$ git clone -n https://gitee.com/src-anolis-sig/tengine.git /var/lib/mock/dist-an8.9-build-348643-70426/root/chroot_tmpdir/scmroot/tengine
Cloning into '/var/lib/mock/dist-an8.9-build-348643-70426/root/chroot_tmpdir/scmroot/tengine'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-sig/tengine
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbdcd9f Build with shared external tongsuo