[PATCH v6 4/8] checkout.c]: change "unique" member to "num_matches"

[Ævar Arnfjörð Bjarmason]

Internally track how many matches we find in the check_tracking_name()
callback. Nothing uses this now, but it will be made use of in a later
change.

Signed-off-by: Ævar Arnfjörð Bjarmason <ava...@gmail.com>
---
 checkout.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/checkout.c b/checkout.c
index 80e430cda8..7662a39a62 100644
--- a/checkout.c
+++ b/checkout.c
@@ -7,10 +7,10 @@ struct tracking_name_data {
        /* const */ char *src_ref;
        char *dst_ref;
        struct object_id *dst_oid;
-       int unique;
+       int num_matches;
 };
 
-#define TRACKING_NAME_DATA_INIT { NULL, NULL, NULL, 1 }
+#define TRACKING_NAME_DATA_INIT { NULL, NULL, NULL, 0 }
 
 static int check_tracking_name(struct remote *remote, void *cb_data)
 {
@@ -23,9 +23,9 @@ static int check_tracking_name(struct remote *remote, void 
*cb_data)
                free(query.dst);
                return 0;
        }
+       cb->num_matches++;
        if (cb->dst_ref) {
                free(query.dst);
-               cb->unique = 0;
                return 0;
        }
        cb->dst_ref = query.dst;
@@ -39,7 +39,7 @@ const char *unique_tracking_name(const char *name, struct 
object_id *oid)
        cb_data.dst_oid = oid;
        for_each_remote(check_tracking_name, &cb_data);
        free(cb_data.src_ref);
-       if (cb_data.unique)
+       if (cb_data.num_matches == 1)
                return cb_data.dst_ref;
        free(cb_data.dst_ref);
        return NULL;
-- 
2.17.0.290.gded63e768a