$ git clone -n https://gitee.com/zhuzhustu/perl-UNIVERSAL-can.git /var/lib/mock/dist-an23-build-536189-82343/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-can
Cloning into '/var/lib/mock/dist-an23-build-536189-82343/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-can'...
$ git fetch origin 6e4b83dc4c4cd8dbe201e770be05662db9132199:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/perl-UNIVERSAL-can
 * [new ref]         6e4b83dc4c4cd8dbe201e770be05662db9132199 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e4b83d Merge upstream/a23: upgrade to version 1.20140328