$ git clone -n https://src.fedoraproject.org/rpms/libzeitgeist.git /var/lib/mock/f40-build-786041-134149/root/chroot_tmpdir/scmroot/libzeitgeist
Cloning into '/var/lib/mock/f40-build-786041-134149/root/chroot_tmpdir/scmroot/libzeitgeist'...
$ git fetch origin b817c9d95f159c99b907ae23f03483558954e0af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzeitgeist
 * [new ref]         b817c9d95f159c99b907ae23f03483558954e0af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b817c9d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild