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[PATCH 14/20] cat-file: make populate_value global




Make function global for further using in cat-file.
Also added return value for handling errors.

Signed-off-by: Olga Telezhnaia <olyatelezhnaya@xxxxxxxxx>
Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored by: Jeff King <peff@xxxxxxxx>
---
 ref-filter.c | 4 ++--
 ref-filter.h | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/ref-filter.c b/ref-filter.c
index 56d2687e07df9..ed1b78943b8b4 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1456,7 +1456,7 @@ static void need_object(struct ref_array_item *ref) {
 /*
  * Parse the object referred by ref, and grab needed value.
  */
-static void populate_value(struct ref_array_item *ref)
+int populate_value(struct ref_array_item *ref)
 {
 	int i;
 
@@ -1577,7 +1577,7 @@ static void populate_value(struct ref_array_item *ref)
 			break;
 		}
 	}
-	return;
+	return 0;
 }
 
 /*
diff --git a/ref-filter.h b/ref-filter.h
index 28774e8e0f771..d541749f9b1dc 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -176,4 +176,7 @@ void setup_ref_filter_porcelain_msg(void);
 void pretty_print_ref(const char *name, const unsigned char *sha1,
 		      const struct ref_format *format);
 
+/* Fill the values of request and prepare all data for final string creation */
+int populate_value(struct ref_array_item *ref);
+
 #endif /*  REF_FILTER_H  */

--
https://github.com/git/git/pull/450