$ git clone -n https://gitee.com/src-opencloudos-rpms/gdb.git /var/lib/mock/dist-oc9-build-230554-81483/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-oc9-build-230554-81483/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin e69cba1beefad485cf98bad957bca62fd28bf99e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdb
 * [new ref]         e69cba1beefad485cf98bad957bca62fd28bf99e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e69cba1 import gdb-13.2-10.tl4