$ git clone -n https://gitee.com/ocs-upgrade/perl-JSON-PP.git /var/lib/mock/dist-ocs23-build-212614-15360/root/chroot_tmpdir/scmroot/perl-JSON-PP
Cloning into '/var/lib/mock/dist-ocs23-build-212614-15360/root/chroot_tmpdir/scmroot/perl-JSON-PP'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/perl-JSON-PP
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b88fed2 Upgrade to version 4.17_01