$ git clone -n http://git.inferitos.ru/rpms/rust-y4m.git /var/lib/mock/inferit-9-epel-build-32941-60897/root/chroot_tmpdir/scmroot/rust-y4m
Cloning into '/var/lib/mock/inferit-9-epel-build-32941-60897/root/chroot_tmpdir/scmroot/rust-y4m'...
$ git fetch origin ec8de99:KOJI_FETCH_HEAD
fatal: couldn't find remote ref ec8de99
$ git reset --hard ec8de99
HEAD is now at ec8de99 import rust-y4m-0.8.0-1.el9