$ git clone -n https://src.fedoraproject.org/rpms/ghc-js-chart.git /var/lib/mock/f40-build-776062-128585/root/chroot_tmpdir/scmroot/ghc-js-chart
Cloning into '/var/lib/mock/f40-build-776062-128585/root/chroot_tmpdir/scmroot/ghc-js-chart'...
$ git fetch origin a6d34e9ae28236fa8d90da15bb14377a88ee496b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-js-chart
 * [new ref]         a6d34e9ae28236fa8d90da15bb14377a88ee496b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6d34e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild