$ git clone -n http://git.inferitos.ru/rpms/dnf-plugins-core /var/lib/mock/inferit-8_8-build-el8_8-15680-23066/root/chroot_tmpdir/scmroot/dnf-plugins-core
Cloning into '/var/lib/mock/inferit-8_8-build-el8_8-15680-23066/root/chroot_tmpdir/scmroot/dnf-plugins-core'...
$ git fetch origin changed/i8c/dnf-plugins-core-4.0.21-19.el8_8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/dnf-plugins-core
 * [new tag]         changed/i8c/dnf-plugins-core-4.0.21-19.el8_8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abf0c13 edit changelog for import dnf-plugins-core-4.0.21-19.el8_8