$ git clone -n https://src.fedoraproject.org/rpms/pungi.git /var/lib/mock/f39-build-2292255-56110/root/chroot_tmpdir/scmroot/pungi
Cloning into '/var/lib/mock/f39-build-2292255-56110/root/chroot_tmpdir/scmroot/pungi'...
$ git fetch origin 6778cae05afb2b5784a46ed72ee2703785756dde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pungi
 * [new ref]         6778cae05afb2b5784a46ed72ee2703785756dde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6778cae Backport: Stop requiring repo option in ostree phase