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init-db: move writing repo version into a function

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When we perform a clone, we won't know the remote side's hash algorithm
until we've read the heads.  Consequently, we'll need to rewrite the
repository format version and hash algorithm once we know what the
remote side has.  Move the code that does this into its own function so
that we can call it from clone in the future.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2020-02-22 20:17:40 +00:00 committed by Junio C Hamano
parent 3c9331a129
commit efa7ae36c1
2 changed files with 25 additions and 18 deletions
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42
builtin/init-db.c
View file

@ -178,6 +178,29 @@ static int needs_work_tree_config(const char *git_dir, const char *work_tree)
return 1;
}
void initialize_repository_version(int hash_algo)
{
char repo_version_string[10];
int repo_version = GIT_REPO_VERSION;
#ifndef ENABLE_SHA256
if (hash_algo != GIT_HASH_SHA1)
die(_("The hash algorithm %s is not supported in this build."), hash_algos[hash_algo].name);
#endif
if (hash_algo != GIT_HASH_SHA1)
repo_version = GIT_REPO_VERSION_READ;
/* This forces creation of new config file */
xsnprintf(repo_version_string, sizeof(repo_version_string),
"%d", repo_version);
git_config_set("core.repositoryformatversion", repo_version_string);
if (hash_algo != GIT_HASH_SHA1)
git_config_set("extensions.objectformat",
hash_algos[hash_algo].name);
}
static int create_default_files(const char *template_path,
const char *original_git_dir,
const struct repository_format *fmt)
@ -185,12 +208,10 @@ static int create_default_files(const char *template_path,
struct stat st1;
struct strbuf buf = STRBUF_INIT;
char *path;
char repo_version_string[10];
char junk[2];
int reinit;
int filemode;
struct strbuf err = STRBUF_INIT;
int repo_version = GIT_REPO_VERSION;
/* Just look for `init.templatedir` */
init_db_template_dir = NULL; /* re-set in case it was set before */
@ -248,22 +269,7 @@ static int create_default_files(const char *template_path,
exit(1);
}
#ifndef ENABLE_SHA256
if (fmt->hash_algo != GIT_HASH_SHA1)
die(_("The hash algorithm %s is not supported in this build."), hash_algos[fmt->hash_algo].name);
#endif
if (fmt->hash_algo != GIT_HASH_SHA1)
repo_version = GIT_REPO_VERSION_READ;
/* This forces creation of new config file */
xsnprintf(repo_version_string, sizeof(repo_version_string),
"%d", repo_version);
git_config_set("core.repositoryformatversion", repo_version_string);
if (fmt->hash_algo != GIT_HASH_SHA1)
git_config_set("extensions.objectformat",
hash_algos[fmt->hash_algo].name);
initialize_repository_version(fmt->hash_algo);
/* Check filemode trustability */
path = git_path_buf(&buf, "config");

1
cache.h
View file

@ -629,6 +629,7 @@ int path_inside_repo(const char *prefix, const char *path);
int init_db(const char *git_dir, const char *real_git_dir,
const char *template_dir, int hash_algo,
unsigned int flags);
void initialize_repository_version(int hash_algo);
void sanitize_stdfds(void);
int daemonize(void);