$ git clone -n https://src.fedoraproject.org/rpms/aunit.git /var/lib/mock/f40-build-795326-140108/root/chroot_tmpdir/scmroot/aunit
Cloning into '/var/lib/mock/f40-build-795326-140108/root/chroot_tmpdir/scmroot/aunit'...
$ git fetch origin dc83bb0d1ac38804642a7272b67bb831555520c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aunit
 * [new ref]         dc83bb0d1ac38804642a7272b67bb831555520c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc83bb0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild