
+ const struct submodule *sub = submodule_from_path(superproject,
+ &null_oid, path);
- if (repo_submodule_init(&submodule, superproject, path))
+ if (repo_submodule_init(&subrepo, superproject, sub))
return;
- if (repo_read_index(&submodule) < 0)
+ if (repo_read_index(&subrepo) < 0)
die("index file corrupt");
- show_files(&submodule, dir);
+ show_files(&subrepo, dir);
- repo_clear(&submodule);
+ repo_clear(&subrepo);
}
static void show_ce(struct repository *repo, struct dir_struct *dir,
PATHSPEC_PREFER_CWD, prefix, matchbuf);
} else
memset(&pathspec, 0, sizeof(pathspec));
- if (read_tree(tree, 1, &pathspec, istate))
+ if (read_tree(the_repository, tree, 1, &pathspec, istate))
die("unable to read tree entries %s", tree_name);
for (i = 0; i < istate->cache_nr; i++) {
if (!(flags & OPT_QUIET))
printf(format, displaypath);
+ submodule_unset_core_worktree(sub);
+
strbuf_release(&sb_rm);
}
SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
static int add_possible_reference_from_superproject(
- struct alternate_object_database *alt, void *sas_cb)
+ struct object_directory *odb, void *sas_cb)
{
struct submodule_alternate_setup *sas = sas_cb;
+ size_t len;
/*
* If the alternate object store is another repository, try the
* standard layout with .git/(modules/<name>)+/objects
*/
- if (ends_with(alt->path, "/objects")) {
+ if (strip_suffix(odb->path, "/objects", &len)) {
char *sm_alternate;
struct strbuf sb = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
- strbuf_add(&sb, alt->path, strlen(alt->path) - strlen("objects"));
+ strbuf_add(&sb, odb->path, len);
/*
* We need to end the new path with '/' to mark it as a dir,
* as the last part of a missing submodule reference would
* be taken as a file name.
*/
- strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
+ strbuf_addf(&sb, "/modules/%s/", sas->submodule_name);
sm_alternate = compute_alternate_path(sb.buf, &err);
if (sm_alternate) {
#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, \
NULL, NULL, NULL, \
- NULL, 0, 0, 0, NULL, 0, 0, 0}
+ NULL, 0, 0, 0, NULL, 0, 0, 1}
static void next_submodule_warn_missing(struct submodule_update_clone *suc,
struct repository subrepo;
if (argc != 2)
- BUG("submodule--helper
connect-gitdir-workingtree <name> <path>");
+ BUG("submodule--helper
ensure-core-worktree <path>");
path = argv[1];
if (!sub)
BUG("We could get the submodule handle before?");
- if (repo_submodule_init(&subrepo, the_repository, path))
+ if (repo_submodule_init(&subrepo, the_repository, sub))
die(_("could not get a repository handle for submodule '%s'"), path);
if (!repo_config_get_string(&subrepo, "core.worktree", &cw)) {
free(old_gitdir);
repo_set_commondir(repo, o->commondir);
- expand_base_dir(&repo->objects->objectdir, o->object_dir,
+
+ if (!repo->objects->odb) {
+ repo->objects->odb = xcalloc(1, sizeof(*repo->objects->odb));
+ repo->objects->odb_tail = &repo->objects->odb->next;
+ }
+ expand_base_dir(&repo->objects->odb->path, o->object_dir,
repo->commondir, "objects");
+
free(repo->objects->alternate_db);
repo->objects->alternate_db = xstrdup_or_null(o->alternate_db);
expand_base_dir(&repo->graft_file, o->graft_file,
return -1;
}
- /*
- * Initialize 'submodule' as the submodule given by 'path' in parent repository
- * 'superproject'.
- * Return 0 upon success and a non-zero value upon failure.
- */
- int repo_submodule_init(struct repository *submodule,
+ int repo_submodule_init(struct repository *subrepo,
struct repository *superproject,
- const char *path)
+ const struct submodule *sub)
{
- const struct submodule *sub;
struct strbuf gitdir = STRBUF_INIT;
struct strbuf worktree = STRBUF_INIT;
int ret = 0;
- sub = submodule_from_path(superproject, &null_oid, path);
if (!sub) {
ret = -1;
goto out;
}
- strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", path);
- strbuf_repo_worktree_path(&worktree, superproject, "%s", path);
+ strbuf_repo_worktree_path(&gitdir, superproject, "%s/.git", sub->path);
+ strbuf_repo_worktree_path(&worktree, superproject, "%s", sub->path);
- if (repo_init(submodule, gitdir.buf, worktree.buf)) {
+ if (repo_init(subrepo, gitdir.buf, worktree.buf)) {
/*
* If initilization fails then it may be due to the submodule
* not being populated in the superproject's worktree. Instead
strbuf_repo_git_path(&gitdir, superproject,
"modules/%s", sub->name);
- if (repo_init(submodule, gitdir.buf, NULL)) {
+ if (repo_init(subrepo, gitdir.buf, NULL)) {
ret = -1;
goto out;
}
}
- submodule->submodule_prefix = xstrfmt("%s%s/",
- superproject->submodule_prefix ?
- superproject->submodule_prefix :
- "", path);
+ subrepo->submodule_prefix = xstrfmt("%s%s/",
+ superproject->submodule_prefix ?
+ superproject->submodule_prefix :
+ "", sub->path);
out:
strbuf_release(&gitdir);
#include "commit-reach.h"
static int config_update_recurse_submodules = RECURSE_SUBMODULES_OFF;
- static struct string_list changed_submodule_names = STRING_LIST_INIT_DUP;
static int initialized_fetch_ref_tips;
static struct oid_array ref_tips_before_fetch;
static struct oid_array ref_tips_after_fetch;
DEFAULT_GIT_DIR_ENVIRONMENT);
}
+ static void prepare_submodule_repo_env_in_gitdir(struct argv_array *out)
+ {
+ prepare_submodule_repo_env_no_git_dir(out);
+ argv_array_pushf(out, "%s=.", GIT_DIR_ENVIRONMENT);
+ }
+
/* Helper function to display the submodule header line prior to the full
* summary output. If it can locate the submodule objects directory it will
* attempt to lookup both the left and right commits and put them into the
oid_array_append(&ref_tips_after_fetch, oid);
}
- static void calculate_changed_submodule_paths(struct repository *r)
+ static void calculate_changed_submodule_paths(struct repository *r,
+ struct string_list *changed_submodule_names)
{
struct argv_array argv = ARGV_ARRAY_INIT;
- struct string_list changed_submodules = STRING_LIST_INIT_DUP;
- const struct string_list_item *name;
+ struct string_list_item *name;
/* No need to check if there are no submodules configured */
if (!submodule_from_path(r, NULL, NULL))
* Collect all submodules (whether checked out or not) for which new
* commits have been recorded upstream in "changed_submodule_names".
*/
- collect_changed_submodules(r, &changed_submodules, &argv);
+ collect_changed_submodules(r, changed_submodule_names, &argv);
- for_each_string_list_item(name, &changed_submodules) {
+ for_each_string_list_item(name, changed_submodule_names) {
struct oid_array *commits = name->util;
const struct submodule *submodule;
const char *path = NULL;
if (!path)
continue;
- if (!submodule_has_commits(r, path, commits))
- string_list_append(&changed_submodule_names, name->string);
+ if (submodule_has_commits(r, path, commits)) {
+ oid_array_clear(commits);
+ *name->string = '\0';
+ }
}
- free_submodules_oids(&changed_submodules);
+ string_list_remove_empty_items(changed_submodule_names, 1);
+
argv_array_clear(&argv);
oid_array_clear(&ref_tips_before_fetch);
oid_array_clear(&ref_tips_after_fetch);
int default_option;
int quiet;
int result;
+
+ struct string_list changed_submodule_names;
+
+ /* Pending fetches by OIDs */
+ struct fetch_task **oid_fetch_tasks;
+ int oid_fetch_tasks_nr, oid_fetch_tasks_alloc;
};
- #define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0, 0}
+ #define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0, 0, \
+ STRING_LIST_INIT_DUP, \
+ NULL, 0, 0}
static int get_fetch_recurse_config(const struct submodule *submodule,
struct submodule_parallel_fetch *spf)
return spf->default_option;
}
+ /*
+ * Fetch in progress (if callback data) or
+ * pending (if in oid_fetch_tasks in struct submodule_parallel_fetch)
+ */
+ struct fetch_task {
+ struct repository *repo;
+ const struct submodule *sub;
+ unsigned free_sub : 1; /* Do we need to free the submodule? */
+
+ struct oid_array *commits; /* Ensure these commits are fetched */
+ };
+
+ /**
+ * When a submodule is not defined in .gitmodules, we cannot access it
+ * via the regular submodule-config. Create a fake submodule, which we can
+ * work on.
+ */
+ static const struct submodule *get_non_gitmodules_submodule(const char *path)
+ {
+ struct submodule *ret = NULL;
+ const char *name = default_name_or_path(path);
+
+ if (!name)
+ return NULL;
+
+ ret = xmalloc(sizeof(*ret));
+ memset(ret, 0, sizeof(*ret));
+ ret->path = name;
+ ret->name = name;
+
+ return (const struct submodule *) ret;
+ }
+
+ static struct fetch_task *fetch_task_create(struct repository *r,
+ const char *path)
+ {
+ struct fetch_task *task = xmalloc(sizeof(*task));
+ memset(task, 0, sizeof(*task));
+
+ task->sub = submodule_from_path(r, &null_oid, path);
+ if (!task->sub) {
+ /*
+ * No entry in .gitmodules? Technically not a submodule,
+ * but historically we supported repositories that happen to be
+ * in-place where a gitlink is. Keep supporting them.
+ */
+ task->sub = get_non_gitmodules_submodule(path);
+ if (!task->sub) {
+ free(task);
+ return NULL;
+ }
+
+ task->free_sub = 1;
+ }
+
+ return task;
+ }
+
+ static void fetch_task_release(struct fetch_task *p)
+ {
+ if (p->free_sub)
+ free((void*)p->sub);
+ p->free_sub = 0;
+ p->sub = NULL;
+
+ if (p->repo)
+ repo_clear(p->repo);
+ FREE_AND_NULL(p->repo);
+ }
+
+ static struct repository *get_submodule_repo_for(struct repository *r,
+ const struct submodule *sub)
+ {
+ struct repository *ret = xmalloc(sizeof(*ret));
+
+ if (repo_submodule_init(ret, r, sub)) {
+ /*
+ * No entry in .gitmodules? Technically not a submodule,
+ * but historically we supported repositories that happen to be
+ * in-place where a gitlink is. Keep supporting them.
+ */
+ struct strbuf gitdir = STRBUF_INIT;
+ strbuf_repo_worktree_path(&gitdir, r, "%s/.git", sub->path);
+ if (repo_init(ret, gitdir.buf, NULL)) {
+ strbuf_release(&gitdir);
+ free(ret);
+ return NULL;
+ }
+ strbuf_release(&gitdir);
+ }
+
+ return ret;
+ }
+
static int get_next_submodule(struct child_process *cp,
struct strbuf *err, void *data, void **task_cb)
{
- int ret = 0;
struct submodule_parallel_fetch *spf = data;
for (; spf->count < spf->r->index->cache_nr; spf->count++) {
- struct strbuf submodule_path = STRBUF_INIT;
- struct strbuf submodule_git_dir = STRBUF_INIT;
- struct strbuf submodule_prefix = STRBUF_INIT;
const struct cache_entry *ce = spf->r->index->cache[spf->count];
- const char *git_dir, *default_argv;
- const struct submodule *submodule;
- struct submodule default_submodule = SUBMODULE_INIT;
+ const char *default_argv;
+ struct fetch_task *task;
if (!S_ISGITLINK(ce->ce_mode))
continue;
- submodule = submodule_from_path(spf->r, &null_oid, ce->name);
- if (!submodule) {
- const char *name = default_name_or_path(ce->name);
- if (name) {
- default_submodule.path = default_submodule.name = name;
- submodule = &default_submodule;
- }
- }
+ task = fetch_task_create(spf->r, ce->name);
+ if (!task)
+ continue;
- switch (get_fetch_recurse_config(submodule, spf))
+ switch (get_fetch_recurse_config(task->sub, spf))
{
default:
case RECURSE_SUBMODULES_DEFAULT:
case RECURSE_SUBMODULES_ON_DEMAND:
- if (!submodule || !unsorted_string_list_lookup(&changed_submodule_names,
- submodule->name))
+ if (!task->sub ||
+ !string_list_lookup(
+ &spf->changed_submodule_names,
+ task->sub->name))
continue;
default_argv = "on-demand";
break;
continue;
}
- strbuf_repo_worktree_path(&submodule_path, spf->r, "%s", ce->name);
- strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf);
- strbuf_addf(&submodule_prefix, "%s%s/", spf->prefix, ce->name);
- git_dir = read_gitfile(submodule_git_dir.buf);
- if (!git_dir)
- git_dir = submodule_git_dir.buf;
- if (is_directory(git_dir)) {
+ task->repo = get_submodule_repo_for(spf->r, task->sub);
+ if (task->repo) {
+ struct strbuf submodule_prefix = STRBUF_INIT;
child_process_init(cp);
- cp->dir = strbuf_detach(&submodule_path, NULL);
- prepare_submodule_repo_env(&cp->env_array);
+ cp->dir = task->repo->gitdir;
+ prepare_submodule_repo_env_in_gitdir(&cp->env_array);
cp->git_cmd = 1;
if (!spf->quiet)
strbuf_addf(err, "Fetching submodule %s%s\n",
argv_array_pushv(&cp->args, spf->args.argv);
argv_array_push(&cp->args, default_argv);
argv_array_push(&cp->args, "--submodule-prefix");
+
+ strbuf_addf(&submodule_prefix, "%s%s/",
+ spf->prefix,
+ task->sub->path);
argv_array_push(&cp->args, submodule_prefix.buf);
- ret = 1;
- }
- strbuf_release(&submodule_path);
- strbuf_release(&submodule_git_dir);
- strbuf_release(&submodule_prefix);
- if (ret) {
+
spf->count++;
+ *task_cb = task;
+
+ strbuf_release(&submodule_prefix);
return 1;
+ } else {
+
+ fetch_task_release(task);
+ free(task);
+
+ /*
+ * An empty directory is normal,
+ * the submodule is not initialized
+ */
+ if (S_ISGITLINK(ce->ce_mode) &&
+ !is_empty_dir(ce->name)) {
+ spf->result = 1;
+ strbuf_addf(err,
+ _("Could not access submodule '%s'"),
+ ce->name);
+ }
}
}
+
+ if (spf->oid_fetch_tasks_nr) {
+ struct fetch_task *task =
+ spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr - 1];
+ struct strbuf submodule_prefix = STRBUF_INIT;
+ spf->oid_fetch_tasks_nr--;
+
+ strbuf_addf(&submodule_prefix, "%s%s/",
+ spf->prefix, task->sub->path);
+
+ child_process_init(cp);
+ prepare_submodule_repo_env_in_gitdir(&cp->env_array);
+ cp->git_cmd = 1;
+ cp->dir = task->repo->gitdir;
+
+ argv_array_init(&cp->args);
+ argv_array_pushv(&cp->args, spf->args.argv);
+ argv_array_push(&cp->args, "on-demand");
+ argv_array_push(&cp->args, "--submodule-prefix");
+ argv_array_push(&cp->args, submodule_prefix.buf);
+
+ /* NEEDSWORK: have get_default_remote from submodule--helper */
+ argv_array_push(&cp->args, "origin");
+ oid_array_for_each_unique(task->commits,
+ append_oid_to_argv, &cp->args);
+
+ *task_cb = task;
+ strbuf_release(&submodule_prefix);
+ return 1;
+ }
+
return 0;
}
void *cb, void *task_cb)
{
struct submodule_parallel_fetch *spf = cb;
+ struct fetch_task *task = task_cb;
spf->result = 1;
+ fetch_task_release(task);
return 0;
}
+ static int commit_missing_in_sub(const struct object_id *oid, void *data)
+ {
+ struct repository *subrepo = data;
+
+ enum object_type type = oid_object_info(subrepo, oid, NULL);
+
+ return type != OBJ_COMMIT;
+ }
+
static int fetch_finish(int retvalue, struct strbuf *err,
void *cb, void *task_cb)
{
struct submodule_parallel_fetch *spf = cb;
+ struct fetch_task *task = task_cb;
+
+ struct string_list_item *it;
+ struct oid_array *commits;
if (retvalue)
spf->result = 1;
+ if (!task || !task->sub)
+ BUG("callback cookie bogus");
+
+ /* Is this the second time we process this submodule? */
+ if (task->commits)
+ goto out;
+
+ it = string_list_lookup(&spf->changed_submodule_names, task->sub->name);
+ if (!it)
+ /* Could be an unchanged submodule, not contained in the list */
+ goto out;
+
+ commits = it->util;
+ oid_array_filter(commits,
+ commit_missing_in_sub,
+ task->repo);
+
+ /* Are there commits we want, but do not exist? */
+ if (commits->nr) {
+ task->commits = commits;
+ ALLOC_GROW(spf->oid_fetch_tasks,
+ spf->oid_fetch_tasks_nr + 1,
+ spf->oid_fetch_tasks_alloc);
+ spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr] = task;
+ spf->oid_fetch_tasks_nr++;
+ return 0;
+ }
+
+ out:
+ fetch_task_release(task);
+
return 0;
}
argv_array_push(&spf.args, "--recurse-submodules-default");
/* default value, "--submodule-prefix" and its value are added later */
- calculate_changed_submodule_paths(r);
+ calculate_changed_submodule_paths(r, &spf.changed_submodule_names);
+ string_list_sort(&spf.changed_submodule_names);
run_processes_parallel(max_parallel_jobs,
get_next_submodule,
fetch_start_failure,
argv_array_clear(&spf.args);
out:
- string_list_clear(&changed_submodule_names, 1);
+ free_submodules_oids(&spf.changed_submodule_names);
return spf.result;
}
return ret;
}
+void submodule_unset_core_worktree(const struct submodule *sub)
+{
+ char *config_path = xstrfmt("%s/modules/%s/config",
+ get_git_common_dir(), sub->name);
+
+ if (git_config_set_in_file_gently(config_path, "core.worktree", NULL))
+ warning(_("Could not unset core.worktree setting in submodule '%s'"),
+ sub->path);
+
+ free(config_path);
+}
+
static const char *get_super_prefix_or_empty(void)
{
const char *s = get_super_prefix();
if (is_empty_dir(path))
rmdir_or_warn(path);
+
+ submodule_unset_core_worktree(sub);
}
}
out:
git config fetch.recurseSubmodules true &&
(
cd downstream &&
+ GIT_TRACE=$(pwd)/trace.out git fetch &&
+ grep "1 tasks" trace.out &&
GIT_TRACE=$(pwd)/trace.out git fetch --jobs 7 &&
grep "7 tasks" trace.out &&
git config submodule.fetchJobs 8 &&
test_cmp expect actual
'
+ test_expect_success "fetch new submodule commits on-demand outside standard refspec" '
+ # add a second submodule and ensure it is around in downstream first
+ git clone submodule sub1 &&
+ git submodule add ./sub1 &&
+ git commit -m "adding a second submodule" &&
+ git -C downstream pull &&
+ git -C downstream submodule update --init --recursive &&
+
+ git checkout --detach &&
+
+ C=$(git -C submodule commit-tree -m "new change outside refs/heads" HEAD^{tree}) &&
+ git -C submodule update-ref refs/changes/1 $C &&
+ git update-index --cacheinfo 160000 $C submodule &&
+ test_tick &&
+
+ D=$(git -C sub1 commit-tree -m "new change outside refs/heads" HEAD^{tree}) &&
+ git -C sub1 update-ref refs/changes/2 $D &&
+ git update-index --cacheinfo 160000 $D sub1 &&
+
+ git commit -m "updated submodules outside of refs/heads" &&
+ E=$(git rev-parse HEAD) &&
+ git update-ref refs/changes/3 $E &&
+ (
+ cd downstream &&
+ git fetch --recurse-submodules origin refs/changes/3:refs/heads/my_branch &&
+ git -C submodule cat-file -t $C &&
+ git -C sub1 cat-file -t $D &&
+ git checkout --recurse-submodules FETCH_HEAD
+ )
+ '
+
+ test_expect_success 'fetch new submodule commit on-demand in FETCH_HEAD' '
+ # depends on the previous test for setup
+
+ C=$(git -C submodule commit-tree -m "another change outside refs/heads" HEAD^{tree}) &&
+ git -C submodule update-ref refs/changes/4 $C &&
+ git update-index --cacheinfo 160000 $C submodule &&
+ test_tick &&
+
+ D=$(git -C sub1 commit-tree -m "another change outside refs/heads" HEAD^{tree}) &&
+ git -C sub1 update-ref refs/changes/5 $D &&
+ git update-index --cacheinfo 160000 $D sub1 &&
+
+ git commit -m "updated submodules outside of refs/heads" &&
+ E=$(git rev-parse HEAD) &&
+ git update-ref refs/changes/6 $E &&
+ (
+ cd downstream &&
+ git fetch --recurse-submodules origin refs/changes/6 &&
+ git -C submodule cat-file -t $C &&
+ git -C sub1 cat-file -t $D &&
+ git checkout --recurse-submodules FETCH_HEAD
+ )
+ '
+
+ test_expect_success 'fetch new submodule commits on-demand without .gitmodules entry' '
+ # depends on the previous test for setup
+
+ git config -f .gitmodules --remove-section submodule.sub1 &&
+ git add .gitmodules &&
+ git commit -m "delete gitmodules file" &&
+ git checkout -B master &&
+ git -C downstream fetch &&
+ git -C downstream checkout origin/master &&
+
+ C=$(git -C submodule commit-tree -m "yet another change outside refs/heads" HEAD^{tree}) &&
+ git -C submodule update-ref refs/changes/7 $C &&
+ git update-index --cacheinfo 160000 $C submodule &&
+ test_tick &&
+
+ D=$(git -C sub1 commit-tree -m "yet another change outside refs/heads" HEAD^{tree}) &&
+ git -C sub1 update-ref refs/changes/8 $D &&
+ git update-index --cacheinfo 160000 $D sub1 &&
+
+ git commit -m "updated submodules outside of refs/heads" &&
+ E=$(git rev-parse HEAD) &&
+ git update-ref refs/changes/9 $E &&
+ (
+ cd downstream &&
+ git fetch --recurse-submodules origin refs/changes/9 &&
+ git -C submodule cat-file -t $C &&
+ git -C sub1 cat-file -t $D &&
+ git checkout --recurse-submodules FETCH_HEAD
+ )
+ '
+
+ test_expect_success 'fetch new submodule commit intermittently referenced by superproject' '
+ # depends on the previous test for setup
+
+ D=$(git -C sub1 commit-tree -m "change 10 outside refs/heads" HEAD^{tree}) &&
+ E=$(git -C sub1 commit-tree -m "change 11 outside refs/heads" HEAD^{tree}) &&
+ F=$(git -C sub1 commit-tree -m "change 12 outside refs/heads" HEAD^{tree}) &&
+
+ git -C sub1 update-ref refs/changes/10 $D &&
+ git update-index --cacheinfo 160000 $D sub1 &&
+ git commit -m "updated submodules outside of refs/heads" &&
+
+ git -C sub1 update-ref refs/changes/11 $E &&
+ git update-index --cacheinfo 160000 $E sub1 &&
+ git commit -m "updated submodules outside of refs/heads" &&
+
+ git -C sub1 update-ref refs/changes/12 $F &&
+ git update-index --cacheinfo 160000 $F sub1 &&
+ git commit -m "updated submodules outside of refs/heads" &&
+
+ G=$(git rev-parse HEAD) &&
+ git update-ref refs/changes/13 $G &&
+ (
+ cd downstream &&
+ git fetch --recurse-submodules origin refs/changes/13 &&
+
+ git -C sub1 cat-file -t $D &&
+ git -C sub1 cat-file -t $E &&
+ git -C sub1 cat-file -t $F
+ )
+ '
+
test_done