#include "string-list.h"
#include "chdir-notify.h"
#include "path.h"
-#include "promisor-remote.h"
#include "quote.h"
#include "trace2.h"
#include "worktree.h"
data->precious_objects = git_config_bool(var, value);
return EXTENSION_OK;
} else if (!strcmp(ext, "partialclone")) {
+ if (!value)
+ return config_error_nonbool(var);
data->partial_clone = xstrdup(value);
return EXTENSION_OK;
} else if (!strcmp(ext, "worktreeconfig")) {
}
data->compat_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;
}
struct strbuf err = STRBUF_INIT;
struct strbuf repo_version = STRBUF_INIT;
struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT;
+ int ret;
strbuf_git_common_path(&sb, the_repository, "config");
read_repository_format(&repo_fmt, sb.buf);
strbuf_release(&sb);
- if (repo_fmt.version >= target_version)
- return 0;
+ if (repo_fmt.version >= target_version) {
+ ret = 0;
+ goto out;
+ }
if (verify_repository_format(&repo_fmt, &err) < 0) {
- error("cannot upgrade repository format from %d to %d: %s",
- repo_fmt.version, target_version, err.buf);
- strbuf_release(&err);
- return -1;
+ ret = error("cannot upgrade repository format from %d to %d: %s",
+ repo_fmt.version, target_version, err.buf);
+ goto out;
+ }
+ if (!repo_fmt.version && repo_fmt.unknown_extensions.nr) {
+ ret = error("cannot upgrade repository format: "
+ "unknown extension %s",
+ repo_fmt.unknown_extensions.items[0].string);
+ goto out;
}
- if (!repo_fmt.version && repo_fmt.unknown_extensions.nr)
- return error("cannot upgrade repository format: "
- "unknown extension %s",
- repo_fmt.unknown_extensions.items[0].string);
strbuf_addf(&repo_version, "%d", target_version);
git_config_set("core.repositoryformatversion", repo_version.buf);
+
+ ret = 1;
+
+out:
+ clear_repository_format(&repo_fmt);
strbuf_release(&repo_version);
- return 1;
+ strbuf_release(&err);
+ return ret;
}
static void init_repository_format(struct repository_format *format)
return NULL;
}
-enum discovery_result {
- GIT_DIR_NONE = 0,
- GIT_DIR_EXPLICIT,
- GIT_DIR_DISCOVERED,
- GIT_DIR_BARE,
- /* these are errors */
- GIT_DIR_HIT_CEILING = -1,
- GIT_DIR_HIT_MOUNT_POINT = -2,
- GIT_DIR_INVALID_GITFILE = -3,
- GIT_DIR_INVALID_OWNERSHIP = -4,
- GIT_DIR_DISALLOWED_BARE = -5,
-};
+static int is_implicit_bare_repo(const char *path)
+{
+ /*
+ * what we found is a ".git" directory at the root of
+ * the working tree.
+ */
+ if (ends_with_path_components(path, ".git"))
+ return 1;
+
+ /*
+ * we are inside $GIT_DIR of a secondary worktree of a
+ * non-bare repository.
+ */
+ if (strstr(path, "/.git/worktrees/"))
+ return 1;
+
+ /*
+ * we are inside $GIT_DIR of a worktree of a non-embedded
+ * submodule, whose superproject is not a bare repository.
+ */
+ if (strstr(path, "/.git/modules/"))
+ return 1;
+
+ return 0;
+}
/*
* We cannot decide in this function whether we are in the work tree or
if (is_git_directory(dir->buf)) {
trace2_data_string("setup", NULL, "implicit-bare-repository", dir->buf);
- if (get_allowed_bare_repo() == ALLOWED_BARE_REPO_EXPLICIT)
+ if (get_allowed_bare_repo() == ALLOWED_BARE_REPO_EXPLICIT &&
+ !is_implicit_bare_repo(dir->buf))
return GIT_DIR_DISALLOWED_BARE;
if (!ensure_valid_ownership(NULL, NULL, dir->buf, report))
return GIT_DIR_INVALID_OWNERSHIP;
}
}
-int discover_git_directory(struct strbuf *commondir,
- struct strbuf *gitdir)
+enum discovery_result discover_git_directory_reason(struct strbuf *commondir,
+ struct strbuf *gitdir)
{
struct strbuf dir = STRBUF_INIT, err = STRBUF_INIT;
size_t gitdir_offset = gitdir->len, cwd_len;
size_t commondir_offset = commondir->len;
struct repository_format candidate = REPOSITORY_FORMAT_INIT;
+ enum discovery_result result;
if (strbuf_getcwd(&dir))
- return -1;
+ return GIT_DIR_CWD_FAILURE;
cwd_len = dir.len;
- if (setup_git_directory_gently_1(&dir, gitdir, NULL, 0) <= 0) {
+ result = setup_git_directory_gently_1(&dir, gitdir, NULL, 0);
+ if (result <= 0) {
strbuf_release(&dir);
- return -1;
+ return result;
}
/*
strbuf_setlen(commondir, commondir_offset);
strbuf_setlen(gitdir, gitdir_offset);
clear_repository_format(&candidate);
- return -1;
+ return GIT_DIR_INVALID_FORMAT;
}
clear_repository_format(&candidate);
- return 0;
+ return result;
}
const char *setup_git_directory_gently(int *nongit_ok)
}
*nongit_ok = 1;
break;
- case GIT_DIR_NONE:
+ case GIT_DIR_CWD_FAILURE:
+ case GIT_DIR_INVALID_FORMAT:
/*
* As a safeguard against setup_git_directory_gently_1 returning
- * this value, fallthrough to BUG. Otherwise it is possible to
+ * these values, fallthrough to BUG. Otherwise it is possible to
* set startup_info->have_repository to 1 when we did nothing to
* find a repository.
*/
repo_set_hash_algo(the_repository, repo_fmt.hash_algo);
repo_set_compat_hash_algo(the_repository,
repo_fmt.compat_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 */
startup_info->have_repository = 1;
repo_set_hash_algo(the_repository, fmt->hash_algo);
repo_set_compat_hash_algo(the_repository, fmt->compat_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 =
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)
+ /*
+ * Note that we initialize the repository version to 1 when the ref
+ * storage format is unknown. This is on purpose so that we can add the
+ * correct object format to the config during git-clone(1). The format
+ * version will get adjusted by git-clone(1) once it has learned about
+ * the remote repository's format.
+ */
+ 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 */
"%d", repo_version);
git_config_set("core.repositoryformatversion", repo_version_string);
- if (hash_algo != GIT_HASH_SHA1)
+ if (hash_algo != GIT_HASH_SHA1 && hash_algo != GIT_HASH_UNKNOWN)
git_config_set("extensions.objectformat",
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)
+{
+ struct strbuf buf = STRBUF_INIT;
+ char junk[2];
+ int ret;
+
+ git_path_buf(&buf, "HEAD");
+ ret = !access(buf.buf, R_OK) || readlink(buf.buf, junk, sizeof(junk) - 1) != -1;
+ strbuf_release(&buf);
+ return ret;
+}
+
+void create_reference_database(unsigned int ref_storage_format,
+ const char *initial_branch, int quiet)
+{
+ struct strbuf err = STRBUF_INIT;
+ int reinit = is_reinit();
+
+ repo_set_ref_storage_format(the_repository, ref_storage_format);
+ if (refs_init_db(get_main_ref_store(the_repository), 0, &err))
+ die("failed to set up refs db: %s", err.buf);
+
+ /*
+ * Point the HEAD symref to the initial branch with if HEAD does
+ * not yet exist.
+ */
+ if (!reinit) {
+ char *ref;
+
+ if (!initial_branch)
+ initial_branch = git_default_branch_name(quiet);
+
+ ref = xstrfmt("refs/heads/%s", initial_branch);
+ if (check_refname_format(ref, 0) < 0)
+ die(_("invalid initial branch name: '%s'"),
+ initial_branch);
+
+ if (create_symref("HEAD", ref, NULL) < 0)
+ exit(1);
+ free(ref);
+ }
+
+ if (reinit && initial_branch)
+ warning(_("re-init: ignored --initial-branch=%s"),
+ initial_branch);
+
+ strbuf_release(&err);
}
static int create_default_files(const char *template_path,
const char *original_git_dir,
- const char *initial_branch,
const struct repository_format *fmt,
- int prev_bare_repository,
- int init_shared_repository,
- int quiet)
+ int init_shared_repository)
{
struct stat st1;
struct strbuf buf = STRBUF_INIT;
char *path;
- char junk[2];
int reinit;
int filemode;
- struct strbuf err = STRBUF_INIT;
const char *init_template_dir = NULL;
const char *work_tree = get_git_work_tree();
reset_shared_repository();
git_config(git_default_config, NULL);
+ reinit = is_reinit();
+
/*
* We must make sure command-line options continue to override any
* values we might have just re-read from the config.
*/
if (init_shared_repository != -1)
set_shared_repository(init_shared_repository);
- /*
- * TODO: heed core.bare from config file in templates if no
- * command-line override given
- */
- is_bare_repository_cfg = prev_bare_repository || !work_tree;
- /* TODO (continued):
- *
- * Unfortunately, the line above is equivalent to
- * is_bare_repository_cfg = !work_tree;
- * which ignores the config entirely even if no `--[no-]bare`
- * command line option was present.
- *
- * To see why, note that before this function, there was this call:
- * prev_bare_repository = is_bare_repository()
- * expanding the right hand side:
- * = is_bare_repository_cfg && !get_git_work_tree()
- * = is_bare_repository_cfg && !work_tree
- * note that the last simplification above is valid because nothing
- * calls repo_init() or set_git_work_tree() between any of the
- * relevant calls in the code, and thus the !get_git_work_tree()
- * calls will return the same result each time. So, what we are
- * interested in computing is the right hand side of the line of
- * code just above this comment:
- * prev_bare_repository || !work_tree
- * = is_bare_repository_cfg && !work_tree || !work_tree
- * = !work_tree
- * because "A && !B || !B == !B" for all boolean values of A & B.
- */
+
+ is_bare_repository_cfg = !work_tree;
/*
* We would have created the above under user's umask -- under
adjust_shared_perm(get_git_dir());
}
- /*
- * We need to create a "refs" dir in any case so that older
- * versions of git can tell that this is a repository.
- */
- safe_create_dir(git_path("refs"), 1);
- adjust_shared_perm(git_path("refs"));
-
- if (refs_init_db(&err))
- die("failed to set up refs db: %s", err.buf);
-
- /*
- * Point the HEAD symref to the initial branch with if HEAD does
- * not yet exist.
- */
- path = git_path_buf(&buf, "HEAD");
- reinit = (!access(path, R_OK)
- || readlink(path, junk, sizeof(junk)-1) != -1);
- if (!reinit) {
- char *ref;
-
- if (!initial_branch)
- initial_branch = git_default_branch_name(quiet);
-
- ref = xstrfmt("refs/heads/%s", initial_branch);
- if (check_refname_format(ref, 0) < 0)
- die(_("invalid initial branch name: '%s'"),
- initial_branch);
-
- if (create_symref("HEAD", ref, NULL) < 0)
- exit(1);
- free(ref);
- }
-
- 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");
}
}
+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;
int exist_ok = flags & INIT_DB_EXIST_OK;
char *original_git_dir = real_pathdup(git_dir, 1);
struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT;
- int prev_bare_repository;
if (real_git_dir) {
struct stat st;
safe_create_dir(git_dir, 0);
- prev_bare_repository = is_bare_repository();
/* Check to see if the repository version is right.
* Note that a newly created repository does not have
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,
- initial_branch, &repo_fmt,
- prev_bare_repository,
- init_shared_repository,
- flags & INIT_DB_QUIET);
- if (reinit && initial_branch)
- warning(_("re-init: ignored --initial-branch=%s"),
- initial_branch);
+ &repo_fmt, 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(repo_fmt.ref_storage_format,
+ initial_branch, flags & INIT_DB_QUIET);
create_object_directory();
if (get_shared_repository()) {
git_dir, len && git_dir[len-1] != '/' ? "/" : "");
}
+ clear_repository_format(&repo_fmt);
free(original_git_dir);
return 0;
}
projects / thirdparty / git.git / blobdiff