$ git clone -n https://src.fedoraproject.org/rpms/kf5-kpeople.git /var/lib/mock/f45-build-14894-465/root/chroot_tmpdir/scmroot/kf5-kpeople
Cloning into '/var/lib/mock/f45-build-14894-465/root/chroot_tmpdir/scmroot/kf5-kpeople'...
$ git fetch origin e54d4d2af99f2da0fe1ac2613047a19f2b40ec2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kpeople
 * [new ref]         e54d4d2af99f2da0fe1ac2613047a19f2b40ec2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e54d4d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild