$ git clone -n https://src.fedoraproject.org/rpms/python-gnupg.git /var/lib/mock/f45-build-30891-648/root/chroot_tmpdir/scmroot/python-gnupg
Cloning into '/var/lib/mock/f45-build-30891-648/root/chroot_tmpdir/scmroot/python-gnupg'...
$ git fetch origin 29e0009a106f5d36ac80287ed4abf8ea79e5fb44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gnupg
 * [new ref]         29e0009a106f5d36ac80287ed4abf8ea79e5fb44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29e0009 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild