$ git clone -n https://gitee.com/ocs-upgrade/python-google-api-core.git /var/lib/mock/dist-ocs23-build-211670-15327/root/chroot_tmpdir/scmroot/python-google-api-core
Cloning into '/var/lib/mock/dist-ocs23-build-211670-15327/root/chroot_tmpdir/scmroot/python-google-api-core'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/python-google-api-core
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2100a0d Upgrade to version 2.19.1