$ git clone -n https://src.fedoraproject.org/rpms/tachyon.git /var/lib/mock/f40-build-2408596-60559/root/chroot_tmpdir/scmroot/tachyon
Cloning into '/var/lib/mock/f40-build-2408596-60559/root/chroot_tmpdir/scmroot/tachyon'...
$ git fetch origin 650379070987c48589fd535cfe385ea32dcf5423:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tachyon
 * [new ref]         650379070987c48589fd535cfe385ea32dcf5423 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6503790 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild