$ git clone -n https://gitee.com/opencloudos-stream/gdb.git /home/lib/mock/dist-ocs23-loongarch64-build-185158-12762/root/chroot_tmpdir/scmroot/gdb
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-185158-12762/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gdb
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80cf38b !6 fix build error for loongarch64 Merge pull request !6 from zhangwenlong01/master