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-rw-r--r--cache.h5
-rw-r--r--environment.c1
-rw-r--r--setup.c16
3 files changed, 22 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 6ac94c5..de53f41 100644
--- a/cache.h
+++ b/cache.h
@@ -182,6 +182,10 @@ extern int trust_executable_bit;
extern int only_use_symrefs;
extern int diff_rename_limit_default;
+#define GIT_REPO_VERSION 0
+extern int repository_format_version;
+extern int check_repository_format(void);
+
#define MTIME_CHANGED 0x0001
#define CTIME_CHANGED 0x0002
#define OWNER_CHANGED 0x0004
@@ -388,6 +392,7 @@ extern int git_config_int(const char *, const char *);
extern int git_config_bool(const char *, const char *);
extern int git_config_set(const char *, const char *);
extern int git_config_set_multivar(const char *, const char *, const char *, int);
+extern int check_repository_format_version(const char *var, const char *value);
#define MAX_GITNAME (1000)
extern char git_default_email[MAX_GITNAME];
diff --git a/environment.c b/environment.c
index b5026f1..3f19473 100644
--- a/environment.c
+++ b/environment.c
@@ -13,6 +13,7 @@ char git_default_email[MAX_GITNAME];
char git_default_name[MAX_GITNAME];
int trust_executable_bit = 1;
int only_use_symrefs = 0;
+int repository_format_version = 0;
static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
*git_graft_file;
diff --git a/setup.c b/setup.c
index ab3c778..0e2e3c8 100644
--- a/setup.c
+++ b/setup.c
@@ -154,6 +154,22 @@ static const char *setup_git_directory_1(void)
return cwd + offset;
}
+int check_repository_format_version(const char *var, const char *value)
+{
+ if (strcmp(var, "core.repositoryformatversion") == 0)
+ repository_format_version = git_config_int(var, value);
+ return 0;
+}
+
+int check_repository_format(void)
+{
+ git_config(check_repository_format_version);
+ if (GIT_REPO_VERSION < repository_format_version)
+ die ("Expected git repo version <= %d, found %d",
+ GIT_REPO_VERSION, repository_format_version);
+ return 0;
+}
+
const char *setup_git_directory(void)
{
const char *retval = setup_git_directory_1();