$ git clone -n http://git.inferitos.ru/rpms/firefox /var/lib/mock/inferit-8_8-build-el8_7-18169-23843/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/inferit-8_8-build-el8_7-18169-23843/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin changed/i8/firefox-102.9.0-3.el8_7.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/firefox
 * [new tag]         changed/i8/firefox-102.9.0-3.el8_7.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5f1359 De-branded for MSVSphere 8.8