$ git clone -n https://gitee.com/opencloudos-stream/perl-IO-String.git /var/lib/mock/dist-ocs23-base-build-273505-25836/root/chroot_tmpdir/scmroot/perl-IO-String
Cloning into '/var/lib/mock/dist-ocs23-base-build-273505-25836/root/chroot_tmpdir/scmroot/perl-IO-String'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-IO-String
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30103dd Rebuilt for loongarch release