$ git clone -n https://gitee.com/opencloudos-stream/gdb.git /var/lib/mock/dist-rebuild-after-rpm-check-build-119417-8487/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-119417-8487/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 f483ef7 !5 Disable guile Merge pull request !5 from rockerzhu/master