$ git clone -n http://git.inferitos.ru/rpms/rust-nix0.20.git /var/lib/mock/inferit-9-epel-build-31996-60706/root/chroot_tmpdir/scmroot/rust-nix0.20
Cloning into '/var/lib/mock/inferit-9-epel-build-31996-60706/root/chroot_tmpdir/scmroot/rust-nix0.20'...
$ git fetch origin cab8cc7:KOJI_FETCH_HEAD
fatal: couldn't find remote ref cab8cc7
$ git reset --hard cab8cc7
HEAD is now at cab8cc7 import rust-nix0.20-0.20.2-4.el9