$ git clone -n https://src.fedoraproject.org/rpms/rust-nix0.14.git /var/lib/mock/f40-build-2360774-60343/root/chroot_tmpdir/scmroot/rust-nix0.14
Cloning into '/var/lib/mock/f40-build-2360774-60343/root/chroot_tmpdir/scmroot/rust-nix0.14'...
$ git fetch origin 96aa94495545acc19112a91500d4949a90fb9e21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nix0.14
 * [new ref]         96aa94495545acc19112a91500d4949a90fb9e21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96aa944 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild