$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-engine.git /var/lib/mock/f40-build-2353823-60260/root/chroot_tmpdir/scmroot/rust-nu-engine
Cloning into '/var/lib/mock/f40-build-2353823-60260/root/chroot_tmpdir/scmroot/rust-nu-engine'...
$ git fetch origin a005ba505e0aad0800be8529adcd167c1d33eee5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-engine
 * [new ref]         a005ba505e0aad0800be8529adcd167c1d33eee5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a005ba5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild