$ git clone -n http://git.inferitos.ru/rpms/mock-core-configs /var/lib/mock/inferit-8_10-extras-build-105914-205562/root/chroot_tmpdir/scmroot/mock-core-configs
Cloning into '/var/lib/mock/inferit-8_10-extras-build-105914-205562/root/chroot_tmpdir/scmroot/mock-core-configs'...
$ git fetch origin changed/i8e/mock-core-configs-42.3-1.el8.inferit:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mock-core-configs
 * [new tag]         changed/i8e/mock-core-configs-42.3-1.el8.inferit -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91912e3 Fix typo