代码拉取完成，页面将自动刷新
降级前sp3版本：sgxsdk-2.11.100-9.oe1.x86_64
降级后sp2版本：sgxsdk-2.11.100-6.oe1.x86_64
环境：sp2环境
验证步骤：
1、只挂sp3源：
http://121.36.84.172/dailybuild/openEuler-20.03-LTS-SP3/test_openeuler-2021-11-25-06-31-07/everything/
安装sp3的包
2、回退：
开启sp2的源：
https://repo.openeuler.org/openEuler-20.03-LTS-SP2/everything/
https://repo.openeuler.org/openEuler-20.03-LTS-SP2/OS/
执行dnf downgrade降级
报错现象：
Cleanup : sgxsdk-2.11.100-9.oe1.x86_64 2158/2857
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/sgx_emmt.pyo: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/sgx_emmt.pyc: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/readelf.pyo: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/readelf.pyc: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/load_symbol_cmd.pyo: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/load_symbol_cmd.pyc: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/gdb_sgx_plugin.pyo: remove failed: No such file or directory
warning: file /opt/intel/sgxsdk/lib64/gdb-sgx-plugin/gdb_sgx_plugin.pyc: remove failed: No such file or directory
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该issues是由于sp2的降级规则不正确导致：
升级sgxsdk的sp3版本后，sp2的删除规则直接将/opt/intel/sgxsdk目录删除，导致/opt/intel/sgxsdk目录丢失，在回退到sp2版本时，sp3会删除/opt/intel/sgxsdk/lib64/gdb-sgx-plugin/目录下的文件，因为目录下的文件不存在，导致issue里面的告警
sp3版本已经重构了sgxsdk的rpm打包逻辑，通过同步修改问题得到解决。
!27:[sync] PR-25: rebuild sgxsdk install package
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