$ git clone -n https://src.fedoraproject.org/rpms/virt-v2v.git /var/lib/mock/f42-build-866116-173709/root/chroot_tmpdir/scmroot/virt-v2v
Cloning into '/var/lib/mock/f42-build-866116-173709/root/chroot_tmpdir/scmroot/virt-v2v'...
$ git fetch origin 0c56c2baacb52f2856745037a3215debf7227fb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-v2v
 * [new ref]         0c56c2baacb52f2856745037a3215debf7227fb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c56c2b OCaml 5.3.0 rebuild for Fedora 42