$ git clone -n https://src.fedoraproject.org/rpms/virtme-ng.git /var/lib/mock/f42-build-side-1-3533417-46361/root/chroot_tmpdir/scmroot/virtme-ng
Cloning into '/var/lib/mock/f42-build-side-1-3533417-46361/root/chroot_tmpdir/scmroot/virtme-ng'...
$ git fetch origin 86c3c90ee7817d1c309d812af71ebba00c9a9d2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virtme-ng
 * [new ref]         86c3c90ee7817d1c309d812af71ebba00c9a9d2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86c3c90 Update to version 1.36 (fedora#2365576)