$ git clone -n https://gitee.com/ocs-bot/java-diff-utils.git /var/lib/mock/dist-ocs23-build-115703-7927/root/chroot_tmpdir/scmroot/java-diff-utils
Cloning into '/var/lib/mock/dist-ocs23-build-115703-7927/root/chroot_tmpdir/scmroot/java-diff-utils'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/java-diff-utils
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34135dc Upgrade to version 4.12