$ git clone -n http://git.inferitos.ru/rpms/thunderbird /var/lib/mock/inferit-8_8-build-el8_8-29178-49555/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/inferit-8_8-build-el8_8-29178-49555/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin changed/i8c/thunderbird-115.3.1-1.el8_8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/thunderbird
 * [new tag]         changed/i8c/thunderbird-115.3.1-1.el8_8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 458c51b import thunderbird-115.3.1-1.el8_8