$ git clone -n http://git.inferitos.ru/rpms/firefox /var/lib/mock/inferit-10_0-extras-build-100055-185196/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/inferit-10_0-extras-build-100055-185196/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin changed/i9/firefox-128.9.0-2.el9_5.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/firefox
 * [new tag]         changed/i9/firefox-128.9.0-2.el9_5.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2153e87 import firefox-128.9.0-2.el9_5