$ git clone -n https://src.fedoraproject.org/rpms/pixiewps.git /var/lib/mock/f45-build-28537-631/root/chroot_tmpdir/scmroot/pixiewps
Cloning into '/var/lib/mock/f45-build-28537-631/root/chroot_tmpdir/scmroot/pixiewps'...
$ git fetch origin f70280b77aa766f6b5b41e25291aa41f0a3736bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pixiewps
 * [new ref]         f70280b77aa766f6b5b41e25291aa41f0a3736bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f70280b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild