#include "worktree.h"
#include "parse-options.h"
#include "object-store.h"
+#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;
return 0;
}
+/*
+ * Check if the .gitmodules file is safe to write.
+ *
+ * Writing to the .gitmodules file requires that the file exists in the
+ * working tree or, if it doesn't, that a brand new .gitmodules file is going
+ * to be created (i.e. it's neither in the index nor in the current branch).
+ *
+ * It is not safe to write to .gitmodules if it's not in the working tree but
+ * it is in the index or in the current branch, because writing new values
+ * (and staging them) would blindly overwrite ALL the old content.
+ */
+int is_writing_gitmodules_ok(void)
+{
+ struct object_id oid;
+ return file_exists(GITMODULES_FILE) ||
+ (get_oid(GITMODULES_INDEX, &oid) < 0 && get_oid(GITMODULES_HEAD, &oid) < 0);
+}
+
/*
* Check if the .gitmodules file has unstaged modifications. This must be
* checked before allowing modifications to the .gitmodules file with the
{
struct strbuf entry = STRBUF_INIT;
const struct submodule *submodule;
+ int ret;
if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
return -1;
strbuf_addstr(&entry, "submodule.");
strbuf_addstr(&entry, submodule->name);
strbuf_addstr(&entry, ".path");
- if (git_config_set_in_file_gently(GITMODULES_FILE, entry.buf, newpath) < 0) {
- /* Maybe the user already did that, don't error out here */
- warning(_("Could not update .gitmodules entry %s"), entry.buf);
- strbuf_release(&entry);
- return -1;
- }
+ ret = config_set_in_gitmodules_file_gently(entry.buf, newpath);
strbuf_release(&entry);
- return 0;
+ return ret;
}
/*
{
struct commit_list *list;
- init_revisions(rev, NULL);
+ repo_init_revisions(the_repository, rev, NULL);
setup_revisions(0, NULL, rev, NULL);
rev->left_right = 1;
rev->first_parent_only = 1;
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
fast_backward = 1;
}
- if (!oidcmp(one, two)) {
+ if (oideq(one, two)) {
strbuf_release(&sb);
return;
}
}
struct collect_changed_submodules_cb_data {
+ struct repository *repo;
struct string_list *changed;
const struct object_id *commit_oid;
};
if (!S_ISGITLINK(p->two->mode))
continue;
- submodule = submodule_from_path(the_repository,
+ submodule = submodule_from_path(me->repo,
commit_oid, p->two->path);
if (submodule)
name = submodule->name;
name = default_name_or_path(p->two->path);
/* make sure name does not collide with existing one */
if (name)
- submodule = submodule_from_name(the_repository,
+ submodule = submodule_from_name(me->repo,
commit_oid, name);
if (submodule) {
warning("Submodule in commit %s at path: "
* have a corresponding 'struct oid_array' (in the 'util' field) which lists
* what the submodule pointers were updated to during the change.
*/
-static void collect_changed_submodules(struct string_list *changed,
+static void collect_changed_submodules(struct repository *r,
+ struct string_list *changed,
struct argv_array *argv)
{
struct rev_info rev;
const struct commit *commit;
- init_revisions(&rev, NULL);
+ repo_init_revisions(r, &rev, NULL);
setup_revisions(argv->argc, argv->argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
while ((commit = get_revision(&rev))) {
struct rev_info diff_rev;
struct collect_changed_submodules_cb_data data;
+ data.repo = r;
data.changed = changed;
data.commit_oid = &commit->object.oid;
- init_revisions(&diff_rev, NULL);
+ repo_init_revisions(r, &diff_rev, NULL);
diff_rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
diff_rev.diffopt.format_callback = collect_changed_submodules_cb;
diff_rev.diffopt.format_callback_data = &data;
}
struct has_commit_data {
+ struct repository *repo;
int result;
const char *path;
};
{
struct has_commit_data *cb = data;
- enum object_type type = oid_object_info(the_repository, oid, NULL);
+ enum object_type type = oid_object_info(cb->repo, oid, NULL);
switch (type) {
case OBJ_COMMIT:
}
}
-static int submodule_has_commits(const char *path, struct oid_array *commits)
+static int submodule_has_commits(struct repository *r,
+ const char *path,
+ struct oid_array *commits)
{
- struct has_commit_data has_commit = { 1, path };
+ struct has_commit_data has_commit = { r, 1, path };
/*
* Perform a cheap, but incorrect check for the existence of 'commits'.
return has_commit.result;
}
-static int submodule_needs_pushing(const char *path, struct oid_array *commits)
+static int submodule_needs_pushing(struct repository *r,
+ const char *path,
+ struct oid_array *commits)
{
- if (!submodule_has_commits(path, commits))
+ if (!submodule_has_commits(r, path, commits))
/*
* NOTE: We do consider it safe to return "no" here. The
* correct answer would be "We do not know" instead of
return 0;
}
-int find_unpushed_submodules(struct oid_array *commits,
- const char *remotes_name, struct string_list *needs_pushing)
+int find_unpushed_submodules(struct repository *r,
+ struct oid_array *commits,
+ const char *remotes_name,
+ struct string_list *needs_pushing)
{
struct string_list submodules = STRING_LIST_INIT_DUP;
struct string_list_item *name;
argv_array_push(&argv, "--not");
argv_array_pushf(&argv, "--remotes=%s", remotes_name);
- collect_changed_submodules(&submodules, &argv);
+ collect_changed_submodules(r, &submodules, &argv);
for_each_string_list_item(name, &submodules) {
struct oid_array *commits = name->util;
const struct submodule *submodule;
const char *path = NULL;
- submodule = submodule_from_name(the_repository, &null_oid, name->string);
+ submodule = submodule_from_name(r, &null_oid, name->string);
if (submodule)
path = submodule->path;
else
if (!path)
continue;
- if (submodule_needs_pushing(path, commits))
+ if (submodule_needs_pushing(r, path, commits))
string_list_insert(needs_pushing, path);
}
die("process for submodule '%s' failed", path);
}
-int push_unpushed_submodules(struct oid_array *commits,
+int push_unpushed_submodules(struct repository *r,
+ struct oid_array *commits,
const struct remote *remote,
const struct refspec *rs,
const struct string_list *push_options,
int i, ret = 1;
struct string_list needs_pushing = STRING_LIST_INIT_DUP;
- if (!find_unpushed_submodules(commits, remote->name, &needs_pushing))
+ if (!find_unpushed_submodules(r, commits,
+ remote->name, &needs_pushing))
return 1;
/*
oid_array_append(&ref_tips_after_fetch, oid);
}
-static void calculate_changed_submodule_paths(void)
+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(the_repository, NULL, NULL))
+ if (!submodule_from_path(r, NULL, NULL))
return;
argv_array_push(&argv, "--"); /* argv[0] program name */
* Collect all submodules (whether checked out or not) for which new
* commits have been recorded upstream in "changed_submodule_names".
*/
- collect_changed_submodules(&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;
- submodule = submodule_from_name(the_repository, &null_oid, name->string);
+ submodule = submodule_from_name(r, &null_oid, name->string);
if (submodule)
path = submodule->path;
else
if (!path)
continue;
- if (!submodule_has_commits(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);
initialized_fetch_ref_tips = 0;
}
-int submodule_touches_in_range(struct object_id *excl_oid,
+int submodule_touches_in_range(struct repository *r,
+ struct object_id *excl_oid,
struct object_id *incl_oid)
{
struct string_list subs = STRING_LIST_INIT_DUP;
int ret;
/* No need to check if there are no submodules configured */
- if (!submodule_from_path(the_repository, NULL, NULL))
+ if (!submodule_from_path(r, NULL, NULL))
return 0;
argv_array_push(&args, "--"); /* args[0] program name */
argv_array_push(&args, oid_to_hex(excl_oid));
}
- collect_changed_submodules(&subs, &args);
+ collect_changed_submodules(r, &subs, &args);
ret = subs.nr;
argv_array_clear(&args);
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();
+ 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:
projects / thirdparty / git.git / blobdiff