$ git clone -n https://gitee.com/src-anolis-os/cairomm.git /var/lib/mock/dist-an23-loongarch-build-307175-66339/root/chroot_tmpdir/scmroot/cairomm
Cloning into '/var/lib/mock/dist-an23-loongarch-build-307175-66339/root/chroot_tmpdir/scmroot/cairomm'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/cairomm
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6885d2c Init package from upstream