$ git clone -n https://src.fedoraproject.org/rpms/httpcomponents-project.git /var/lib/mock/f40-build-2274663-55023/root/chroot_tmpdir/scmroot/httpcomponents-project
Cloning into '/var/lib/mock/f40-build-2274663-55023/root/chroot_tmpdir/scmroot/httpcomponents-project'...
$ git fetch origin d644b6d74ee9c45799a46503aa4d0b8b1fde6e93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httpcomponents-project
 * [new ref]         d644b6d74ee9c45799a46503aa4d0b8b1fde6e93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d644b6d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild