$ git clone -n https://gitee.com/opencloudos-stream/perl-Crypt-CBC.git /var/lib/mock/dist-oc9-epol-build-166532-79773/root/chroot_tmpdir/scmroot/perl-Crypt-CBC
Cloning into '/var/lib/mock/dist-oc9-epol-build-166532-79773/root/chroot_tmpdir/scmroot/perl-Crypt-CBC'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Crypt-CBC
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81368a0 !2 Rebuild for perl-CryptX Merge pull request !2 from Fanjun Kong/master