$ git clone -n https://gitee.com/wenyuzifang/iso-codes.git /var/lib/mock/dist-an23-build-450247-73456/root/chroot_tmpdir/scmroot/iso-codes
Cloning into '/var/lib/mock/dist-an23-build-450247-73456/root/chroot_tmpdir/scmroot/iso-codes'...
$ git fetch origin 4c1ebfdfbbe4bbbe76fb0e6e3b786d06739cc2ed:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/iso-codes
 * [new ref]         4c1ebfdfbbe4bbbe76fb0e6e3b786d06739cc2ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c1ebfd Update code from upstream