関連ワード:  git submodule point to a specific commit    git submodule update to a specific commit    git submodule update to specific commit hash    git update submodule to a specific tag    git submodule update remote specific commit    git submodule point to commit    git submodule update to a commit    git submodule update to specific revision    change git submodule commit  
結果 : git submodule point to a specific commit