$ git clone -n https://gitee.com/wenyuzifang/jakarta-activation.git /var/lib/mock/dist-an23-build-480605-74252/root/chroot_tmpdir/scmroot/jakarta-activation
Cloning into '/var/lib/mock/dist-an23-build-480605-74252/root/chroot_tmpdir/scmroot/jakarta-activation'...
$ git fetch origin a3799ef69389c05db585bfb20c10e9ffa44c2bce:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/jakarta-activation
 * [new ref]         a3799ef69389c05db585bfb20c10e9ffa44c2bce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3799ef Update code from upstream