$ git clone -n https://gitee.com/src-opencloudos-rpms/gdb.git /var/lib/mock/dist-oc9-build-250679-84030/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-oc9-build-250679-84030/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin 5de0e1b2713fe0795a94ee8b5d85a2faae2fd3c6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gdb
 * [new ref]         5de0e1b2713fe0795a94ee8b5d85a2faae2fd3c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5de0e1b import gdb-13.2-11.tl4