$ git clone -n http://git.inferitos.ru/rpms/rust-rand_core.git /var/lib/mock/inferit-9-epel-build-24945-42951/root/chroot_tmpdir/scmroot/rust-rand_core
Cloning into '/var/lib/mock/inferit-9-epel-build-24945-42951/root/chroot_tmpdir/scmroot/rust-rand_core'...
$ git fetch origin b5ac07a:KOJI_FETCH_HEAD
fatal: couldn't find remote ref b5ac07a
$ git reset --hard b5ac07a
HEAD is now at b5ac07a import rust-rand_core-0.6.4-2.el9