$ git clone -n http://git.inferitos.ru/rpms/perl-CPAN /var/lib/mock/inferit-8_8-build-26142-44582/root/chroot_tmpdir/scmroot/perl-CPAN
Cloning into '/var/lib/mock/inferit-8_8-build-26142-44582/root/chroot_tmpdir/scmroot/perl-CPAN'...
$ git fetch origin changed/i8c/perl-CPAN-2.18-397.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/perl-CPAN
 * [new tag]         changed/i8c/perl-CPAN-2.18-397.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc95afb edit changelog for import perl-CPAN-2.18-397.el8