$ git clone -n http://gitee.com/src-anolis-os/libomp.git /var/lib/mock/dist-an8.8-build-290825-65028/root/chroot_tmpdir/scmroot/libomp
Cloning into '/var/lib/mock/dist-an8.8-build-290825-65028/root/chroot_tmpdir/scmroot/libomp'...
warning: redirecting to https://gitee.com/src-anolis-os/libomp.git/
$ git fetch origin a8:KOJI_FETCH_HEAD
warning: redirecting to https://gitee.com/src-anolis-os/libomp.git/
fatal: couldn't find remote ref a8
$ git reset --hard origin/a8
fatal: ambiguous argument 'origin/a8': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'