$ git clone -n https://gitee.com/opencloudos-stream/CharLS.git /var/lib/mock/dist-oc9-epol-build-68226-46975/root/chroot_tmpdir/scmroot/CharLS
Cloning into '/var/lib/mock/dist-oc9-epol-build-68226-46975/root/chroot_tmpdir/scmroot/CharLS'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/CharLS
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b66fb72 !1 【自动升级】CharLS 2.4.2 Merge pull request !1 from ocs-bot/master