$ git clone -n https://src.fedoraproject.org/rpms/rust-slog-scope.git /var/lib/mock/f40-build-2039718-48292/root/chroot_tmpdir/scmroot/rust-slog-scope
Cloning into '/var/lib/mock/f40-build-2039718-48292/root/chroot_tmpdir/scmroot/rust-slog-scope'...
$ git fetch origin aac1623ce166ea16707d2a0af0f88547df4ebbd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-slog-scope
 * [new ref]         aac1623ce166ea16707d2a0af0f88547df4ebbd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aac1623 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild