$ git clone -n https://gitee.com/mgb01105731/mailcap.git /var/lib/mock/dist-an23.2-build-422142-72903/root/chroot_tmpdir/scmroot/mailcap
Cloning into '/var/lib/mock/dist-an23.2-build-422142-72903/root/chroot_tmpdir/scmroot/mailcap'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/mailcap
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7d74c9 Update to 2.1.54 from 2.1.53