$ git clone -n http://git.inferitos.ru/rpms/postgresql-jdbc /var/lib/mock/inferit-8_8-build-23826-40083/root/chroot_tmpdir/scmroot/postgresql-jdbc
Cloning into '/var/lib/mock/inferit-8_8-build-23826-40083/root/chroot_tmpdir/scmroot/postgresql-jdbc'...
$ git fetch origin changed/i8c/postgresql-jdbc-42.2.14-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/postgresql-jdbc
 * [new tag]         changed/i8c/postgresql-jdbc-42.2.14-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38e1fa9 edit changelog for import postgresql-jdbc-42.2.14-2.el8