$ git clone -n https://gitee.com/src-anolis-os/mpich.git /var/lib/mock/dist-an23.3-build-426728-72998/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/dist-an23.3-build-426728-72998/root/chroot_tmpdir/scmroot/mpich'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/mpich
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a9f2ad [bugfix] ignored the test results on loongarch64