struct object_id *one, struct object_id *two,
unsigned dirty_submodule)
{
- const struct object_id *old = the_hash_algo->empty_tree, *new = the_hash_algo->empty_tree;
+ const struct object_id *old_oid = the_hash_algo->empty_tree, *new_oid = the_hash_algo->empty_tree;
struct commit *left = NULL, *right = NULL;
struct commit_list *merge_bases = NULL;
struct child_process cp = CHILD_PROCESS_INIT;
goto done;
if (left)
- old = one;
+ old_oid = one;
if (right)
- new = two;
+ new_oid = two;
cp.git_cmd = 1;
cp.dir = path;
argv_array_pushf(&cp.args, "--dst-prefix=%s%s/",
o->b_prefix, path);
}
- argv_array_push(&cp.args, oid_to_hex(old));
+ argv_array_push(&cp.args, oid_to_hex(old_oid));
/*
* If the submodule has modified content, we will diff against the
* work tree, under the assumption that the user has asked for the
* haven't yet been committed to the submodule yet.
*/
if (!(dirty_submodule & DIRTY_SUBMODULE_MODIFIED))
- argv_array_push(&cp.args, oid_to_hex(new));
+ argv_array_push(&cp.args, oid_to_hex(new_oid));
prepare_submodule_repo_env(&cp.env_array);
if (start_command(&cp))
return 0;
default:
die(_("submodule entry '%s' (%s) is a %s, not a commit"),
- cb->path, oid_to_hex(oid), typename(type));
+ cb->path, oid_to_hex(oid), type_name(type));
}
}
* pass NULL for old or new respectively.
*/
int submodule_move_head(const char *path,
- const char *old,
- const char *new,
+ const char *old_head,
+ const char *new_head,
unsigned flags)
{
int ret = 0;
else
error_code_ptr = NULL;
- if (old && !is_submodule_populated_gently(path, error_code_ptr))
+ if (old_head && !is_submodule_populated_gently(path, error_code_ptr))
return 0;
sub = submodule_from_path(&null_oid, path);
if (!sub)
die("BUG: could not get submodule information for '%s'", path);
- if (old && !(flags & SUBMODULE_MOVE_HEAD_FORCE)) {
+ if (old_head && !(flags & SUBMODULE_MOVE_HEAD_FORCE)) {
/* Check if the submodule has a dirty index. */
if (submodule_has_dirty_index(sub))
return error(_("submodule '%s' has dirty index"), path);
}
if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) {
- if (old) {
+ if (old_head) {
if (!submodule_uses_gitfile(path))
absorb_git_dir_into_superproject("", path,
ABSORB_GITDIR_RECURSE_SUBMODULES);
submodule_reset_index(path);
}
- if (old && (flags & SUBMODULE_MOVE_HEAD_FORCE)) {
+ if (old_head && (flags & SUBMODULE_MOVE_HEAD_FORCE)) {
char *gitdir = xstrfmt("%s/modules/%s",
get_git_common_dir(), sub->name);
connect_work_tree_and_git_dir(path, gitdir);
argv_array_push(&cp.args, "-m");
if (!(flags & SUBMODULE_MOVE_HEAD_FORCE))
- argv_array_push(&cp.args, old ? old : EMPTY_TREE_SHA1_HEX);
+ argv_array_push(&cp.args, old_head ? old_head : EMPTY_TREE_SHA1_HEX);
- argv_array_push(&cp.args, new ? new : EMPTY_TREE_SHA1_HEX);
+ argv_array_push(&cp.args, new_head ? new_head : EMPTY_TREE_SHA1_HEX);
if (run_command(&cp)) {
ret = -1;
}
if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) {
- if (new) {
+ if (new_head) {
child_process_init(&cp);
/* also set the HEAD accordingly */
cp.git_cmd = 1;
prepare_submodule_repo_env(&cp.env_array);
argv_array_pushl(&cp.args, "update-ref", "HEAD",
- "--no-deref", new, NULL);
+ "--no-deref", new_head, NULL);
if (run_command(&cp)) {
ret = -1;
return 0;
}
+int validate_submodule_git_dir(char *git_dir, const char *submodule_name)
+{
+ size_t len = strlen(git_dir), suffix_len = strlen(submodule_name);
+ char *p;
+ int ret = 0;
+
+ if (len <= suffix_len || (p = git_dir + len - suffix_len)[-1] != '/' ||
+ strcmp(p, submodule_name))
+ BUG("submodule name '%s' not a suffix of git dir '%s'",
+ submodule_name, git_dir);
+
+ /*
+ * We prevent the contents of sibling submodules' git directories to
+ * clash.
+ *
+ * Example: having a submodule named `hippo` and another one named
+ * `hippo/hooks` would result in the git directories
+ * `.git/modules/hippo/` and `.git/modules/hippo/hooks/`, respectively,
+ * but the latter directory is already designated to contain the hooks
+ * of the former.
+ */
+ for (; *p; p++) {
+ if (is_dir_sep(*p)) {
+ char c = *p;
+
+ *p = '\0';
+ if (is_git_directory(git_dir))
+ ret = -1;
+ *p = c;
+
+ if (ret < 0)
+ return error(_("submodule git dir '%s' is "
+ "inside git dir '%.*s'"),
+ git_dir,
+ (int)(p - git_dir), git_dir);
+ }
+ }
+
+ return 0;
+}
+
/*
* Embeds a single submodules git directory into the superprojects git dir,
* non recursively.
const char *path)
{
char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL;
- const char *new_git_dir;
+ char *new_git_dir;
const struct submodule *sub;
if (submodule_uses_worktrees(path))
if (!sub)
die(_("could not lookup name for submodule '%s'"), path);
- new_git_dir = git_path("modules/%s", sub->name);
+ new_git_dir = git_pathdup("modules/%s", sub->name);
+ if (validate_submodule_git_dir(new_git_dir, sub->name) < 0)
+ die(_("refusing to move '%s' into an existing git dir"),
+ real_old_git_dir);
if (safe_create_leading_directories_const(new_git_dir) < 0)
die(_("could not create directory '%s'"), new_git_dir);
real_new_git_dir = real_pathdup(new_git_dir, 1);
+ free(new_git_dir);
fprintf(stderr, _("Migrating git directory of '%s%s' from\n'%s' to\n'%s'\n"),
get_super_prefix_or_empty(), path,
projects / thirdparty / git.git / blobdiff