$ git clone -n https://src.fedoraproject.org/rpms/xmvn.git /var/lib/mock/f40-build-2724163-73102/root/chroot_tmpdir/scmroot/xmvn
Cloning into '/var/lib/mock/f40-build-2724163-73102/root/chroot_tmpdir/scmroot/xmvn'...
$ git fetch origin b1a5200dc5e81a3764b525d8dee9bd3aa86f92d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmvn
 * [new ref]         b1a5200dc5e81a3764b525d8dee9bd3aa86f92d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1a5200 Suggest maven-openjdk21