$ git clone -n https://gitee.com/samchugit/python-altair.git /var/lib/mock/dist-an23-epao-build-374107-71594/root/chroot_tmpdir/scmroot/python-altair
Cloning into '/var/lib/mock/dist-an23-epao-build-374107-71594/root/chroot_tmpdir/scmroot/python-altair'...
$ git fetch origin f8cb7ae2c08e5dc447c2571e6a5e9ac8cb69fb0b:KOJI_FETCH_HEAD
From https://gitee.com/samchugit/python-altair
 * [new ref]         f8cb7ae2c08e5dc447c2571e6a5e9ac8cb69fb0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8cb7ae init package from upstream