2022-02-26 18:44:13 (UTC-03:00)

Marcel Rodrigues <marcelgmr@gmail.com>

return nil as parent of first commit

diff --git a/git.lua b/git.lua
index 8b14409..be31587 100644
--- a/git.lua
+++ b/git.lua
@@ -108,8 +108,12 @@ end
 function Commit:parent(n)
     n = n or 1
     local pcommit = ffi.new("git_commit *[1]")
-    C.git_commit_parent(pcommit, self.commit, n-1)
-    return get_commit(pcommit[0])
+    local ret = C.git_commit_parent(pcommit, self.commit, n-1)
+    if ret == 0 then
+        return get_commit(pcommit[0])
+    else
+        return nil
+    end
 end
 
 local Repo = {}