[PATCH 1/6] Add GIT_REPO_VERSION, and repository_format_version

[Martin Atukunda <matlads@dsmagic.com>]

This variable will enable git to track the repository version. It's
currently set to 0. (in true C style :)

Signed-Off-By: Martin Atukunda <matlads@dsmagic.com>

---

 cache.h       |    4 ++++
 environment.c |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)

applies-to: 339319e60db7b3f96f8c711407b135a54da7aa2e
976b8d57a80d79853df9c142ba30d39b414e1b8e
diff --git a/cache.h b/cache.h
index c7c6637..54c283d 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_repo_format(void);
+
 #define MTIME_CHANGED	0x0001
 #define CTIME_CHANGED	0x0002
 #define OWNER_CHANGED	0x0004
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;
---
0.99.9.GIT