$ git clone -n https://gitee.com/opencloudos-stream/perl-Cairo-GObject.git /var/lib/mock/dist-ocs23-epol9-build-183650-12504/root/chroot_tmpdir/scmroot/perl-Cairo-GObject
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-183650-12504/root/chroot_tmpdir/scmroot/perl-Cairo-GObject'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Cairo-GObject
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4d9bc5 update