diff options
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 66 |
1 files changed, 60 insertions, 6 deletions
@@ -592,6 +592,17 @@ static enum extension_result handle_extension(const char *var, "extensions.objectformat", value); data->hash_algo = format; return EXTENSION_OK; + } else if (!strcmp(ext, "refstorage")) { + unsigned int format; + + if (!value) + return config_error_nonbool(var); + format = ref_storage_format_by_name(value); + if (format == REF_STORAGE_FORMAT_UNKNOWN) + return error(_("invalid value for '%s': '%s'"), + "extensions.refstorage", value); + data->ref_storage_format = format; + return EXTENSION_OK; } return EXTENSION_UNKNOWN; } @@ -1566,6 +1577,8 @@ const char *setup_git_directory_gently(int *nongit_ok) } if (startup_info->have_repository) { repo_set_hash_algo(the_repository, repo_fmt.hash_algo); + repo_set_ref_storage_format(the_repository, + repo_fmt.ref_storage_format); the_repository->repository_format_worktree_config = repo_fmt.worktree_config; /* take ownership of repo_fmt.partial_clone */ @@ -1659,6 +1672,8 @@ void check_repository_format(struct repository_format *fmt) check_repository_format_gently(get_git_dir(), fmt, NULL); startup_info->have_repository = 1; repo_set_hash_algo(the_repository, fmt->hash_algo); + repo_set_ref_storage_format(the_repository, + fmt->ref_storage_format); the_repository->repository_format_worktree_config = fmt->worktree_config; the_repository->repository_format_partial_clone = @@ -1867,12 +1882,15 @@ static int needs_work_tree_config(const char *git_dir, const char *work_tree) return 1; } -void initialize_repository_version(int hash_algo, int reinit) +void initialize_repository_version(int hash_algo, + unsigned int ref_storage_format, + int reinit) { char repo_version_string[10]; int repo_version = GIT_REPO_VERSION; - if (hash_algo != GIT_HASH_SHA1) + if (hash_algo != GIT_HASH_SHA1 || + ref_storage_format != REF_STORAGE_FORMAT_FILES) repo_version = GIT_REPO_VERSION_READ; /* This forces creation of new config file */ @@ -1885,6 +1903,10 @@ void initialize_repository_version(int hash_algo, int reinit) hash_algos[hash_algo].name); else if (reinit) git_config_set_gently("extensions.objectformat", NULL); + + if (ref_storage_format != REF_STORAGE_FORMAT_FILES) + git_config_set("extensions.refstorage", + ref_storage_format_to_name(ref_storage_format)); } static int is_reinit(void) @@ -1899,7 +1921,8 @@ static int is_reinit(void) return ret; } -void create_reference_database(const char *initial_branch, int quiet) +void create_reference_database(unsigned int ref_storage_format, + const char *initial_branch, int quiet) { struct strbuf err = STRBUF_INIT; int reinit = is_reinit(); @@ -1919,6 +1942,7 @@ void create_reference_database(const char *initial_branch, int quiet) safe_create_dir(git_path("refs"), 1); adjust_shared_perm(git_path("refs")); + repo_set_ref_storage_format(the_repository, ref_storage_format); if (refs_init_db(&err)) die("failed to set up refs db: %s", err.buf); @@ -2024,7 +2048,7 @@ static int create_default_files(const char *template_path, adjust_shared_perm(get_git_dir()); } - initialize_repository_version(fmt->hash_algo, 0); + initialize_repository_version(fmt->hash_algo, fmt->ref_storage_format, 0); /* Check filemode trustability */ path = git_path_buf(&buf, "config"); @@ -2137,8 +2161,29 @@ static void validate_hash_algorithm(struct repository_format *repo_fmt, int hash } } +static void validate_ref_storage_format(struct repository_format *repo_fmt, + unsigned int format) +{ + const char *name = getenv("GIT_DEFAULT_REF_FORMAT"); + + if (repo_fmt->version >= 0 && + format != REF_STORAGE_FORMAT_UNKNOWN && + format != repo_fmt->ref_storage_format) { + die(_("attempt to reinitialize repository with different reference storage format")); + } else if (format != REF_STORAGE_FORMAT_UNKNOWN) { + repo_fmt->ref_storage_format = format; + } else if (name) { + format = ref_storage_format_by_name(name); + if (format == REF_STORAGE_FORMAT_UNKNOWN) + die(_("unknown ref storage format '%s'"), name); + repo_fmt->ref_storage_format = format; + } +} + int init_db(const char *git_dir, const char *real_git_dir, - const char *template_dir, int hash, const char *initial_branch, + const char *template_dir, int hash, + unsigned int ref_storage_format, + const char *initial_branch, int init_shared_repository, unsigned int flags) { int reinit; @@ -2181,13 +2226,22 @@ int init_db(const char *git_dir, const char *real_git_dir, check_repository_format(&repo_fmt); validate_hash_algorithm(&repo_fmt, hash); + validate_ref_storage_format(&repo_fmt, ref_storage_format); reinit = create_default_files(template_dir, original_git_dir, &repo_fmt, prev_bare_repository, init_shared_repository); + /* + * Now that we have set up both the hash algorithm and the ref storage + * format we can update the repository's settings accordingly. + */ + repo_set_hash_algo(the_repository, repo_fmt.hash_algo); + repo_set_ref_storage_format(the_repository, repo_fmt.ref_storage_format); + if (!(flags & INIT_DB_SKIP_REFDB)) - create_reference_database(initial_branch, flags & INIT_DB_QUIET); + create_reference_database(repo_fmt.ref_storage_format, + initial_branch, flags & INIT_DB_QUIET); create_object_directory(); if (get_shared_repository()) { |