$ git clone -n https://gitee.com/fundawang/perl-CPAN.git /var/lib/mock/dist-an23-build-291216-65044/root/chroot_tmpdir/scmroot/perl-CPAN
Cloning into '/var/lib/mock/dist-an23-build-291216-65044/root/chroot_tmpdir/scmroot/perl-CPAN'...
$ git fetch origin b918e28950cc26458e04675b04201b4b87cfd249:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/perl-CPAN
 * [new ref]         b918e28950cc26458e04675b04201b4b87cfd249 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b918e28 2.36