$ git clone -n https://gitee.com/opencloudos-stream/perl-Date-Holidays-DE.git /var/lib/mock/dist-oc9-epol-build-77025-52653/root/chroot_tmpdir/scmroot/perl-Date-Holidays-DE
Cloning into '/var/lib/mock/dist-oc9-epol-build-77025-52653/root/chroot_tmpdir/scmroot/perl-Date-Holidays-DE'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Date-Holidays-DE
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2c51d0 update