[PATCH 08/14] push: defensive programming

["Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>]

From: Johannes Schindelin <johannes.schindelin@gmx.de>

CodeQL points out that `branch_get()` can return NULL values.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 builtin/push.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builtin/push.c b/builtin/push.c
index 92d530e5c4df..db698c103424 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -90,7 +90,7 @@ static void refspec_append_mapped(struct refspec *refspec, const char *ref,
 	if (push_default == PUSH_DEFAULT_UPSTREAM &&
 	    skip_prefix(matched->name, "refs/heads/", &branch_name)) {
 		struct branch *branch = branch_get(branch_name);
-		if (branch->merge_nr == 1 && branch->merge[0]->src) {
+		if (branch && branch->merge_nr == 1 && branch->merge[0]->src) {
 			refspec_appendf(refspec, "%s:%s",
 					ref, branch->merge[0]->src);
 			return;
-- 
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