$ git clone -n https://src.fedoraproject.org/rpms/qcustomplot.git /var/lib/mock/f42-build-3306797-41426/root/chroot_tmpdir/scmroot/qcustomplot
Cloning into '/var/lib/mock/f42-build-3306797-41426/root/chroot_tmpdir/scmroot/qcustomplot'...
$ git fetch origin 8ac61031985492b541c93c05bbb1d4f85ddd156d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcustomplot
 * [new ref]         8ac61031985492b541c93c05bbb1d4f85ddd156d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ac6103 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild