$ git clone -n https://gitee.com/wenyuzifang/jakarta-mail.git /var/lib/mock/dist-an23-build-471625-74118/root/chroot_tmpdir/scmroot/jakarta-mail
Cloning into '/var/lib/mock/dist-an23-build-471625-74118/root/chroot_tmpdir/scmroot/jakarta-mail'...
$ git fetch origin 750ea9ef198013936e02da47c1336cbf9c1bd542:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/jakarta-mail
 * [new ref]         750ea9ef198013936e02da47c1336cbf9c1bd542 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 750ea9e Update code from upstream