$ git clone -n https://gitee.com/opencloudos-stream/pnm2ppa.git /var/lib/mock/dist-ocs23-base-build-255676-24615/root/chroot_tmpdir/scmroot/pnm2ppa
Cloning into '/var/lib/mock/dist-ocs23-base-build-255676-24615/root/chroot_tmpdir/scmroot/pnm2ppa'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/pnm2ppa
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f466fd9 Rebuilt for loongarch release