$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_test.git /var/lib/mock/f40-build-781132-131424/root/chroot_tmpdir/scmroot/rust-uu_test
Cloning into '/var/lib/mock/f40-build-781132-131424/root/chroot_tmpdir/scmroot/rust-uu_test'...
$ git fetch origin 889bf0bf67aaa2afdce29f27b97c6f366719bfc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_test
 * [new ref]         889bf0bf67aaa2afdce29f27b97c6f366719bfc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 889bf0b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild