$ git clone -n https://src.fedoraproject.org/rpms/rust-dirs3.git /var/lib/mock/f40-build-2712118-71947/root/chroot_tmpdir/scmroot/rust-dirs3
Cloning into '/var/lib/mock/f40-build-2712118-71947/root/chroot_tmpdir/scmroot/rust-dirs3'...
$ git fetch origin 46f3e2c211418be5cf1ccfff241f3b5b8d6c8599:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dirs3
 * [new ref]         46f3e2c211418be5cf1ccfff241f3b5b8d6c8599 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46f3e2c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild