$ git clone -n https://src.fedoraproject.org/rpms/python-guessit.git /var/lib/mock/f45-build-30897-648/root/chroot_tmpdir/scmroot/python-guessit
Cloning into '/var/lib/mock/f45-build-30897-648/root/chroot_tmpdir/scmroot/python-guessit'...
$ git fetch origin 59b313806b2e5d065bc98e0ea45ad5895f5b29f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-guessit
 * [new ref]         59b313806b2e5d065bc98e0ea45ad5895f5b29f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59b3138 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild