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[PATCH 08/14] push: defensive programming

From
Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>
Date
May 15, 2025, 12:45 UTC
Message-ID
<8d1efe06d9ee7a00e8408e37deea88c469f835ea.1747313140.git.gitgitgadget@gmail.com>
In-Reply-To
<pull.1890.git.1747313139.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;
-- 
gitgitgadget
Previous: Johannes Schindelin via GitGitGadgetNext: Johannes Schindelin via GitGitGadget
Message 13 of 19 in “Some defensive programming”
  1. 00/14 Some defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  2. 01/14 revision: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  3. Junio C HamanoMay 15, 2025
  4. 02/14 get_parent(): defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  5. Junio C HamanoMay 15, 2025
  6. Jeff KingMay 15, 2025
  7. 03/14 fetch-pack: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  8. Junio C HamanoMay 15, 2025
  9. 04/14 unparse_commit(): defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  10. 05/14 verify_commit_graph(): defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  11. 06/14 stash: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  12. 07/14 stash: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  13. 08/14 push: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  14. 09/14 fetch: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  15. 10/14 describe: defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  16. 11/14 inherit_tracking(): defensive programmingJohannes Schindelin via GitGitGadget, May 15, 2025
  17. 12/14 submodule: check return value of `submodule_from_path()`Johannes Schindelin via GitGitGadget, May 15, 2025
  18. 13/14 test-tool repository: check return value of `lookup_commit()`Johannes Schindelin via GitGitGadget, May 15, 2025
  19. 14/14 shallow: handle missing shallow commits gracefullyJohannes Schindelin via GitGitGadget, May 15, 2025

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