[PATCH 03/40] external-odb: add has_external_odb()

[Christian Couder]

This function will be used to check if the external odb
mechanism is actually used.

Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
 external-odb.c | 7 +++++++
 external-odb.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/external-odb.c b/external-odb.c
index 390958dbfe..d26e63d8b1 100644
--- a/external-odb.c
+++ b/external-odb.c
@@ -50,6 +50,13 @@ static void external_odb_init(void)
        git_config(external_odb_config, NULL);
 }
 
+int has_external_odb(void)
+{
+       external_odb_init();
+
+       return !!helpers;
+}
+
 const char *external_odb_root(void)
 {
        static const char *root;
diff --git a/external-odb.h b/external-odb.h
index ae2b228792..9a3c2f01b3 100644
--- a/external-odb.h
+++ b/external-odb.h
@@ -1,6 +1,7 @@
 #ifndef EXTERNAL_ODB_H
 #define EXTERNAL_ODB_H
 
+extern int has_external_odb(void);
 extern const char *external_odb_root(void);
 extern int external_odb_has_object(const unsigned char *sha1);
 
-- 
2.16.0.rc0.16.g82191dbc6c.dirty