$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-test-support.git /var/lib/mock/f39-build-1563410-37479/root/chroot_tmpdir/scmroot/rust-nu-test-support
Cloning into '/var/lib/mock/f39-build-1563410-37479/root/chroot_tmpdir/scmroot/rust-nu-test-support'...
$ git fetch origin 9a6544f44c4eaef7395592c85b4bb1a43567f53a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-test-support
 * [new ref]         9a6544f44c4eaef7395592c85b4bb1a43567f53a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a6544f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild