$ git clone -n https://gitee.com/kanghou-silver/gdb.git /var/lib/mock/dist-an23.3-build-415520-72844/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-an23.3-build-415520-72844/root/chroot_tmpdir/scmroot/gdb'...
$ git fetch origin e45c4fcf1d3b591e1c7d097516ae68a766b3d9d0:KOJI_FETCH_HEAD
From https://gitee.com/kanghou-silver/gdb
 * [new ref]         e45c4fcf1d3b591e1c7d097516ae68a766b3d9d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e45c4fc Add support for SW64