[PATCH v4 03/22] config: add git_config_get_split_index()

[Christian Couder <christian.couder@gmail.com>]

This new function will be used in a following commit to know
if we want to use the split index feature or not.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 cache.h  |  1 +
 config.c | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/cache.h b/cache.h
index 61fc86e6d7..014aa7ea11 100644
--- a/cache.h
+++ b/cache.h
@@ -1882,6 +1882,7 @@ extern int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest);
 extern int git_config_get_maybe_bool(const char *key, int *dest);
 extern int git_config_get_pathname(const char *key, const char **dest);
 extern int git_config_get_untracked_cache(void);
+extern int git_config_get_split_index(void);
 
 /*
  * This is a hack for test programs like test-dump-untracked-cache to
diff --git a/config.c b/config.c
index 2ac1aa19b0..2a97696be7 100644
--- a/config.c
+++ b/config.c
@@ -1736,6 +1736,16 @@ int git_config_get_untracked_cache(void)
 	return -1; /* default value */
 }
 
+int git_config_get_split_index(void)
+{
+	int val;
+
+	if (!git_config_get_maybe_bool("core.splitindex", &val))
+		return val;
+
+	return -1; /* default value */
+}
+
 NORETURN
 void git_die_config_linenr(const char *key, const char *filename, int linenr)
 {
-- 
2.12.0.22.g0672473d40