$ git clone -n https://gitee.com/wenyuzifang/perl-libwww-perl.git /var/lib/mock/dist-an23-build-449019-73423/root/chroot_tmpdir/scmroot/perl-libwww-perl
Cloning into '/var/lib/mock/dist-an23-build-449019-73423/root/chroot_tmpdir/scmroot/perl-libwww-perl'...
$ git fetch origin ae3835d364e7a698895fab124195b99aa6ac5038:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/perl-libwww-perl
 * [new ref]         ae3835d364e7a698895fab124195b99aa6ac5038 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae3835d Update code from upstream