$ git clone -n http://git.inferitos.ru/rpms/firefox /var/lib/mock/inferit-9_1-updates-build-7721-13581/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/inferit-9_1-updates-build-7721-13581/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin changed/i9/firefox-102.9.0-3.el9_1.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/firefox
 * [new tag]         changed/i9/firefox-102.9.0-3.el9_1.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18cbe19 Merge tag 'changed/i9c/firefox-102.9.0-3.el9_1' into HEAD