$ git clone -n https://src.fedoraproject.org/rpms/python-vine.git /var/lib/mock/f45-build-33590-671/root/chroot_tmpdir/scmroot/python-vine
Cloning into '/var/lib/mock/f45-build-33590-671/root/chroot_tmpdir/scmroot/python-vine'...
$ git fetch origin 45730e74a67fa5e802cb1b20c9b497b1753018e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-vine
 * [new ref]         45730e74a67fa5e802cb1b20c9b497b1753018e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45730e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild