$ git clone -n http://git.inferitos.ru/rpms/thunderbird /var/lib/mock/inferit-8_10-updates-build-92998-175246/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/inferit-8_10-updates-build-92998-175246/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin changed/i8/thunderbird-128.8.0-2.el8_10.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/thunderbird
 * [new tag]         changed/i8/thunderbird-128.8.0-2.el8_10.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93864d1 import thunderbird-128.8.0-2.el8_10