$ git clone -n https://src.fedoraproject.org/rpms/64tass.git /var/lib/mock/f40-build-2282123-55526/root/chroot_tmpdir/scmroot/64tass
Cloning into '/var/lib/mock/f40-build-2282123-55526/root/chroot_tmpdir/scmroot/64tass'...
$ git fetch origin f8da58f565e57308f8109abf21d69f02861a5ff9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/64tass
 * [new ref]         f8da58f565e57308f8109abf21d69f02861a5ff9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8da58f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild