$ git clone -n https://gitee.com/mgb01105731/utf8proc.git /var/lib/mock/dist-an23-build-336678-69693/root/chroot_tmpdir/scmroot/utf8proc
Cloning into '/var/lib/mock/dist-an23-build-336678-69693/root/chroot_tmpdir/scmroot/utf8proc'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/utf8proc
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f54089 rebuild