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Adin ScannellandgVisor bot dedef233cd Refactor nogo and provide facts render.
This change makes the core nogo package less of a "catch all", and splits
functionality into multiple packages. Instead of separate binaries for each
function, a single "cli" package is added with subcommands, and the core
starlark wrappers are also refactored to minimize redundancy.

The new "cli" package also adds support for a "render" command, which
allows factors to be rendered via a Go text template. This is useful for
debugging, but also allows code generation to be updated to use this
mechanism. This eliminates the use of a QEMU wrapper for the older
arch_genrule, and allows the use of a native bazel transition to extract
facts for the appropriate generated file. In other words, the correct facts
will be rendered for generating XXX_arm64.s, even on amd64.

PiperOrigin-RevId: 422846459
2022-01-19 10:26:27 -08:00

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Go

// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Binary nogo performs static analysis.
package main
import (
"gvisor.dev/gvisor/tools/nogo/cli"
)
func main() {
cli.Main()
}