$ git clone -n https://src.fedoraproject.org/rpms/thttpd.git /var/lib/mock/f40-build-2330940-59038/root/chroot_tmpdir/scmroot/thttpd
Cloning into '/var/lib/mock/f40-build-2330940-59038/root/chroot_tmpdir/scmroot/thttpd'...
$ git fetch origin d530bf8f07a5ddf86f21b8a98b1d2b78c6dc626a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thttpd
 * [new ref]         d530bf8f07a5ddf86f21b8a98b1d2b78c6dc626a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d530bf8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild