$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtsvg.git /var/lib/mock/f45-build-34079-677/root/chroot_tmpdir/scmroot/qt5-qtsvg
Cloning into '/var/lib/mock/f45-build-34079-677/root/chroot_tmpdir/scmroot/qt5-qtsvg'...
$ git fetch origin 28d81c91dc379262623348bca7496adeb1c4dd2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtsvg
 * [new ref]         28d81c91dc379262623348bca7496adeb1c4dd2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28d81c9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild