$ git clone -n https://gitee.com/ocs-upgrade/jakarta-servlet.git /var/lib/mock/dist-ocs23-build-284428-27521/root/chroot_tmpdir/scmroot/jakarta-servlet
Cloning into '/var/lib/mock/dist-ocs23-build-284428-27521/root/chroot_tmpdir/scmroot/jakarta-servlet'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/jakarta-servlet
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cfdf0e Upgrade to version 6.1.0