$ git clone -n https://src.fedoraproject.org/rpms/xmvn.git /var/lib/mock/f42-build-3428984-45391/root/chroot_tmpdir/scmroot/xmvn
Cloning into '/var/lib/mock/f42-build-3428984-45391/root/chroot_tmpdir/scmroot/xmvn'...
$ git fetch origin 89d23c59ff1e257e82f8a7828665c7355830791d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmvn
 * [new ref]         89d23c59ff1e257e82f8a7828665c7355830791d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89d23c5 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild