$ git clone -n https://src.fedoraproject.org/rpms/xdelta.git /var/lib/mock/f40-build-2333042-59196/root/chroot_tmpdir/scmroot/xdelta
Cloning into '/var/lib/mock/f40-build-2333042-59196/root/chroot_tmpdir/scmroot/xdelta'...
$ git fetch origin 4ba9964bf66fa658f108b0b380e62fe6a1736f00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdelta
 * [new ref]         4ba9964bf66fa658f108b0b380e62fe6a1736f00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ba9964 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild