$ git clone -n https://gitee.com/opencloudos-stream/perl-Image-Sane.git /var/lib/mock/dist-ocs23-rebuild-test-1-build-228650-17559/root/chroot_tmpdir/scmroot/perl-Image-Sane
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-1-build-228650-17559/root/chroot_tmpdir/scmroot/perl-Image-Sane'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Image-Sane
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9c2b84 update