$ git clone -n https://src.fedoraproject.org/rpms/R-winch.git /var/lib/mock/f41-build-821796-152622/root/chroot_tmpdir/scmroot/R-winch
Cloning into '/var/lib/mock/f41-build-821796-152622/root/chroot_tmpdir/scmroot/R-winch'...
$ git fetch origin 3aa5d5155c612f48a693cef9a6d941818abfa712:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-winch
 * [new ref]         3aa5d5155c612f48a693cef9a6d941818abfa712 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aa5d51 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild