$ git clone -n http://git.inferitos.ru/rpms/postgresql-jdbc /var/lib/mock/inferit-8_9-updates-build-35521-72613/root/chroot_tmpdir/scmroot/postgresql-jdbc
Cloning into '/var/lib/mock/inferit-8_9-updates-build-35521-72613/root/chroot_tmpdir/scmroot/postgresql-jdbc'...
$ git fetch origin changed/i8c/postgresql-jdbc-42.2.14-3.el8_9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/postgresql-jdbc
 * [new tag]         changed/i8c/postgresql-jdbc-42.2.14-3.el8_9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0849b9c import postgresql-jdbc-42.2.14-3.el8_9