[PATCH v2 08/36] external-odb: add external_odb_reinit()

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

As we will need to reinitialize the list of odb helpers
from the config file, let's add external_odb_reinit() for
that purpose.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 external-odb.c | 14 ++++++++++++--
 external-odb.h |  1 +
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/external-odb.c b/external-odb.c
index 9c77180d6c..82ac80aa04 100644
--- a/external-odb.c
+++ b/external-odb.c
@@ -39,17 +39,27 @@ static int external_odb_config(const char *var, const char *value, void *data)
 	return 0;
 }
 
-static void external_odb_init(void)
+static void external_odb_do_init(int force)
 {
 	static int initialized;
 
-	if (initialized || !use_external_odb)
+	if ((!force && initialized) || !use_external_odb)
 		return;
 	initialized = 1;
 
 	git_config(external_odb_config, NULL);
 }
 
+static inline void external_odb_init(void)
+{
+	external_odb_do_init(0);
+}
+
+inline void external_odb_reinit(void)
+{
+	external_odb_do_init(1);
+}
+
 int has_external_odb(void)
 {
 	external_odb_init();
diff --git a/external-odb.h b/external-odb.h
index 27c3d39c1b..254070994a 100644
--- a/external-odb.h
+++ b/external-odb.h
@@ -9,6 +9,7 @@ enum odb_helper_type {
 	OBJ_HELPER_MAX
 };
 
+extern void external_odb_reinit(void);
 extern int has_external_odb(void);
 extern struct odb_helper *find_odb_helper(const char *dealer,
 					  enum odb_helper_type type);
-- 
2.17.0.rc0.37.g8f476fabe9