$ git clone -n https://src.fedoraproject.org/rpms/R-gapminder.git /var/lib/mock/f42-build-3264644-41245/root/chroot_tmpdir/scmroot/R-gapminder
Cloning into '/var/lib/mock/f42-build-3264644-41245/root/chroot_tmpdir/scmroot/R-gapminder'...
$ git fetch origin 1a9e33cb20e8ff9222d2156a37530afac1e70da3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-gapminder
 * [new ref]         1a9e33cb20e8ff9222d2156a37530afac1e70da3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a9e33c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild