$ git clone -n https://src.fedoraproject.org/rpms/kmplot.git /var/lib/mock/f40-build-2433361-60699/root/chroot_tmpdir/scmroot/kmplot
Cloning into '/var/lib/mock/f40-build-2433361-60699/root/chroot_tmpdir/scmroot/kmplot'...
$ git fetch origin c0712c66cf5b68a4847b85deaca7f7954525b215:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmplot
 * [new ref]         c0712c66cf5b68a4847b85deaca7f7954525b215 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0712c6 Rebuild (qt6)