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-rw-r--r--builtin/checkout.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 9b82119129..c9ba23c279 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -480,9 +480,11 @@ static int checkout_paths(const struct checkout_opts *opts,
* with the hex of the commit (whether it's in `...` form or
* not) for the run_add_interactive() machinery to work
* properly. However, there is special logic for the HEAD case
- * so we mustn't replace that.
+ * so we mustn't replace that. Also, when we were given a
+ * tree-object, new_branch_info->commit would be NULL, but we
+ * do not have to do any replacement, either.
*/
- if (rev && strcmp(rev, "HEAD"))
+ if (rev && new_branch_info->commit && strcmp(rev, "HEAD"))
rev = oid_to_hex_r(rev_oid, &new_branch_info->commit->object.oid);
if (opts->checkout_index && opts->checkout_worktree)