$ git clone -n https://src.fedoraproject.org/rpms/rust-serial_test0.5.git /var/lib/mock/f40-build-2327438-58853/root/chroot_tmpdir/scmroot/rust-serial_test0.5
Cloning into '/var/lib/mock/f40-build-2327438-58853/root/chroot_tmpdir/scmroot/rust-serial_test0.5'...
$ git fetch origin f5c07b8d8f761b148a546a4be0da291da1b1c3f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serial_test0.5
 * [new ref]         f5c07b8d8f761b148a546a4be0da291da1b1c3f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5c07b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild