$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdeclarative.git /var/lib/mock/f45-build-14814-464/root/chroot_tmpdir/scmroot/kf5-kdeclarative
Cloning into '/var/lib/mock/f45-build-14814-464/root/chroot_tmpdir/scmroot/kf5-kdeclarative'...
$ git fetch origin bcb9ede1ad24d1de908966a3317db22c7881c7e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdeclarative
 * [new ref]         bcb9ede1ad24d1de908966a3317db22c7881c7e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcb9ede Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild