$ git clone -n https://gitee.com/wenyuzifang/jakarta-activation.git /var/lib/mock/dist-an23-build-485254-74348/root/chroot_tmpdir/scmroot/jakarta-activation
Cloning into '/var/lib/mock/dist-an23-build-485254-74348/root/chroot_tmpdir/scmroot/jakarta-activation'...
$ git fetch origin b9055f3ae90a37f394ab6f261c362c15629b0cb5:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/jakarta-activation
 * [new ref]         b9055f3ae90a37f394ab6f261c362c15629b0cb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9055f3 Update code from upstream