$ git clone -n https://src.fedoraproject.org/rpms/gip.git /var/lib/mock/f45-build-11066-426/root/chroot_tmpdir/scmroot/gip
Cloning into '/var/lib/mock/f45-build-11066-426/root/chroot_tmpdir/scmroot/gip'...
$ git fetch origin d4ea19d7c07d78f42e2ee853bd752f6230522daa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gip
 * [new ref]         d4ea19d7c07d78f42e2ee853bd752f6230522daa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4ea19d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild