$ git clone -n http://git.inferitos.ru/rpms/rust-darling0.12.git /var/lib/mock/inferit-9-epel-build-31333-60706/root/chroot_tmpdir/scmroot/rust-darling0.12
Cloning into '/var/lib/mock/inferit-9-epel-build-31333-60706/root/chroot_tmpdir/scmroot/rust-darling0.12'...
$ git fetch origin e520a48:KOJI_FETCH_HEAD
fatal: couldn't find remote ref e520a48
$ git reset --hard e520a48
HEAD is now at e520a48 import rust-darling0.12-0.12.4-3.el9