$ git clone -n https://gitee.com/mgb01105731/jakarta-mail_1.git /var/lib/mock/dist-an23-build-276001-64337/root/chroot_tmpdir/scmroot/jakarta-mail_1
Cloning into '/var/lib/mock/dist-an23-build-276001-64337/root/chroot_tmpdir/scmroot/jakarta-mail_1'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/jakarta-mail_1
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a42bc28 init upstream from version 1.6.7