$ git clone -n https://gitee.com/wenyuzifang/taglib.git /var/lib/mock/dist-an23-build-481725-74252/root/chroot_tmpdir/scmroot/taglib
Cloning into '/var/lib/mock/dist-an23-build-481725-74252/root/chroot_tmpdir/scmroot/taglib'...
$ git fetch origin 9bf4af24d96dbea370dd53bcdda605520ea2df42:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/taglib
 * [new ref]         9bf4af24d96dbea370dd53bcdda605520ea2df42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bf4af2 Update code from upstream