$ git clone -n https://src.fedoraproject.org/rpms/qsynth.git /var/lib/mock/f45-build-34018-676/root/chroot_tmpdir/scmroot/qsynth
Cloning into '/var/lib/mock/f45-build-34018-676/root/chroot_tmpdir/scmroot/qsynth'...
$ git fetch origin 4ab2c1f32de68efdc6c729ec392571f3e8738853:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsynth
 * [new ref]         4ab2c1f32de68efdc6c729ec392571f3e8738853 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ab2c1f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild