$ git clone -n http://git.inferitos.ru/rpms/rust-base64ct.git /var/lib/mock/inferit-9-epel-build-31072-60706/root/chroot_tmpdir/scmroot/rust-base64ct
Cloning into '/var/lib/mock/inferit-9-epel-build-31072-60706/root/chroot_tmpdir/scmroot/rust-base64ct'...
$ git fetch origin 809f3a1:KOJI_FETCH_HEAD
fatal: couldn't find remote ref 809f3a1
$ git reset --hard 809f3a1
HEAD is now at 809f3a1 import rust-base64ct-1.6.0-1.el9