$ git clone -n https://src.fedoraproject.org/rpms/qalculate-qt.git /var/lib/mock/f40-build-2060290-49160/root/chroot_tmpdir/scmroot/qalculate-qt
Cloning into '/var/lib/mock/f40-build-2060290-49160/root/chroot_tmpdir/scmroot/qalculate-qt'...
$ git fetch origin ce15df04200ba37d209e12cbf65d2fcdd70144c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qalculate-qt
 * [new ref]         ce15df04200ba37d209e12cbf65d2fcdd70144c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce15df0 Fix deprecated top-level developer_name in AppData XML