It can be puzzling to see that was_tracked() tries to match an index
entry by name even if cache_name_pos() returned a negative value. Let's
clarify that cache_name_pos() implicitly looks for stage 0, while we are
also okay with finding other stages.

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 merge-recursive.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/merge-recursive.c b/merge-recursive.c
index 98f4632..bcb53f0 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -658,6 +658,7 @@ static int was_tracked(const char *path)
 {
        int pos = cache_name_pos(path, strlen(path));
 
+       /* cache_name_pos() looks for stage == 0, so pos may be < 0 */
        if (pos < 0)
                pos = -1 - pos;
        while (pos < active_nr &&
-- 
2.9.0.268.gcabc8b0


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