$ git clone -n http://git.inferitos.ru/rpms/libspectre /var/lib/mock/inferit-8_8-build-21021-35131/root/chroot_tmpdir/scmroot/libspectre
Cloning into '/var/lib/mock/inferit-8_8-build-21021-35131/root/chroot_tmpdir/scmroot/libspectre'...
$ git fetch origin changed/i8c/libspectre-0.2.8-5.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libspectre
 * [new tag]         changed/i8c/libspectre-0.2.8-5.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16f8a49 edit changelog for import libspectre-0.2.8-5.el8