$ git clone -n https://gitee.com/opencloudos-stream/perl-Test-Taint.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-226588-16920/root/chroot_tmpdir/scmroot/perl-Test-Taint
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-226588-16920/root/chroot_tmpdir/scmroot/perl-Test-Taint'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Test-Taint
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d65ab58 update