$ git clone -n http://git.inferitos.ru/rpms/firefox /var/lib/mock/inferit-9_4-updates-build-48393-91695/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/inferit-9_4-updates-build-48393-91695/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin changed/i9/firefox-115.11.0-1.el9_4.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/firefox
 * [new tag]         changed/i9/firefox-115.11.0-1.el9_4.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec584b9 import firefox-115.11.0-1.el9_4