$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_date.git /var/lib/mock/f40-build-779972-130573/root/chroot_tmpdir/scmroot/rust-uu_date
Cloning into '/var/lib/mock/f40-build-779972-130573/root/chroot_tmpdir/scmroot/rust-uu_date'...
$ git fetch origin b8258986ab666ab19349d1a89af8441e594852d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_date
 * [new ref]         b8258986ab666ab19349d1a89af8441e594852d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b825898 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild