$ git clone -n https://src.fedoraproject.org/rpms/rust-assert_fs.git /var/lib/mock/f40-build-2122378-50742/root/chroot_tmpdir/scmroot/rust-assert_fs
Cloning into '/var/lib/mock/f40-build-2122378-50742/root/chroot_tmpdir/scmroot/rust-assert_fs'...
$ git fetch origin ff9d3f85ad300ededce0b57cc26f3ee0239f04a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-assert_fs
 * [new ref]         ff9d3f85ad300ededce0b57cc26f3ee0239f04a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff9d3f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild