1 files changed, 13 insertions, 0 deletions
diff --git a/internal/testgit/repo_commit_graph_write.go b/internal/testgit/repo_commit_graph_write.go
new file mode 100644
index 00000000..13221f87
--- /dev/null
+++ b/internal/testgit/repo_commit_graph_write.go
@@ -0,0 +1,13 @@
+package testgit
+
+import "testing"
+
+// CommitGraphWrite runs "git commit-graph write" with args in the repository.
+func (testRepo *TestRepo) CommitGraphWrite(tb testing.TB, args ...string) {
+	tb.Helper()
+
+	cmdArgs := make([]string, 0, len(args)+3)
+	cmdArgs = append(cmdArgs, "commit-graph", "write")
+	cmdArgs = append(cmdArgs, args...)
+	_ = testRepo.Run(tb, cmdArgs...)
+}