$ git clone -n http://git.inferitos.ru/rpms/s-nail /var/lib/mock/inferit-8_9-extras-build-34678-68903/root/chroot_tmpdir/scmroot/s-nail
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34678-68903/root/chroot_tmpdir/scmroot/s-nail'...
$ git fetch origin changed/i8e/s-nail-14.9.23-1.el8.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/s-nail
 * [new tag]         changed/i8e/s-nail-14.9.23-1.el8.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5704cb Backported upstream patch that makes teststuite use SHA-256