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submodule: allow runtime enabling extensions.submodulePathConfig

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Add a new config `init.defaultSubmodulePathConfig` which allows
enabling `extensions.submodulePathConfig` for new submodules by
default (those created via git init or clone).

Important: setting init.defaultSubmodulePathConfig = true does
not globally enable `extensions.submodulePathConfig`. Existing
repositories will still have the extension disabled and will
require migration (for example via git submodule--helper command
added in the next commit).

Suggested-by: Patrick Steinhardt <ps@pks.im>
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Adrian Ratiu
2026-01-12 20:46:26 +02:00
committed by Junio C Hamano
parent 4173df5187
commit c349bad729
4 changed files with 142 additions and 0 deletions
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10
setup.c
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@@ -2228,6 +2228,7 @@ void initialize_repository_version(int hash_algo,
{
struct strbuf repo_version = STRBUF_INIT;
int target_version = GIT_REPO_VERSION;
int default_submodule_path_config = 0;
/*
* Note that we initialize the repository version to 1 when the ref
@@ -2266,6 +2267,15 @@ void initialize_repository_version(int hash_algo,
clear_repository_format(&repo_fmt);
}
repo_config_get_bool(the_repository, "init.defaultSubmodulePathConfig",
&default_submodule_path_config);
if (default_submodule_path_config) {
/* extensions.submodulepathconfig requires at least version 1 */
if (target_version == 0)
target_version = 1;
repo_config_set(the_repository, "extensions.submodulepathconfig", "true");
}
strbuf_addf(&repo_version, "%d", target_version);
repo_config_set(the_repository, "core.repositoryformatversion", repo_version.buf);