$ git clone -n http://git.inferitos.ru/rpms/mailx /var/lib/mock/inferit-8_8-build-16521-23083/root/chroot_tmpdir/scmroot/mailx
Cloning into '/var/lib/mock/inferit-8_8-build-16521-23083/root/chroot_tmpdir/scmroot/mailx'...
$ git fetch origin changed/i8c/mailx-12.5-29.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mailx
 * [new tag]         changed/i8c/mailx-12.5-29.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39b3652 edit changelog for import mailx-12.5-29.el8