$ git clone -n http://git.inferitos.ru/rpms/firefox /var/lib/mock/inferit-9_2-updates-build-19873-31572/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/inferit-9_2-updates-build-19873-31572/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin changed/i9c/firefox-102.15.1-1.el9_2.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/firefox
 * [new tag]         changed/i9c/firefox-102.15.1-1.el9_2.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 737db42 import firefox-102.15.1-1.el9_2