$ git clone -n https://src.fedoraproject.org/rpms/mingw-libtheora.git /var/lib/mock/f45-build-18582-523/root/chroot_tmpdir/scmroot/mingw-libtheora
Cloning into '/var/lib/mock/f45-build-18582-523/root/chroot_tmpdir/scmroot/mingw-libtheora'...
$ git fetch origin 1db149727c9852d11770fd71dfb64ac81ea49e3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libtheora
 * [new ref]         1db149727c9852d11770fd71dfb64ac81ea49e3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1db1497 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild