$ git clone -n https://src.fedoraproject.org/rpms/ghc-html.git /var/lib/mock/f40-build-776057-128585/root/chroot_tmpdir/scmroot/ghc-html
Cloning into '/var/lib/mock/f40-build-776057-128585/root/chroot_tmpdir/scmroot/ghc-html'...
$ git fetch origin d64a35b8946379d22bae4e11db4b11debe0620ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-html
 * [new ref]         d64a35b8946379d22bae4e11db4b11debe0620ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d64a35b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild