$ git clone -n https://src.fedoraproject.org/rpms/kf6-kiconthemes.git /var/lib/mock/f42-build-868003-175876/root/chroot_tmpdir/scmroot/kf6-kiconthemes
Cloning into '/var/lib/mock/f42-build-868003-175876/root/chroot_tmpdir/scmroot/kf6-kiconthemes'...
$ git fetch origin 73e2edfcb9eec3db438d3999572954b38dbf5538:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kiconthemes
 * [new ref]         73e2edfcb9eec3db438d3999572954b38dbf5538 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73e2edf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild