$ git clone -n https://src.fedoraproject.org/rpms/python-dotenv.git /var/lib/mock/f45-build-30460-644/root/chroot_tmpdir/scmroot/python-dotenv
Cloning into '/var/lib/mock/f45-build-30460-644/root/chroot_tmpdir/scmroot/python-dotenv'...
$ git fetch origin 27e7115642fdd7d04a1ad10ef7f898b74afa10a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dotenv
 * [new ref]         27e7115642fdd7d04a1ad10ef7f898b74afa10a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27e7115 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild