$ git clone -n https://src.fedoraproject.org/rpms/kolourpaint.git /var/lib/mock/f42-build-863626-171716/root/chroot_tmpdir/scmroot/kolourpaint
Cloning into '/var/lib/mock/f42-build-863626-171716/root/chroot_tmpdir/scmroot/kolourpaint'...
$ git fetch origin a5b8be475e492dc0000cfec81fc547e126af990e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolourpaint
 * [new ref]         a5b8be475e492dc0000cfec81fc547e126af990e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5b8be4 24.12.0