$ git clone -n https://src.fedoraproject.org/rpms/logrotate.git /var/lib/mock/f45-build-17514-501/root/chroot_tmpdir/scmroot/logrotate
Cloning into '/var/lib/mock/f45-build-17514-501/root/chroot_tmpdir/scmroot/logrotate'...
$ git fetch origin 9ddd9bd0e407a8a54ed01a8e67cddd4072de1243:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/logrotate
 * [new ref]         9ddd9bd0e407a8a54ed01a8e67cddd4072de1243 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ddd9bd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild