$ git clone -n https://gitee.com/mgb01105731/man-pages.git /var/lib/mock/dist-an23.5-build-578150-94413/root/chroot_tmpdir/scmroot/man-pages
Cloning into '/var/lib/mock/dist-an23.5-build-578150-94413/root/chroot_tmpdir/scmroot/man-pages'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/man-pages
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9db383b Init upstream from 6.06