$ git clone -n https://src.fedoraproject.org/rpms/darkhttpd.git /var/lib/mock/f40-build-800593-143605/root/chroot_tmpdir/scmroot/darkhttpd
Cloning into '/var/lib/mock/f40-build-800593-143605/root/chroot_tmpdir/scmroot/darkhttpd'...
$ git fetch origin 74a217fafeef8fae132935f1928be1e78500d8ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/darkhttpd
 * [new ref]         74a217fafeef8fae132935f1928be1e78500d8ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74a217f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild